Abrégé

The present invention provides a method for separating naphthalene and thianaphthene from a mixture of naphthalene and thianaphthene. According to the method, a thianaphthene product can be obtained from a mixture of naphthalene and thianaphthene, and refined naphthalene can also be co-produced. In addition, the obtained thianaphthene product and the refined naphthalene product have good yield and purity. The method comprises the following steps: (1) mixing a mixture of naphthalene and thianaphthene with a solvent, crystallizing the obtained mixed solution, and carrying out solid-liquid separation on the obtained crystallized solution to obtain an impurity-removed mixture of naphthalene and thianaphthene; (2) heating the impurity-removed mixture of naphthalene and thianaphthene to melt same, and then removing the solvent entrained in the mixture to obtain a solvent-removed mixture of naphthalene and thianaphthene; (3) using ethylene glycol as an entrainer to carry out azeotropic distillation on the solvent-removed mixture of naphthalene and thianaphthene to implement separation to obtain a thianaphthene material and a mixed material of naphthalene and the entrainer; and (4) using water to carry out mixing and washing on the mixed material of naphthalene and the entrainer, and then carrying out phase separation to obtain a light-phase component rich in naphthalene.

Classes IPC  ?

• C07D 333/54 - Benzo [b] thiophènesBenzo [b] thiophènes hydrogénés avec uniquement des atomes d'hydrogène, des radicaux hydrocarbonés ou des radicaux hydrocarbonés substitués, liés directement aux atomes de carbone de l'hétérocycle
• C07C 7/14 - Purification, séparation ou stabilisation d'hydrocarburesEmploi d'additifs par cristallisationPurification ou séparation des cristaux
• C07C 15/24 - Hydrocarbures polycycliques condensés contenant deux cycles

Abrégé

22, wherein the surface of the Fischer-Tropsch synthesis iron-based catalyst contains 0.3-3% by mole of a Ba element. The present invention further provides a preparation method for the Fischer-Tropsch synthesis iron-based catalyst. The Fischer-Tropsch synthesis iron-based catalyst provided by the present invention is simple and convenient to prepare, has excellent catalytic performance and good heat resistance, and is not prone to inactivation after being used for a long time, so that the use of said catalyst can significantly improve the production efficiency of a Fischer-Tropsch synthesis process, reduce production costs, and has very important economic and social value.

Classes IPC  ?

• B01J 23/78 - Catalyseurs contenant des métaux, oxydes ou hydroxydes métalliques non prévus dans le groupe du cuivre ou des métaux du groupe du fer en combinaison avec des métaux, oxydes ou hydroxydes prévus dans les groupes avec des métaux alcalins ou alcalino-terreux ou du béryllium

Abrégé

An ash removal method for coal-based asphalt, and refined asphalt prepared thereby. The ash removal method comprises: i, adding coal-based asphalt to a first solvent for dissolution to obtain an extraction liquid; ii, separating the extraction liquid to obtain a first heavy phase and a first light liquid phase; iii, mixing the first light liquid phase with a second solvent, and then subjecting the mixture to a flocculation reaction to obtain a suspension; and then separating the suspension to obtain a second heavy phase and a second light phase; and iv, recovering the solvent from the second heavy phase to obtain binder asphalt with relatively low content of ash and quinoline insoluble substances, and respectively recovering the second solvent and the first solvent from the second light phase to obtain refined asphalt with low content of ash and quinoline insoluble substances. The ash removal method can achieve deep ash removal under mild conditions, thereby improving an ash removal effect, and improving the yield of the refined asphalt.

Classes IPC  ?

• C10C 3/08 - Traitement du brai, de l'asphalte, du bitume par extraction sélective

Abrégé

2222 is from 100:20 to 100:40, the ratio of the element Ba to the element B is from 4:1 to 6:1. The present invention further provides a preparation method for the Fischer-Tropsch synthesis iron-based catalyst. The Fischer-Tropsch synthesis iron-based catalyst provided by the present invention is doped with the element Ba and the element B which have specific contents; by means of the cooperation of the element Ba and the element B, the catalyst has excellent catalytic activity and thermal stability; the application of the catalyst can significantly improve the production efficiency of the Fischer-Tropsch synthesis process, and reduce the production costs, and therefore, the Fischer-Tropsch synthesis iron-based catalyst has very important economic and social values.

Classes IPC  ?

• B01J 23/78 - Catalyseurs contenant des métaux, oxydes ou hydroxydes métalliques non prévus dans le groupe du cuivre ou des métaux du groupe du fer en combinaison avec des métaux, oxydes ou hydroxydes prévus dans les groupes avec des métaux alcalins ou alcalino-terreux ou du béryllium
• B01J 23/75 - Cobalt
• B01J 23/83 - Catalyseurs contenant des métaux, oxydes ou hydroxydes métalliques non prévus dans le groupe du cuivre ou des métaux du groupe du fer en combinaison avec des métaux, oxydes ou hydroxydes prévus dans les groupes avec des terres rares ou des actinides
• C10G 2/00 - Production de mélanges liquides d'hydrocarbures de composition non définie à partir d'oxydes de carbone

Produits et services

scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software.

Produits et services

scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software.

Produits et services

scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software.

Abrégé

The present invention provides a membrane electrode for alkaline water electrolysis for hydrogen production and a preparation method therefor, and an electrolytic cell. According to the preparation method provided by the present invention, a membrane electrode having catalyst layers uniformly and firmly attached to the surfaces of a membrane can be obtained in a direct coating and hot-pressing mode, the membrane electrode can be endowed with good stability, and the obtained membrane electrode has a remarkably reduced water electrolysis overpotential. The preparation method comprises the following steps: directly applying a catalyst slurry on the surfaces of two sides of a membrane, and drying and hot-pressing the catalyst slurry to respectively form catalyst layers on the surfaces of the two sides of the membrane to obtain the membrane electrode. The membrane is selected from a porous membrane or an alkaline anion exchange membrane; the catalyst slurry comprises a binder solution and a catalyst, wherein the binder solution is one or more of a perfluorosulfonic acid resin solution and a perfluorosulfonic acid ionomer dispersion, and the mass concentration of the binder solution is 5-30%; and the mass ratio of the binder solution to the catalyst is 1:1 to 4:1.

Classes IPC  ?

• C25B 11/031 - Électrodes poreuses
• C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes comprenant des membranes échangeuses d'ions dans ou sur lesquelles est incrusté du matériau pour électrode
• C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau

Abrégé

A preparation method for a new-type adsorbent with a high adsorption capacity, and an adsorbent. Coal and related products of coal are used as carbon sources, and an adsorption material with relatively good adsorption performance is prepared by means of the processes of carbonization activation, acid pickling, a hot alkali treatment, etc. The adsorption material prepared by using the method has a large specific surface area, a high microporosity, a high adsorption capacity, a high adsorption rate and good cycling stability. The method is simple in terms of preparation process, uses widely available raw materials, has a low cost, is suitable for the fields of carbon capture, VOC waste gas treatment, etc., and can also achieve clean and efficient utilization of coal.

Classes IPC  ?

• B01J 20/20 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant du carbone libreCompositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant du carbone obtenu par des procédés de carbonisation
• B01J 20/28 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation caractérisées par leur forme ou leurs propriétés physiques
• B01J 20/30 - Procédés de préparation, de régénération ou de réactivation
• B01D 53/02 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p. ex. chromatographie préparatoire en phase gazeuse

Abrégé

A heterogeneous-fluidized-bed-nested electrochemical fluorine removal device, comprising an electrochemical reaction module (2), and a fluidized bed reaction module (1), which is located above the electrochemical reaction module (2). In the device, a gas generated by an electrochemical reaction and a water body are swept into the fluidized bed reaction module (1) together without the need for an additional aeration device, and continuous and stable running of fluorine-containing wastewater can be realized simply by adding a small amount of zeolite to the fluidized bed reaction module (1) as a fluidized bed carrier; therefore, the treatment cost is low, the operation process is green and free of secondary pollution, no sludge dehydration is required, and the removal efficiency of fluorine ions is high.

Classes IPC  ?

• C02F 1/463 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par des procédés électrochimiques par électrolyse par électrocoagulation

Abrégé

A method for repairing a waste reverse osmosis membrane and removing insoluble pollutants, which method comprises the following steps: subjecting a waste reverse osmosis membrane element to first-cycle soaking with a repairing agent A, so as to obtain a soaked object; adding a repairing agent B to the soaked object and performing second-cycle soaking, so as to obtain a repaired reverse osmosis membrane element; and subjecting the repaired reverse osmosis membrane element to a cyclic soaking and cleaning treatment alternately using an acid liquor and an alkali liquor, wherein the pH of the acid liquor is 2-4, the pH of the alkali liquor is 10-12, and the cyclic treatment alternately using the acid liquor and the alkali liquor is conducted for 1-20 rounds. A cleaning step can be omitted during repairing, and insoluble pollutants on the surface of the membrane can be removed by means of cleaning with the acid liquor and the alkali liquor after being repaired, such that a treatment process for restoring the performance of the waste membrane and removing pollutants is simplified.

Classes IPC  ?

• B01D 65/10 - Test de membranes ou d'appareils à membranesDétection ou réparation de fuites
• B01D 65/02 - Nettoyage ou stérilisation de membranes

Abrégé

The present invention relates to the technical field of heat storage materials. Disclosed are a coal-based heat storage carbon material and a preparation method therefor and the application thereof, and a composition for preparing a coal-based heat storage carbon material and the application of the composition. The coal-based heat storage material comprises component A and component B. The ID/IG of component A is 0-0.6, and the ID/IG of component B is greater than 1, wherein ID is the height of a D peak obtained by means of a Raman spectrum, and IG is the height of a G peak obtained by means of the Raman spectrum. In the coal-based heat storage material, the crystallite size Lc in a c-axis direction obtained by means of XRD is 15-70 nm; the crystallite size La in an a-axis direction is 15-150 nm; and the interlayer spacing d002 of a (002) crystal plane is 3.345-3.370 nm. The coal-based heat storage carbon material contains both a carbon structure having a high strength and a graphite structure having a high thermal conductivity, such that the coal-based heat storage carbon material has both a high compressive strength and a high thermal conductivity.

Classes IPC  ?

• C09K 5/14 - Substances solides, p. ex. pulvérulentes ou granuleuses
• C08K 3/04 - Carbone
• C08K 11/00 - Emploi d'ingrédients de constitution inconnue, p. ex. produits de réaction non définis
• C08L 95/00 - Compositions contenant des matières bitumeuses, p. ex. asphalte, goudron ou brai

Abrégé

Provided a heat storage graphite having a low degree of orientation, a composition for preparing heat storage graphite having a low degree of orientation, and a method for preparing heat storage graphite having a low degree of orientation. The heat storage graphite comprises, in terms of the total mass of the heat storage graphite, 65-85 wt % of dispersed-phase graphite and 15-35 wt % of continuous-phase graphite, wherein the dispersed-phase graphite is spherical graphite, and the sphericity of the spherical graphite is 0.5-1; the ratio of the vertical thermal conductivity/plane-oriented thermal conductivity of the heat storage graphite is 0.4-0.8; and the plane-oriented thermal conductivity of the heat storage graphite is 50-150 W/mK. The heat storage graphite has the advantages of a low degree of orientation and high plane-oriented thermal conductivity.

Classes IPC  ?

• C09K 5/14 - Substances solides, p. ex. pulvérulentes ou granuleuses
• C04B 35/532 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p. ex. graphite obtenus à partir de particules carbonées avec ou sans autres composants non organiques contenant un liant carbonisable
• C04B 35/626 - Préparation ou traitement des poudres individuellement ou par fournées
• C04B 35/634 - Polymères
• C04B 35/64 - Procédés de cuisson ou de frittage

Abrégé

The present invention relates to the fields of heat storage and thermally conductive materials, and discloses a highly thermally conductive heat storage material, a preparation method therefor, and the application thereof, and a composition for preparing a highly thermally conductive heat storage material and the application thereof. The highly thermally conductive heat storage material comprises 11-41 wt % of a carbonaceous part and 59-89 wt % of a graphitic part; for the carbonaceous part, Lc>18 nm, La>35 nm, d002<0.3388 nm, and the degree of graphitization is 60% to 95%; for the graphitic part, Lc>50 nm; La>80 nm; d002<0.3358 nm, and the degree of graphitization is 95% to 100%. The highly thermally conductive heat storage material comprises a carbonaceous part with a specific structure and a graphitic part with a specific structure, and the heat storage material obtained thereby possesses high thermal conductivity and high compressive strength. Meanwhile, the preparation process of the highly thermally conductive heat storage material is simple and cost-effective.

Classes IPC  ?

• C09K 5/14 - Substances solides, p. ex. pulvérulentes ou granuleuses
• C04B 35/52 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p. ex. graphite
• C04B 35/645 - Frittage sous pression
• F28D 20/00 - Appareils ou ensembles fonctionnels d'accumulation de chaleur en généralAppareils échangeurs de chaleur de régénération non couverts par les groupes ou

Abrégé

22222222222, can be adapted to a variety of application scenarios, and has good universal applicability.

Classes IPC  ?

• B01D 53/02 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p. ex. chromatographie préparatoire en phase gazeuse
• B01J 20/30 - Procédés de préparation, de régénération ou de réactivation
• C01F 7/02 - Oxyde d'aluminiumHydroxyde d'aluminiumAluminates
• B82Y 40/00 - Fabrication ou traitement des nanostructures

Produits et services

Catalysts for use in the oil processing industry; Catalysts for use in the manufacture of industrial chemicals; Catalysts for use in the manufacture of synthetics, rubbers and polymers; Catalysts for oxidation processes; Petroleum cracking catalysts; Biochemical catalysts; Fluid cracking catalysts; Catalysts for chemical and biochemical processes; Catalysts for use in the manufacture of rubber; Catalysts for use in the manufacture of plastics. Boats; Ship hulls; Funnels for ships

Produits et services

Catalysts for use in the oil processing industry; Catalysts for use in the manufacture of industrial chemicals; Catalysts for use in the manufacture of synthetics, rubbers and polymers; Catalysts for oxidation processes; Petroleum cracking catalysts; Biochemical catalysts; Fluid cracking catalysts; Catalysts for chemical and biochemical processes; Catalysts for use in the manufacture of rubber; Catalysts for use in the manufacture of plastics. Boats; Ship hulls; Funnels for ships

Produits et services

Catalysts for use in the oil processing industry; Catalysts for use in the manufacture of industrial chemicals; Catalysts for use in the manufacture of synthetics, rubbers and polymers; Catalysts for oxidation processes; Petroleum cracking catalysts; Biochemical catalysts; Fluid cracking catalysts; Catalysts for chemical and biochemical processes; Catalysts for use in the manufacture of rubber; Catalysts for use in the manufacture of plastics. Boats; Ship hulls; Funnels for ships

Produits et services

(1) Biochemical catalysts; catalysts for use in oil processing; catalysts for use in the manufacture of industrial chemicals; catalysts for use in the manufacture of plastics; catalysts for use in the manufacture of polymers; catalysts for use in the manufacture of polyolefin; catalysts for use in the manufacture of rubber; catalysts for use in the manufacture of synthetics, rubbers and polymers; catalysts for use in the oil processing industry; catalysts, namely metal catalyst materials, for use in the manufacture of fuel cells and batteries; chemical catalysts for use in making squishy toys; cracking catalysts for use in the oil refinery industry; fluid cracking catalysts; petroleum cracking catalysts

Produits et services

(1) Biochemical catalysts; catalysts for use in oil processing; catalysts for use in the manufacture of industrial chemicals; catalysts for use in the manufacture of plastics; catalysts for use in the manufacture of polymers; catalysts for use in the manufacture of polyolefin; catalysts for use in the manufacture of rubber; catalysts for use in the manufacture of synthetics, rubbers and polymers; catalysts for use in the oil processing industry; catalysts, namely metal catalyst materials, for use in the manufacture of fuel cells and batteries; chemical catalysts for use in making squishy toys; cracking catalysts for use in the oil refinery industry; fluid cracking catalysts; petroleum cracking catalysts

Produits et services

(1) Biochemical catalysts; catalysts for use in oil processing; catalysts for use in the manufacture of industrial chemicals; catalysts for use in the manufacture of plastics; catalysts for use in the manufacture of polymers; catalysts for use in the manufacture of polyolefin; catalysts for use in the manufacture of rubber; catalysts for use in the manufacture of synthetics, rubbers and polymers; catalysts for use in the oil processing industry; catalysts, namely metal catalyst materials, for use in the manufacture of fuel cells and batteries; chemical catalysts for use in making squishy toys; cracking catalysts for use in the oil refinery industry; fluid cracking catalysts; petroleum cracking catalysts

Abrégé

x3-x-y-zyz4+δ4+δ, wherein the subscript value of each metal element is the number of atoms of the corresponding metal element in the composite metal oxide, "4+δ" is the number of oxygen atoms required to meet the oxidation state of the other elements, 0.2

Classes IPC  ?

• C01B 3/58 - Séparation de l'hydrogène ou des gaz contenant de l'hydrogène à partir de mélanges gazeux, p. ex. purification par contact avec des solidesRégénération des solides usés comportant une réaction catalytique
• H01M 8/0668 - Élimination du monoxyde de carbone ou du dioxyde de carbone
• B01D 53/62 - Oxydes de carbone
• C01B 3/54 - Séparation de l'hydrogène ou des gaz contenant de l'hydrogène à partir de mélanges gazeux, p. ex. purification par contact avec des liquidesRégénération des liquides usés comportant une réaction catalytique

Abrégé

A method for restoration of coal mine ecological damage, comprising: obtaining mining area basic information; on the basis of the mining area basic information, dynamically simulating earth surface movement and deformation for mining methods at preset time intervals by using a mining subsidence simulation method; on the basis of vegetation information, regional climate features, and dynamic simulation results, obtaining ecological damage degree distribution areas of the mining methods, and determining ecological restoration modes; on the basis of mining benefits, resource recovery rates and ecological management input costs of the mining methods, obtaining comprehensive benefits of the mining methods, and sorting the values of the comprehensive benefits from large to small; and on the basis of the sorting, selecting an ecological restoration mode having the largest comprehensive benefit. Further disclosed are an apparatus for restoration of coal mine ecological damage, and a storage medium and an electronic device.

Classes IPC  ?

• G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projetsPlanification d’entreprise ou d’organisationModélisation d’entreprise ou d’organisation

Abrégé

A system and a method for dispensing a liquefied fuel (e.g., hydrogen) are provided. The system includes a cryotank for storing a liquefied fuel, a first liquid pump and a second liquid pump. The first pump has a first maximum flow rate and pumps a first stream of the liquefied fuel having a first pressure. The second pump has a second and lower maximum flow rate, and pumps a second stream of the liquefied fuel has a second and higher pressure. Each pump is connected with a heat exchanger to vaporize a stream of the liquefied fuel to provide a respective vaporized substream. Each pump is also connected with a mixer, which combines the respective vaporized substream and a respective second substream of the liquefied fuel to provide a respective gaseous fuel stream. The gaseous fuel streams can be separately or jointly dispensed to one or more vehicles through a piping manifold and at least one dispenser.

Classes IPC  ?

• F17C 5/00 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés
• F17C 7/04 - Vidage des gaz liquéfiés avec changement d'état, p. ex. vaporisation

Abrégé

A system and a method for dispensing a liquefied fuel (e.g., hydrogen) are provided. The system (100) includes a cryotank (20) for storing a liquefied fuel (30), a first liquid pump (42) and a second liquid pump (44). The first pump (42) has a first maximum flow rate and pumps a first stream (11) of the liquefied fuel (30) having a first pressure. The second pump (44) has a second and lower maximum flow rate, and pumps a second stream (21) of the liquefied fuel (30) having a second and higher pressure. Each pump (42, 44) is connected with a heat exchanger (62, 64) to vaporize a stream (12, 22) of the liquefied fuel (30) to provide a respective vaporized substream (13, 23). Each pump (42, 44) is also connected with a mixer (72, 74) which combines the respective vaporized substream (13, 23) and a respective second substream (14, 24) of the liquefied fuel (30) to provide a respective gaseous fuel stream (32, 34). The gaseous fuel streams (32, 34) can be separately or jointly dispensed to one or more vehicles through a piping manifold (80) and at least one dispenser (90, 92). The system can refuel hydrogen to multiple fuel cell vehicles simultaneously, through multiple dispensers and multiple fluid circuits. The fluid circuit can provide various pressure capabilities. The fill rate and vehicle throughput of a refueling station can be significantly improved.

Classes IPC  ?

• F17C 5/02 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz liquéfiés
• F17C 7/02 - Vidage des gaz liquéfiés
• F17C 13/00 - Détails des récipients ou bien du remplissage ou du vidage des récipients
• B60S 5/02 - Alimentation des véhicules en combustibleDisposition générale des installations dans les stations d'approvisionnement

Abrégé

A system for distributing liquefied fuel, the system comprising a cryogenic tank (10) configured to store the liquefied fuel, a pump (40) capable of being inserted into the cryogenic tank (10), and a switching valve (30), wherein the pump (40) has a piston (23), an inlet (34) and an isolation valve (5), the isolation valve (5) being configured to supply the liquefied fuel to the inlet (34); the switching valve (30) is controlled such that steam from the pump (10) and the liquefied fuel in contact with a back side of the piston flow to the inlet (34) of the pump (40); and at least one partition valve (50) is also connected to the cryogenic tank (10) and the pump (40). At least one of the switching valve (30), the at least one partition valve (50) and the isolation valve (5) can be controlled, so as to operate the system in one of three working modes, which comprise a pressure increasing mode, a pressure maintaining mode and a pressure reducing mode. Further provided is a method for operating a system for distributing liquefied fuel.

Classes IPC  ?

• F17C 13/02 - Adaptations spéciales des dispositifs indicateurs, de mesure ou de contrôle
• F17C 13/04 - Disposition ou montage des soupapes
• F17C 9/00 - Procédés ou appareils pour vider les gaz liquéfiés ou solidifiés contenus dans des récipients non sous pression
• F17C 3/00 - Récipients non sous pression
• F17C 13/00 - Détails des récipients ou bien du remplissage ou du vidage des récipients

Produits et services

Catalysts.

Produits et services

Catalysts.

Produits et services

Catalysts.

Abrégé

The present disclosure relates to the catalytic field, and discloses a catalyst system and a light hydrocarbon aromatization method, a carbon dioxide hydrogenation process and a method for enhancing the catalytic activity and/or lifetime of the catalyst during a heterogeneous catalysis process, the catalyst system comprising a porous material layer containing an active metal component and a molecular sieve layer. The catalyst system provided by the present disclosure exhibits desirable catalytic activity, stability, renewability and selectivity, thus has significant benefits.

Classes IPC  ?

• B01J 29/06 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes
• B01J 29/70 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes de types caractérisés par leur structure spécifique non prévus dans les groupes
• B01J 37/02 - Imprégnation, revêtement ou précipitation
• C01B 32/40 - Oxyde de carbone
• C07C 2/76 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant un plus petit nombre d'atomes de carbone par condensation d'hydrocarbures avec élimination partielle d'hydrogène

Abrégé

The invention relates to the field of flow batteries, and in particular relates to a neutral zinc iron flow battery and the use thereof. The neutral zinc iron flow battery comprises a negative electrode electrolyte solution and a positive electrode electrolyte solution, wherein a negative electrode electrolyte in the negative electrode electrolyte solution comprises a first ferrous salt and a zinc salt, the molar ratio of the first ferrous salt to the zinc salt is 0.01 to 0.25:1, wherein the first ferrous salt is based on Fe2−, and the zinc salt is based on Zn2+. By doping the first ferrous salt in the negative electrode electrolyte solution and defining the molar ratio of the first ferrous salt to the zinc salt, the concentration of the negative electrode electrolyte active material is increased, the permeation of the positive electrode ferrous ions is reduced, and the stability of the negative electrode electrolyte solution is improved; moreover, the negative electrode electrolyte solution delays the generation of zinc dendrites and improves the energy density and cycle stability of the neutral zinc iron flow battery.

Classes IPC  ?

• H01M 8/18 - Éléments à combustible à régénération, p. ex. batteries à flux REDOX ou éléments à combustible secondaires

Abrégé

A system and a method for dispensing a liquefied fuel (e.g., hydrogen) are provided. The system includes a cryotank for storing a liquefied fuel, a pump insertable into the cryotank, and a switching valve. The pump has a piston, an intake port, and an isolation valve configured to supply the liquefied fuel to the intake port. The switching valve is controlled to flow the vapor from the pump and the liquefied fuel contacting a backside of the piston to the intake port of the pump. At least one block valve is also connected with the cryotank and the pump. At least one of the switching valve, the at least one block valve, and the isolation valve can be controlled to operate the system in one of three working modes including a pressure increase mode, a pressure maintaining mode, and a pressure decrease mode.

Classes IPC  ?

• F17C 5/00 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés
• F17C 13/02 - Adaptations spéciales des dispositifs indicateurs, de mesure ou de contrôle
• F17C 13/04 - Disposition ou montage des soupapes
• F17C 5/02 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz liquéfiés
• G05D 16/20 - Commande de la pression d'un fluide caractérisée par l'utilisation de moyens électriques

Abrégé

The present invention relates to the technical field of Fischer-Tropsch synthesis, and specifically to a method and device for the continuous operation of a Fischer-Tropsch synthesis catalyst. On the premise of not reducing an activation effect of a Fischer-Tropsch synthesis catalyst, the operation method provided by the present invention changes an intermittent activation operation of the existing catalyst into a continuous operation, which realizes the continuous operation of the activation process and the online replacement process of the Fischer-Tropsch synthesis catalyst. Particularly, combining a solid-solid heat exchange between a fresh catalyst and an activated catalyst, so that an activation reactor keeps the activation process conditions unchanged, saves on the time consumed by the activation reactor in heating and cooling, pressurizing and depressurizing, and gas replacement, etc., and reduces the operation complexity and energy consumption; moreover, a replacement period and the replacement rate of a deactivated catalyst in a Fischer-Tropsch synthesis reactor are reduced, so that the overall performance of the catalyst in the Fischer-Tropsch synthesis reactor is more stable, thereby effectively reducing the equipment investment cost of the activation reactor.

Classes IPC  ?

• C10G 2/00 - Production de mélanges liquides d'hydrocarbures de composition non définie à partir d'oxydes de carbone
• B01J 23/94 - Régénération ou réactivation de catalyseurs contenant des métaux, oxydes ou hydroxydes du cuivre ou des métaux du groupe du fer
• B01J 38/10 - Traitement avec un gaz ou une vapeurTraitement avec des liquides vaporisables au contact du catalyseur épuisé avec de l'hydrogène élémentaire
• B01J 37/18 - Réduction avec des gaz contenant de l'hydrogène libre
• B01J 37/16 - Réduction
• B01J 23/745 - Fer

Abrégé

22222 layer, and the amorphous layer contains a surface hydroxyl. When the catalyst for the catalytic degradation of ethylene reaches 300-450°C, ethylene degradation efficiency reaches 50% or above, reaching a maximum of 90%; compared with existing catalysts, no transition metal or precious metal is used as an active component.

Classes IPC  ?

• B01J 23/04 - Métaux alcalins
• B01J 35/10 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides caractérisés par leurs propriétés de surface ou leur porosité
• C01G 23/047 - Dioxyde de titane

Abrégé

The present invention relates to the technical field of energy storage. Disclosed in the invention are a composite electrode for a flow cell, a flow cell, and a stack. The composite electrode comprises: a distribution layer, used to distribute an electrolyte; a reaction layer used to receive the electrolyte of the distribution layer and provide an electrochemical reaction site for the electrolyte; and a contact layer, used to reduce the contact resistance of the distribution layer so as to reduce an internal resistance of the flow cell. In the present invention, by means of providing a distribution layer, a reaction layer and a contact layer, an electrochemical reaction site and an electrolyte distribution site of a composite electrode can be effectively separated, the distribution layer being able to greatly reduce dead zones and channeling caused by uneven flow distribution, and the contact layer being able to greatly reduce the internal resistance of the flow cell. Meanwhile, the distribution layer and the reaction layer can be separately and specially designed, thus improving the output power and energy efficiency of a cell or a stack taking the present composite electrode as an anode and/or a cathode.

Classes IPC  ?

• H01M 4/86 - Électrodes inertes ayant une activité catalytique, p. ex. pour piles à combustible
• H01M 4/96 - Électrodes à base de carbone

Abrégé

The present disclosure discloses an ethylene degradation catalyst and a preparation method and a use thereof.

Classes IPC  ?

• B01J 21/06 - Silicium, titane, zirconium ou hafniumLeurs oxydes ou hydroxydes
• B01J 35/00 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général
• B01J 35/02 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides
• B01J 6/00 - CalcinationCuisson
• B01J 37/04 - Mélange
• B01J 37/08 - Traitement thermique
• C22B 1/02 - Procédés de grillage
• C22B 3/08 - Acide sulfurique
• C22B 34/12 - Obtention du titane
• B01J 23/02 - Catalyseurs contenant des métaux, oxydes ou hydroxydes métalliques non prévus dans le groupe des métaux alcalins ou alcalino-terreux ou du béryllium
• B01J 37/06 - Lavage
• B82Y 40/00 - Fabrication ou traitement des nanostructures
• F01N 3/08 - Silencieux ou dispositifs d'échappement comportant des moyens pour purifier, rendre inoffensifs ou traiter les gaz d'échappement pour rendre les gaz d'échappement inoffensifs
• F01N 3/20 - Silencieux ou dispositifs d'échappement comportant des moyens pour purifier, rendre inoffensifs ou traiter les gaz d'échappement pour rendre les gaz d'échappement inoffensifs par conversion thermique ou catalytique des composants nocifs des gaz d'échappement caractérisés par les méthodes d'opérationCommande spécialement adaptés à la conversion catalytique

Abrégé

The present invention relates to the field of alkylation catalysts, and disclosed are a composite ZSM-5 molecular sieve, a preparation method therefor, a catalyst and an application thereof. A single crystal of the composite ZSM-5 molecular sieve comprises a main crystal and a twin crystal; the main crystal and the twin crystal are both ZSM-5 crystals; a crystal plane [010] of the main crystal is covered by a crystal plane [100] of the twin crystal; and the ratio of the number of sinusoidal pore openings to the number of straight pore openings on the outer surface of the single crystal of the composite ZSM-5 molecular sieve is (0.7-10:1), and the molar ratio Y1 of an Si element to an Al element within 10 nm of the surface is (300-2000):1. The single crystal of the composite ZSM-5 molecular sieve of the present invention has a large ratio of the number of sinusoidal pore openings to the number of straight pore openings, and is aluminum-poor on the surface and aluminum-rich on the inside. When applied to the toluene methanol alkylation reaction to prepare p-xylene, the selectivity of p-xylene may be greatly improved.

Classes IPC  ?

• B01J 29/40 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes du type pentasil, p. ex. types ZSM-5, ZSM-8 ou ZSM-11
• B01J 35/10 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides caractérisés par leurs propriétés de surface ou leur porosité
• B01J 37/04 - Mélange
• B01J 37/00 - Procédés de préparation des catalyseurs, en généralProcédés d'activation des catalyseurs, en général
• B01J 37/03 - PrécipitationCo-précipitation
• B01J 37/08 - Traitement thermique
• B01J 37/02 - Imprégnation, revêtement ou précipitation
• C07C 2/86 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant un plus petit nombre d'atomes de carbone par condensation d'un hydrocarbure et d'un non-hydrocarbure

Abrégé

Provided are a controller, a system comprising such a controller, and a method for controlling or managing discharging or charging of a plurality of battery packs. The controller comprises one or more processors and at least one tangible non-transitory machine-readable medium encoded with one or more programs. The one or more programs are configured to perform the following steps: determining a voltage distribution parameter of each battery pack on the basis of the maximum voltage, minimum discharge voltage and current voltage of each battery pack; assigning a ranking to the plurality of battery packs on the basis of the voltage distribution parameter; and determining corresponding discharging or charging power on the basis of the ranking of each battery pack and a total power demand. The controller provides a signal having an instruction to the plurality of battery packs and/or one or more power converters, so as to discharge or charge the plurality of battery packs.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• H01M 10/44 - Méthodes pour charger ou décharger

Abrégé

A controller, a system including such a controller, and a method for controlling discharging of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to determine a respective discharge power or discharge share for each battery pack for maximizing objective function (J) of the plurality of battery packs defined in Equation (1). The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converters for discharging power from the plurality of battery packs based on the respective discharging share and power of each battery pack and/or keeping a certain battery pack idle.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• H02M 7/44 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques

Abrégé

Provided are a controller, a system comprising the controller, and a method for controlling or managing discharge or charge of multiple battery packs. The controller comprises one or more processors and at least one tangible non-transitory machine-readable medium encoded with one or more programs, and the one or more programs are configured to execute steps to determine, on the basis of characteristic data and the power demand of each battery pack and the voltage and state of charge of each battery pack, corresponding discharge or charge power of each battery pack with a first weighting factor (a) and a second weighting factor (b) used for power distribution. The controller provides a signal having an instruction for the multiple battery packs and/or one or more power converters, so as to discharge from the multiple battery packs or charge the multiple battery packs.

Classes IPC  ?

• H02J 3/32 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des batteries avec moyens de conversion
• H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• H02J 7/34 - Fonctionnement en parallèle, dans des réseaux, de batteries avec d'autres sources à courant continu, p. ex. batterie tampon

Abrégé

A controller, a system including such a controller, and a method for controlling or managing discharge or charge of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to determining a voltage distribution parameter of each battery pack based on its maximum voltage, its minimum voltage for discharge, and a present voltage, assign ranks to the plurality of battery packs based on the voltage distribution parameters, and determine a respective power discharge or charge based on the rank of each battery pack and a total power demand. The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converters for discharging power from or charging power to the plurality of battery packs.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• H02J 3/00 - Circuits pour réseaux principaux ou de distribution, à courant alternatif
• H02J 3/32 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des batteries avec moyens de conversion
• H01M 10/44 - Méthodes pour charger ou décharger

Abrégé

2222 is composed of two crystal forms, namely anatase and rutile; and the content of the crystal form, namely the anatase is greater than the content of the crystal form, namely the rutile. The prepared catalyst is low in methane selectivity, high in activity, good in sintering resistance and hydrothermal resistance and excellent in stability.

Classes IPC  ?

• B01J 23/889 - Manganèse, technétium ou rhénium
• B01J 27/135 - HalogènesLeurs composés avec du titane, du zirconium, de l'hafnium, du germanium, de l'étain ou du plomb
• C10G 2/00 - Production de mélanges liquides d'hydrocarbures de composition non définie à partir d'oxydes de carbone
• C07C 1/04 - Préparation d'hydrocarbures à partir d'un ou plusieurs composés, aucun d'eux n'étant un hydrocarbure à partir d'oxydes de carbone à partir de monoxyde de carbone avec de l'hydrogène

Abrégé

A controller, a system including such a controller, and a method for controlling or managing discharge or charge of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to determine a respective power discharge or charge for each battery packs based on characteristic data of each battery pack, a power demand, and the first weighting factor (a) and the second weighting factor (b) for power assignment based on voltage and state of charge of each battery pack. The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converters for discharging power from or charging power to the plurality of battery packs.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• B60L 53/63 - Surveillance et commande des stations de charge en réponse à la capacité du réseau
• B60L 55/00 - Dispositions relatives à la fourniture d'énergie emmagasinée dans un véhicule à un réseau électrique, c.-à-d. du véhicule au réseau [V2G]
• B60L 58/13 - Maintien de l’état de charge [SoC] à l'intérieur d'une plage déterminée
• H02J 3/32 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des batteries avec moyens de conversion

Abrégé

The present application provides a fuel cell and an airtightness detection method thereof. The fuel cell comprises: a feed gas supply system for providing feed gas to a fuel cell, a hydrogen supply line and a nitrogen supply line being connected in series to a feed gas total stop valve; an airtightness test system, comprising a first stop valve, an airtightness detector, and a second stop valve which are sequentially connected along an airflow direction; and a fuel cell stack to be tested, wherein the feed gas supply system is connected in parallel to the airtightness test system and is communicated with an anode inlet of the fuel cell stack to be tested. The anode inlet of the fuel cell can be communicated with a gas source of airtightness detection gas, thereby ensuring that the anode is in a non-oxidizing atmosphere environment at a high temperature, avoiding anodic oxidation, avoiding a change of an anode structure, avoiding affecting the output performance of the stack, and avoiding the cell slice from being broken, so as to avoid leakage in the stack, thereby detecting, at a high temperature, the airtightness of the fuel cell stack to be tested.

Classes IPC  ?

• H01M 8/04313 - Procédés de commande des éléments à combustible ou des systèmes d’éléments à combustible caractérisés par la détection ou l'évaluation des variablesProcédés de commande des éléments à combustible ou des systèmes d’éléments à combustible caractérisés par la détection ou l'évaluation de la défaillance ou d'une fonction anormale

Abrégé

Disclosed in the present application are a fuel-cell power generation system and an electric-pile self-tightening mechanism thereof. The electric-pile self-tightening mechanism comprises: an electric-pile cover plate, which comprises an upper electric-pile cover plate (1) and a lower electric-pile cover plate (2) arranged vertically at an interval and is used for clamping an electric pile (3) between the upper electric-pile cover plate (1) and the lower electric-pile cover plate (2); and cover plate connectors (100) used for vertically penetrating and connecting the upper electric-pile cover plate (1) and the lower electric-pile cover plate (2), wherein at least one of the upper electric-pile cover plate (1) and the lower electric-pile cover plate (2) is a multi-layer cover plate and comprises a cover plate inner-layer plate (4) and a cover plate outer-layer plate (5). The electric-pile cover plate is a multi-layer cover plate with different coefficients of thermal expansion, such that the electric-pile cover plate is capable of bending and deforming with the increase in thermal expansion; and by using the thermal expansion compensation characteristics of the electric-pile cover plate, the problem of a pre-tightening force of the cover plate connectors being reduced under high-temperature deformation is alleviated or eliminated, it is ensured that the sealing performance of an electric pile is not damaged, the sealing performance of the electric pile is improved, and the stable operation of a fuel cell is ensured.

Classes IPC  ?

• H01M 8/248 - Moyens pour comprimer les empilements d’éléments à combustible
• H01M 8/24 - Groupement d'éléments à combustible, p. ex. empilement d'éléments à combustible
• H01M 8/10 - Éléments à combustible avec électrolytes solides

Abrégé

A system and a method for liquefied fuel storage are provided. The system includes a first module including a first outer vessel wall and a cryotank, a second module including a second outer vessel wall and a submerged pump at partially inside the second outer vessel wall, and a third module including a third outer vessel wall. The first, the second, and the third outer vessel walls are connected to provide an enclosure as an outer vessel.

Classes IPC  ?

• F17C 13/00 - Détails des récipients ou bien du remplissage ou du vidage des récipients
• F17C 1/12 - Récipients sous pression, p. ex. bouteilles de gaz, réservoirs de gaz, cartouches échangeables avec des moyens pour assurer une isolation thermique
• F17C 7/02 - Vidage des gaz liquéfiés

Abrégé

A system and a method with boil-off management for liquefied fuel storage are provided. The system includes a cryotank for storing a liquefied fuel, a pump for providing and compressing a first stream of the liquefied fuel, a heat exchanger for provide cooling duty to the first stream of the liquefied fuel, and an expansion valve for expanding the first stream of the liquefied fuel after the heat exchanger into a multiphase stream comprising a liquid phase and a gas phase. The multiphase stream has a temperature lower than an initial temperature of the first stream from the cryotank. The system further comprises a liquid-vapor splitter for separating the liquid phase and gas phase in the multiphase stream. The liquid phase is returned into the cryotank.

Classes IPC  ?

• F17C 13/04 - Disposition ou montage des soupapes
• F02M 21/02 - Appareils pour alimenter les moteurs en combustibles non liquides, p. ex. en combustibles gazeux stockés sous forme liquide en combustibles gazeux

Abrégé

A system and a method with boil-off management for liquefied fuel storage are provided. The system includes a cryotank for storing a liquefied fuel, a pump for providing and compressing a first stream of the liquefied fuel, a heat exchanger for provide cooling duty to the first stream of the liquefied fuel, and an expansion valve for expanding the first stream of the liquefied fuel after the heat exchanger into a multiphase stream comprising a liquid phase and a gas phase. The multiphase stream has a temperature lower than an initial temperature of the first stream from the cryotank. The system further comprises a liquid-vapor splitter for separating the liquid phase and gas phase in the multiphase stream. The liquid phase is returned into the cryotank.

Classes IPC  ?

• F02M 21/02 - Appareils pour alimenter les moteurs en combustibles non liquides, p. ex. en combustibles gazeux stockés sous forme liquide en combustibles gazeux
• F17C 6/00 - Procédés ou appareils pour remplir des récipients non sous pression de gaz liquéfiés ou solidifiés

Abrégé

A system such as a hydrogen refueling station and a method are provided. The system includes a cryotank for storing a liquefied fuel having liquid and vapor phases, a pump for providing a first stream of the liquefied fuel in the liquid phase from the cryotank, a heat exchanger for converting at least a portion of the first stream to a gaseous fuel, a dispenser for dispensing at least a portion of the gaseous fuel to a receiving fuel tank, a refrigeration unit integrated with the heat exchanger, and a backup power unit. The refrigeration unit and the heat exchanger exchange heat with each other, and the refrigeration unit provides cooling capacity to a facility of environment where cooling is needed. The backup power unit generate electric power by using a second stream of the liquefied fuel in the vapor phase or in the liquid phase or both.

Classes IPC  ?

• F17C 5/00 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés
• F17C 5/02 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz liquéfiés
• F17C 5/06 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz comprimés
• F17C 6/00 - Procédés ou appareils pour remplir des récipients non sous pression de gaz liquéfiés ou solidifiés
• F17C 7/00 - Procédés ou appareils pour vider les gaz liquéfiés, solidifiés ou comprimés contenus dans des récipients sous pression, non couverts par une autre sous-classe
• F17C 7/02 - Vidage des gaz liquéfiés
• F17C 7/04 - Vidage des gaz liquéfiés avec changement d'état, p. ex. vaporisation
• F17C 9/00 - Procédés ou appareils pour vider les gaz liquéfiés ou solidifiés contenus dans des récipients non sous pression
• F17C 9/02 - Procédés ou appareils pour vider les gaz liquéfiés ou solidifiés contenus dans des récipients non sous pression avec changement d'état, p. ex. vaporisation
• F17C 9/04 - Récupération de l'énergie thermique

Abrégé

A system such as a hydrogen refueling station and a method are provided. The system includes a cryotank for storing a liquefied fuel having liquid and vapor phases, a pump for providing a first stream of the liquefied fuel in the liquid phase from the cryotank, a heat exchanger for converting at least a portion of the first stream to a gaseous fuel, a dispenser for dispensing at least a portion of the gaseous fuel to a receiving fuel tank, a refrigeration unit integrated with the heat exchanger, and a backup power unit. The refrigeration unit and the heat exchanger exchange heat with each other, and the refrigeration unit provides cooling capacity to a facility of environment where cooling is needed. The backup power unit generate electric power by using a second stream of the liquefied fuel in the vapor phase or in the liquid phase or both.

Classes IPC  ?

• F17C 5/00 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés
• F17C 5/02 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz liquéfiés
• F17C 5/06 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz comprimés
• F17C 6/00 - Procédés ou appareils pour remplir des récipients non sous pression de gaz liquéfiés ou solidifiés
• F17C 9/00 - Procédés ou appareils pour vider les gaz liquéfiés ou solidifiés contenus dans des récipients non sous pression
• F17C 9/02 - Procédés ou appareils pour vider les gaz liquéfiés ou solidifiés contenus dans des récipients non sous pression avec changement d'état, p. ex. vaporisation
• F17C 9/04 - Récupération de l'énergie thermique
• F17C 7/00 - Procédés ou appareils pour vider les gaz liquéfiés, solidifiés ou comprimés contenus dans des récipients sous pression, non couverts par une autre sous-classe
• F17C 7/02 - Vidage des gaz liquéfiés
• F17C 7/04 - Vidage des gaz liquéfiés avec changement d'état, p. ex. vaporisation

Abrégé

A system such as a hydrogen refueling station and a method are provided. The system includes a cryotank for storing a liquefied fuel having liquid and vapor phases, a pump for providing a first stream of the liquefied fuel in the liquid phase from the cryotank, a heat exchanger for converting at least a portion of the first stream to a gaseous fuel, a dispenser for dispensing at least a portion of the gaseous fuel to a receiving fuel tank, a refrigeration unit integrated with the heat exchanger, and a backup power unit. The refrigeration unit and the heat exchanger exchange heat with each other, and the refrigeration unit provides cooling capacity to a facility of environment where cooling is needed. The backup power unit generate electric power by using a second stream of the liquefied fuel in the vapor phase or in the liquid phase or both.

Classes IPC  ?

• F17C 7/04 - Vidage des gaz liquéfiés avec changement d'état, p. ex. vaporisation
• C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau

Abrégé

A system and a method with boil-off management for liquefied fuel storage are provided. The system includes a cryotank for storing a liquefied fuel, a pump for providing and compressing a first stream of the liquefied fuel, a heat exchanger for provide cooling duty to the first stream of the liquefied fuel, and an expansion valve for expanding the first stream of the liquefied fuel after the heat exchanger into a multiphase stream comprising a liquid phase and a gas phase. The multiphase stream has a temperature lower than an initial temperature of the first stream from the cryotank. The system further comprises a liquid-vapor splitter for separating the liquid phase and gas phase in the multiphase stream. The liquid phase is returned into the cryotank.

Classes IPC  ?

• F02M 21/02 - Appareils pour alimenter les moteurs en combustibles non liquides, p. ex. en combustibles gazeux stockés sous forme liquide en combustibles gazeux
• F17C 6/00 - Procédés ou appareils pour remplir des récipients non sous pression de gaz liquéfiés ou solidifiés

Abrégé

A foamable polypropylene composition, and foamed polypropylene and a preparation method therefor are provided. The polypropylene composition comprises polypropylene, a polypropylene modifier, a foaming agent, and an optional nucleating agent. A preparation method for the polypropylene modifier comprises: enabling polar monomer grafted polypropylene to be in contact with a component A to react and carrying out extruding pelletizing, wherein a polar monomer in the polar monomer grafted polypropylene can chemically react with the component A; the polar monomer is selected from at least one of dimethylamino methacrylate, epoxy acrylate, trimeric acrylic isocyanurate, and acrylamide; and the component A is selected from at least one of polyisocyanate, polyethylene oxide, and an amido-containing substance. The foamed polypropylene has an obtained foaming ratio of 12 times or more, and also has high tensile and flexural properties.

Classes IPC  ?

• C08J 9/00 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement
• C08L 23/12 - Polypropylène
• C08J 9/10 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent chimique de gonflage dégageant de l'azote
• C08J 9/08 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent chimique de gonflage dégageant de l'anhydride carbonique
• C08J 9/12 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage
• C08J 9/18 - Fabrication de particules expansibles par imprégnation des particules du polymère avec l'agent de gonflage
• C08J 9/232 - Façonnage d'articles en mousse par frittage de particules expansibles

Abrégé

cacaa ≤ 120 nm equation (II); and the graphitization degree of the graphite negative electrode material satisfies the following condition: 85 ≤ graphitization degree ≤ 93 equation (III). The graphite negative electrode material has a high charge-discharge capacity, a high initial coulombic efficiency and excellent rate performance, and the preparation method therefor has a simple process and low cost.

Classes IPC  ?

• H01M 4/583 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx
• H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium

Abrégé

The present invention relates to the field of carbon materials. Disclosed are a negative electrode material, a preparation method therefor and an application thereof, and a negative electrode plate and an application. The negative electrode material has the following features: (1) the total pore volume of the negative electrode material is less than or equal to 0.02 cm3/g, and the volume of mesopores having a pore diameter of 2-50 nm is 0.0001-0.02 cm3/g; (2) the height ratio of the D peak and the G peak, obtained by Raman spectroscopy, of the negative electrode material satisfies the following condition: 0.20≤ID/IG≤1. The negative electrode material has high structural density and a small grain size, so that a battery containing the negative electrode material has not only high charge-discharge capacity, high first-cycle coulombic efficiency, and excellent rate capability, but also excellent continuous high-rate cycle performance; moreover, the preparation method is simple in process and low in cost.

Classes IPC  ?

• H01M 4/583 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx
• H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium

Abrégé

The present invention relates to the technical field of flue gas denitration catalysts, and discloses a hydrogenated TiO2 denitration catalyst and a preparation method and use thereof. The hydrogenated TiO2 denitration catalyst has a crystal form of anatase form, with oxygen vacancies and surface hydroxyl groups; wherein the hydrogenated TiO2 denitration catalyst contains TiO2, SO3 and P2O5, and based on the total weight of the hydrogenated TiO2 denitration catalyst, the content of TiO2 is 98-99.8% by weight, the content of SO3 is 0.2-1% by weight, and the content of P2O5 is 0.1-0.2% by weight. The hydrogenated TiO2 denitration catalyst has high denitration activity at 300-400° C. and N2 selectivity as high as 85% or more, and can be used in NH3—SCR denitration.

Classes IPC  ?

• B01J 27/18 - PhosphoreSes composés contenant de l'oxygène avec des métaux
• B01J 37/08 - Traitement thermique
• B01J 37/18 - Réduction avec des gaz contenant de l'hydrogène libre
• B01J 35/10 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides caractérisés par leurs propriétés de surface ou leur porosité
• B01D 53/86 - Procédés catalytiques

Abrégé

The present invention provides a sealing structure for a fuel cell stack tower, wherein a cathode outlet gas collection cylinder is provided at the center of a cylindrical structure. A first insulating layer is provided at the top of the cylindrical structure, a pressing block is provided on the first insulating layer, and a first elastic connection metal plate is provided on the top surface of the pressing block. A thermally insulating block is provided between stacks. A second insulating layer is provided at the top of the thermally insulating block. A metal plate is provided on the second insulating layer. The top surface of the metal plate is flush with the top surface of the pressing block. A second elastic connection metal plate is provided on the metal plate. The first elastic metal plate and the second elastic metal plate form an integral structure. A metal cover plate is provided at the top of the first elastic metal plate and the second elastic metal plate and connected to the cathode outlet gas collection cylinder. The sealing structure provided by the invention is applied to an open-cathode stack, and uses a sealing approach which prevents a cathode inlet gas from being directly short-circuited to an outlet, thus ensuring that the stack has good performance, is free from damages, and has good sealing performance when the stack tower is at different precipitation levels.

Classes IPC  ?

• H01M 8/0276 - Moyens d’étanchéité caractérisés par leur forme

Abrégé

A system and a method are provided for producing electricity and/or chemicals. The system includes a gasifier, a controller, a solid oxide fuel cell (SOFC) power unit, and a chemical synthesis unit. The gasifier converts a fossil fuel, oxygen, and water into a syngas comprising hydrogen and carbon monoxide. The controller is used to control distribution of the hydrogen into a first portion and a second portion. The solid oxide fuel cell (SOFC) power unit receives the first portion of hydrogen and compressed air or oxygen, and generates electricity using the first portion of hydrogen. The chemical synthesis unit receives the second portion of hydrogen. The second portion of hydrogen is used for chemical synthesis.

Classes IPC  ?

• H01M 8/04089 - Dispositions pour la commande des paramètres des réactifs, p. ex. de la pression ou de la concentration des réactifs gazeux
• H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus
• H01M 8/0612 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus avec des moyens de production des réactifs gazeux à partir de matériaux contenant du carbone
• H01M 8/12 - Éléments à combustible avec électrolytes solides fonctionnant à haute température, p. ex. avec un électrolyte en ZrO2 stabilisé
• H01M 4/90 - Emploi de matériau catalytique spécifié

Abrégé

A controller, a system including such a controller, and a method for controlling discharging of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to determining a voltage distribution parameter of each battery pack based on its maximum voltage, its minimum voltage for discharge, and a present voltage, and calculate a respective discharging share of each battery pack based on the voltage distribution parameter and the maximum total rated power of each battery pack. The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converters for discharging power from the plurality of battery packs based on the respective discharging share and power of each battery pack and/or keeping a certain battery pack idle.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries

Abrégé

ca002ca002002<0.3358 nm, and the degree of graphitization is 95-100%. The highly thermally conductive heat storage material comprises the carbonaceous part having a specific structure and the graphitic part having a specific structure, and the heat storage material obtained thereby has high thermal conductivity and high compressive strength. Meanwhile, the highly thermally conductive heat storage material has a simple preparation process and low cost.

Classes IPC  ?

• C09K 5/14 - Substances solides, p. ex. pulvérulentes ou granuleuses

Abrégé

ca002002 of a (002) crystal plane is 3.345-3.370 nm. The coal-based heat storage carbon material contains both a carbon structure having a high strength and a graphite structure having a high thermal conductivity, such that the coal-based heat storage carbon material has both a high compressive strength and a high thermal conductivity.

Classes IPC  ?

• C09K 5/14 - Substances solides, p. ex. pulvérulentes ou granuleuses

Abrégé

Provided are heat storage graphite having a low degree of orientation, a composition for preparing heat storage graphite having a low degree of orientation, and a method for preparing heat storage graphite having a low degree of orientation. The heat storage graphite comprises, in terms of the total mass of the heat storage graphite, 65-85wt% of dispersed-phase graphite and 15-35wt% of continuous-phase graphite, wherein the dispersed-phase graphite is spherical graphite, and the sphericity of the spherical graphite is 0.5-1; the ratio of the vertical thermal conductivity/plane-oriented thermal conductivity of the heat storage graphite is 0.4 - 0.8; and the plane-oriented thermal conductivity of the heat storage graphite is 50-150 W/mK. The heat storage graphite has the advantages of a low degree of orientation and high plane-oriented thermal conductivity.

Classes IPC  ?

• C09K 5/06 - Substances qui subissent un changement d'état physique lors de leur utilisation le changement d'état se faisant par passage de l'état liquide à l'état solide, ou vice versa
• C09K 5/14 - Substances solides, p. ex. pulvérulentes ou granuleuses
• C04B 35/52 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p. ex. graphite

Abrégé

A battery power management unit (BPMU), an electrical energy storage system comprising one or more such BPMUs, and method of using the same are provided. Such a BPMU includes a microcontroller and one or more processors having at least one tangible, non-transitory machine readable medium encoded with one or more programs. The BPMU is configured to perform steps of: reading data from the internal BMU of a respective battery pack to establish capacity, an energy baseline, state of health (SOH), and an initial value of state of charge (SOC) of the respective battery pack, checking voltage and current at a time interval, calculating power of the respective battery pack, determining and updating battery date such as SOH and SOC, and transmitting updated battery data to a system controller for controlling discharging power from or charging power to the respective battery pack.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• G01R 31/3842 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge combinant des mesures de tension et de courant
• G01R 31/392 - Détermination du vieillissement ou de la dégradation de la batterie, p. ex. état de santé
• H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
• H01M 10/44 - Méthodes pour charger ou décharger
• H02J 3/32 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des batteries avec moyens de conversion
• H02J 7/04 - Régulation du courant ou de la tension de charge

Abrégé

An electrical energy storage system, a controller, and methods of using the same are provided. The system includes battery packs connected in parallel, one or more battery power management unit, one or more power converters, and a controller. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps for discharging or charging. The steps include: reading data including state of health (SOH) and state of charge (SOC) from each battery pack, connecting a respective battery pack with a respective power converter; receiving a power command from an energy management system, calculating a respective power rate of each battery pack based on the data of SOH, SOC, and the power command, and discharging power from battery packs to a grid or charging power to battery packs based on the power rate of each battery pack.

Classes IPC  ?

• H01M 10/44 - Méthodes pour charger ou décharger
• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• H02J 7/02 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge des batteries par réseaux à courant alternatif au moyen de convertisseurs

Abrégé

A polypropylene modifier and a preparation method therefor, polypropylene composition, and polypropylene material comprising the polypropylene modifier and a preparation method therefor are provided. The preparation method for the polypropylene modifier comprises: bringing a polar monomer grafted polypropylene into contact with a component A to carry out reactive extrusion and granulation, and then carrying out drying, wherein a polar monomer in the polar monomer grafted polypropylene is capable of chemically reacting with the component A; in formula (1), the polar monomer is selected from maleic anhydride, acrylic acid, and acrylate, etc; and the component A is selected from polyisocyanate, etc; and in formula (2), the polar monomer is selected from ditnethylaminoethyl methacrylate and epoxy acrylate, etc; and the component A is selected from polyisocyanate and polyethylene oxide, etc. When introduced into an ordinary linear polypropylene, the polypropylene modifier can significantly improve the melt strength and the mechanical properties of the polypropylene.

Classes IPC  ?

• C08F 255/02 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères d'hydrocarbures tels que définis dans le groupe sur des polymères d'oléfines contenant deux ou trois atomes de carbone
• C08L 23/12 - Polypropylène

Abrégé

3-TPD method is not higher than 0.35 mmol/g, and ratio of the strong acid to weak acid is within a range of 0.8-1.2.

Classes IPC  ?

• B01J 29/40 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes du type pentasil, p. ex. types ZSM-5, ZSM-8 ou ZSM-11
• C07C 2/66 - Procédés catalytiques
• B01J 37/10 - Traitement thermique en présence d'eau, p. ex. de vapeur d'eau
• C07C 5/42 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant le même nombre d'atomes de carbone par déshydrogénation avec un accepteur d'hydrogène
• B01J 37/00 - Procédés de préparation des catalyseurs, en généralProcédés d'activation des catalyseurs, en général
• B01J 29/06 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes
• B01J 37/30 - Échange d'ions
• B01J 29/70 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes de types caractérisés par leur structure spécifique non prévus dans les groupes
• B01J 35/00 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général

Abrégé

A system for dispensing a gaseous fuel from a liquefied fuel and a method for operating such a system are provided. The system includes a storage tank, a pressure sensor, a dispenser, a temperature sensor, and a vapor supply unit. The storage tank stores a liquefied fuel including phases of liquid and vapor. The pressure sensor is configured to measure a vapor pressure inside the storage tank. The dispenser is configured to receive the liquefied fuel and dispense the gaseous fuel to a receiving tank. The temperature sensor is configured to measure temperature of the dispenser. The system further includes a vapor supply unit fluidly coupled with the storage tank and configured to provide the vapor of the liquefied fuel from the storage tank into the dispenser or in thermally contact with at least one portion of the dispenser.

Classes IPC  ?

• F17C 7/04 - Vidage des gaz liquéfiés avec changement d'état, p. ex. vaporisation
• B67D 7/36 - Aménagements des vannes de commande du débit ou de la pression
• B67D 7/80 - Aménagements des dispositifs de réchauffage ou de refroidissement des liquides à transférer
• F17C 13/04 - Disposition ou montage des soupapes
• F17C 13/02 - Adaptations spéciales des dispositifs indicateurs, de mesure ou de contrôle
• F17C 5/06 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz comprimés
• F17C 7/00 - Procédés ou appareils pour vider les gaz liquéfiés, solidifiés ou comprimés contenus dans des récipients sous pression, non couverts par une autre sous-classe
• F17C 5/00 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés
• F17C 13/00 - Détails des récipients ou bien du remplissage ou du vidage des récipients
• F17D 1/14 - Transfert des liquides ou des produits visqueux par pompage
• F17D 3/00 - Dispositions pour la surveillance ou la commande des opérations de fonctionnement
• F17D 1/02 - Systèmes de canalisation pour gaz ou vapeurs

Abrégé

A direct fueling station and a method of refueling are provided. The station includes an insulated tank for storing a liquefied fuel, a pump, at least a heat exchanger, a control unit, a dispenser including a flow meter, a flow control device, and at least one sensor for testing pressure and/or temperature. The heat exchanger converts liquefied fuel from pump into a gaseous fuel, which is added into an onboard fuel tank in a vehicle. The control unit includes one or more programs used to coordinate with the pump, the flow meter, the flow control device, and/or the sensor(s) so as to control a refueling method. A peak electrical power requirement is less than that determined by the product of a rated volumetric flow rate of the pump and a rated pumping pressure adequate for a fill pressure of the vehicle. A computer implemented system having the program(s) is also provided.

Classes IPC  ?

• F17C 5/00 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés
• F17C 5/06 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz comprimés
• F17C 5/04 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz liquéfiés nécessitant le recours à la réfrigération, p. ex. remplissage avec de l'hélium ou de l'hydrogène

Abrégé

Provided are a method and apparatus for calculating a volume of a compressed gas storage vessel, a computer, and a medium. According to the method, three test vessels with known volume and initial pressure are used to establish a pressure equilibrium with a compressed gas storage system, and pressure values in three equilibrium states are respectively detected. In this way, according to the three pressure values and the known volumes and initial pressures, a volume of the compressed gas storage system, a volume of a hose, and a pressure value of the compressed gas storage system in an initial state can be quickly and accurately calculated. By accurately obtaining the volume of the compressed gas storage system, the volume of the hose, and the pressure value of the compressed gas storage system in the initial state, a refueling rate can be increased as much as possible while ensuring safe refueling.

Classes IPC  ?

• G01F 17/00 - Procédés ou appareils pour la détermination de la capacité des récipients ou des cavités, ou du volume des corps solides
• F17C 9/02 - Procédés ou appareils pour vider les gaz liquéfiés ou solidifiés contenus dans des récipients non sous pression avec changement d'état, p. ex. vaporisation

Abrégé

Provided is a hybrid refueling station, including: a liquefied fuel unit, a gaseous fuel unit, a temperature management system and a dispensing unit. By combining the liquefied fuel unit with the gaseous fuel unit, boil-off fuel from the liquefied fuel unit is recovered into the gaseous fuel unit, which avoids boil-off loss of liquefied fuel. Provided also is a method for refueling in a hybrid refueling station. By using the gaseous fuel unit to perform a refueling operation during start-up of the liquefied fuel unit, the problem in the prior art of a delay during start-up when the liquefied fuel unit is used is overcome.

Classes IPC  ?

• F17C 7/04 - Vidage des gaz liquéfiés avec changement d'état, p. ex. vaporisation

Abrégé

A method for calculating the volume of a compressed gas storage vessel comprises: three test vessels with known volumes and initial pressure values are used to establish a pressure equilibrium with a compressed gas storage system, and pressure values in three equilibrium states are respectively detected. In this way, according to the pressure values, the known volumes and initial pressure values, a volume of the compressed gas storage system, a volume of a hose, and a pressure value of the compressed gas storage system in an initial state can be quickly and accurately calculated. And an apparatus, a computer, and a medium are provided. By accurately obtaining the volume of the compressed gas storage system, the volume of the hose, and the pressure value of the compressed gas storage system in the initial state, a refueling rate can be increased as much as possible while ensuring safe refueling.

Classes IPC  ?

• F17C 5/06 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz comprimés
• F17C 5/04 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz liquéfiés nécessitant le recours à la réfrigération, p. ex. remplissage avec de l'hélium ou de l'hydrogène

Abrégé

2 capture units. Advantage over current approaches is performance is optimized across a fleet of assets rather than at an individual site.

Classes IPC  ?

• B01D 53/78 - Procédés en phase liquide avec un contact gaz-liquide
• B01D 53/14 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par absorption
• B01D 53/22 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par diffusion

Abrégé

The present invention relates to the field of fuel cell stacks and stack tower or module, in particular to a sealing structure for stack tower and a stack tower. The sealing structure comprises a first component, a second component and a mica spacer, the first component and the second component are opposite to each other, the mica spacer is disposed between the first component and the second component, sealing part is arranged between the mica spacer and at least one of the first component and the second component, and the sealing part comprises a glass ceramic layer and an outer circumferential ceramic cement ring surrounding the glass cement layer; the sealing structure for stack tower has excellent sealing performance and service durability for a fuel cell system.

Classes IPC  ?

• H01M 8/2485 - Dispositions pour le scellement des collecteurs d’admission externesDispositions pour le montage des collecteurs d’admission externes autour de l’empilement

Abrégé

A modified polyglycolic acid, a preparation method therefor and the use thereof. The modified polyglycolic acid comprises a structural unit A derived from polyglycolic acid and a structural unit B derived from a polyisocyanate compound, with the molar ratio of the structural unit A to the structural unit B being ＞400:1. The modified polyglycolic acid has characteristics such as a high weight-average molecular weight, a high melt viscosity and a low melt flow rate. In addition, the tensile strength thereof is high, and the heat stability is also greatly improved.

Classes IPC  ?

• C08G 63/91 - Polymères modifiés par post-traitement chimique
• C08J 7/12 - Modification chimique
• C08J 7/00 - Traitement chimique ou revêtement d'objets façonnés faits de substances macromoléculaires
• C08L 67/04 - Polyesters dérivés des acides hydroxycarboxyliques, p. ex. lactones

Abrégé

The present invention relates to the field of polyglycolic acid modification. Disclosed are a toughening degradable polyglycolic acid composition, and a toughening degradable polyglycolic acid material and a preparation method therefor and a use thereof. The toughening degradable polyglycolic acid composition comprises polyglycolic acid, a biodegradable polyester, and a compatibilizer; the biodegradable polyester comprises a biodegradable homopolyester and/or a copolyester; and the compatibilizer comprises at least one of an epoxy compound, a maleic anhydride-grafted polymer, a maleic anhydride polyolefin copolymer, and an isocyanate compound. The composition can increase the toughness of a prepared toughening degradable polyglycolic acid material, and a full-biodegradable material having high toughness is obtained.

Classes IPC  ?

• C08L 67/04 - Polyesters dérivés des acides hydroxycarboxyliques, p. ex. lactones
• C08L 67/02 - Polyesters dérivés des acides dicarboxyliques et des composés dihydroxylés
• C08L 23/08 - Copolymères de l'éthylène
• C08L 51/06 - Compositions contenant des polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères greffés sur des homopolymères ou des copolymères d'hydrocarbures aliphatiques ne contenant qu'une seule liaison double carbone-carbone
• C08L 25/14 - Copolymères du styrène avec des esters non saturés
• C08L 75/04 - Polyuréthanes
• C08K 5/29 - Composés contenant des liaisons doubles carbone-azote

Abrégé

The invention relates to the field of flow batteries, and in particular relates to a neutral zinc iron flow battery and the use thereof. The neutral zinc iron flow battery comprises a negative electrode electrolyte solution and a positive electrode electrolyte solution, wherein a negative electrode electrolyte in the negative electrode electrolyte solution comprises a first ferrous salt and a zinc salt; the molar ratio of the first ferrous salt to the zinc salt is 0.01 to 0.25 : 1, wherein the first ferrous salt is based on Fe 2+, and the zinc salt is based on Zn 2+. By doping the first ferrous salt in the negative electrode electrolyte solution and defining the molar ratio of the first ferrous salt to the zinc salt, the concentration of the negative electrode electrolyte active material is increased, the permeation of the positive electrode ferrous ions is reduced, and the stability of the negative electrode electrolyte solution is improved; moreover, the negative electrode electrolyte solution delays the generation of zinc dendrites and improves the energy density and cycle stability of the neutral zinc iron flow battery.

Classes IPC  ?

• H01M 8/18 - Éléments à combustible à régénération, p. ex. batteries à flux REDOX ou éléments à combustible secondaires

Abrégé

A system for managing a pressure in an underground cryogenic liquid storage tank includes: a storage tank (1), which is used for containing cryogenic liquid and is buried underground; an internal pump (2), which is located below a liquid level of the cryogenic liquid; an evaporator (3), provided with an upstream end which is in communication with a discharge end of the internal pump (2) and a downstream end which is in communication with a head space via a vapor delivery line (12); a control valve (4), which is disposed on the vapor delivery line (12) downstream of the evaporator (3); and a flow limiter (7), which is disposed on the vapor delivery line (12) upstream of or downstream of the control valve (4). The system can realize efficient pressurization to the storage tank (1) so as to prevent collapsing of the storage tank (1).

Classes IPC  ?

• F17C 7/04 - Vidage des gaz liquéfiés avec changement d'état, p. ex. vaporisation
• F17C 5/04 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz liquéfiés nécessitant le recours à la réfrigération, p. ex. remplissage avec de l'hélium ou de l'hydrogène
• F17C 13/02 - Adaptations spéciales des dispositifs indicateurs, de mesure ou de contrôle
• F17C 13/04 - Disposition ou montage des soupapes

Abrégé

The present invention provides a system and a method for producing an aromatic compound. The system comprises a cracking unit and an aromatization unit, wherein the cracking unit is configured to convert a light alkane into an alkene-containing hydrocarbon containing at least one alkene. The light alkane is selected from a group composed of methane, ethane, propane, butane and a combination thereof. The cracking unit is configured to at least partially feed the alkene-containing hydrocarbon into the aromatization unit. The alkene-containing hydrocarbon contains at least 40% of the at least one alkene. The aromatization unit is used for converting the alkene-containing hydrocarbon therein into a product flow, wherein the product flow comprises an aromatic hydrocarbon, and the aromatic hydrocarbon is selected from a group composed of benzene, toluene, xylene and a combination thereof.

Classes IPC  ?

• C07C 2/76 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant un plus petit nombre d'atomes de carbone par condensation d'hydrocarbures avec élimination partielle d'hydrogène
• C07C 2/42 - Homo- ou co-oligomérisation avec formation de cycle, autre qu'une réaction de Diels-Alder
• C07C 15/02 - Hydrocarbures monocycliques
• C07C 15/04 - Benzène
• C07C 5/333 - Procédés catalytiques
• C07C 4/04 - Procédés thermiques
• C07C 11/04 - Éthylène
• C07C 11/06 - Propène

Abrégé

A system and a method are provided for producing aromatics. Such a system includes a cracker unit configured to convert a light alkane into an olefin-containing hydrocarbon comprising at least one alkene, and an aromatization unit. The light alkane is selected from the group consisting of methane, ethane, propane, butane, and a combination thereof. The cracker unit is configured to at least partially feed the olefin-containing hydrocarbon into the aromatization unit. Such an olefin-containing hydrocarbon comprises at least 40 wt. % of the at least one alkene. The aromatization unit is used to convert the olefin-containing hydrocarbon therein into a product stream, which includes an aromatic hydrocarbon selected from the group consisting of benzene, toluene, xylenes, and a combination thereof.

Classes IPC  ?

• C07C 2/76 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant un plus petit nombre d'atomes de carbone par condensation d'hydrocarbures avec élimination partielle d'hydrogène
• C07C 2/42 - Homo- ou co-oligomérisation avec formation de cycle, autre qu'une réaction de Diels-Alder
• C07C 5/327 - Formation de liaisons doubles carbone-carbone uniquement non aromatiques

Abrégé

The present invention provides a method for producing aromatic hydrocarbon and/or liquid fuel from dehydrogenation aromatization of light hydrocarbon. The method comprises the following steps: 1) carrying out a dehydrogenation reaction on a light hydrocarbon flow under the condition of dehydrogenation, to obtain an olefin-containing flow; and 2) making the olefin-containing flow in contact with an aromatization catalyst under the condition of aromatization, to carry out an oligomer/aromatization reaction to obtain a flow containing aromatic hydrocarbon and/or liquid fuel. The present invention separates dehydrogenation from oligomer/aromatization, is carried out step by step under different conditions, and uses a zeolite molecular sieve loaded with active metal components as the aromatization catalyst, so that under the optimal low-temperature aromatization conditions, the method can obtain higher alkane conversion rate, high utilization rate of carbon, and higher single cycle aromatics production capacity. Moreover, the catalyst has slow deactivation, long one-pass life, easy regeneration and good multi-cycle stability.

Classes IPC  ?

• C07C 2/42 - Homo- ou co-oligomérisation avec formation de cycle, autre qu'une réaction de Diels-Alder
• C07C 15/02 - Hydrocarbures monocycliques
• C10G 50/00 - Production de mélanges d'hydrocarbures liquides à partir d'hydrocarbures à nombre inférieur d'atomes de carbone, p. ex. par oligomérisation

Abrégé

The present invention relates to the technical field of energy storage. Disclosed in the invention are a composite electrode for a flow cell, a flow cell, and a pile. The composite electrode comprises: a distribution layer, used to distribute an electrolyte; a reaction layer used to receive the electrolyte of the distribution layer and provide an electrochemical reaction site for the electrolyte; and a contact layer, used to reduce the contact resistance of the distribution layer so as to reduce the internal resistance of the flow cell. In the present invention, by means of providing a distribution layer, a reaction layer, and a contact layer, an electrochemical reaction site and an electrolyte distribution site of a composite electrode can be effectively separated, the distribution layer being able to greatly reduce dead zones and channeling caused by uneven flow distribution, and the contact layer being able to greatly reduce the internal resistance of a flow cell. Meanwhile, the distribution layer and the reaction layer can be separately and specially designed, thus improving the output power and energy efficiency of a cell or a pile taking the present composite electrode as an anode and/or a cathode.

Classes IPC  ?

• H01M 8/18 - Éléments à combustible à régénération, p. ex. batteries à flux REDOX ou éléments à combustible secondaires
• H01M 4/86 - Électrodes inertes ayant une activité catalytique, p. ex. pour piles à combustible

Abrégé

The present invention relates to the field of silicon fertilizers, and disclosed are a liquid silicon-calcium fertilizer, a preparation method therefor, and the use thereof. The method comprises: (1) putting white mud, a calcium source and an alkali liquor into contact with one another, carrying out a first reaction at 90-110ºC, and subjecting the resulting first product to solid-liquid separation to obtain a first solid; (2) slurrying the first solid to obtain an aqueous slurry, adding a mixed acid solution to the aqueous slurry under stirring conditions for a second reaction, and then subjecting the resulting second product to solid-liquid separation to obtain a second liquid; and (3) adjusting the pH of the second liquid with a pH regulator to 5.5-10, so as to obtain the liquid silicon-calcium fertilizer. The liquid silicon-calcium fertilizer provided by the present invention has a low sodium content, and not only has a higher silicon content, but also has a higher stability.

Classes IPC  ?

• C05D 9/00 - Autres engrais inorganiques
• C05G 1/00 - Mélanges d'engrais faisant partie individuellement de différentes sous-classes de

Abrégé

The present invention relates to the technical field of energy storage. Disclosed in the invention are a composite electrode for a flow cell, a flow cell, and a pile. The composite electrode comprises: a distribution layer, used for distribution of an electrolyte; and a reaction layer, used to receive the electrolyte of the distribution layer, and provide an electrochemical reaction site for the electrolyte. The present invention, by means of providing a distribution layer and a reaction layer, an electrochemical reaction site and an electrolyte distribution site of a composite electrode can be effectively separated, the distribution layer being able to greatly reduce dead zones and channeling caused by uneven flow distribution. Meanwhile, the distribution layer and the reaction layer can be separately and specially designed (for example, a material having high electrochemical activity being used as the reaction layer, and a material having a fluid flow distribution strengthening property and excellent electrical conductivity being used as the distribution layer), thus improving the output power and energy efficiency of a cell or a pile taking the present composite electrode as an anode and/or a cathode.

Classes IPC  ?

• H01M 8/023 - CollecteursSéparateurs, p. ex. séparateurs bipolairesInterconnecteurs poreux et caractérisés par le matériau
• H01M 8/0245 - Composites sous forme de produits en couches ou enrobés
• H01M 8/0258 - CollecteursSéparateurs, p. ex. séparateurs bipolairesInterconnecteurs caractérisés par la configuration des canaux, p. ex. par le champ d’écoulement du réactif ou du réfrigérant
• H01M 4/86 - Électrodes inertes ayant une activité catalytique, p. ex. pour piles à combustible
• H01M 8/18 - Éléments à combustible à régénération, p. ex. batteries à flux REDOX ou éléments à combustible secondaires
• H01M 8/2455 - Groupement d'éléments à combustible, p. ex. empilement d'éléments à combustible avec des réactifs liquides, solides ou chargés en électrolyte

Abrégé

The present disclosure relates to the technical field of supplying vehicles with energy, and discloses a supply station and a method capable of charging electricity and filling with hydrogen gas simultaneously or separately, the supply station comprising: a power supply unit, a storage battery system, a device capable of converting electric power into hydrogen gas, a hydrogen gas storage system, a device capable of converting hydrogen gas into electric power, a charger and a hydrogen dispenser; the power supply unit is connected with the storage battery system to deliver power; the storage battery system is connected with the device capable of converting electric power into hydrogen gas so as to convert the electric power provided by the storage battery system into hydrogen gas; the device capable of converting electric power into hydrogen gas is connected with the hydrogen gas storage system to store hydrogen gas in the hydrogen gas storage system; the hydrogen gas storage system is connected with the device capable of converting hydrogen into electric power. Compared with the supply station and the method provided by the prior art, the supply station and the method provided by the present disclosure can perform dynamic adjustments according to the requirements of the electric vehicles and hydrogen-powered vehicles, and reduce device investment and relieve the limitation of the electricity storage amount of the storage battery system and the hydrogen storage amount of the hydrogen gas storage system.

Classes IPC  ?

• B60L 53/30 - Détails de construction des stations de charge
• F17D 1/04 - Systèmes de canalisation pour gaz ou vapeurs pour la distribution du gaz
• H02J 7/02 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge des batteries par réseaux à courant alternatif au moyen de convertisseurs
• B60L 50/75 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de la puissance de propulsion fournie à la fois par des piles à combustible et des batteries
• B60L 53/53 - Batteries
• B60L 53/54 - Piles à combustible

Abrégé

a is denoted by the unit of nm. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity.

Classes IPC  ?

• C01B 32/05 - Préparation ou purification du carbone non couvertes par les groupes , , ,

Abrégé

amor of the amorphous carbon phase as measured by the X-Ray Diffraction (XRD) is within a range of 0.1-40, the graphite crystalline phase is uniformly dispersed in the composite material, the dispersion coefficient δ of the ratio Id/Ig of Id and Ig as measured by Raman data is less than 0.8. The silicon-carbon composite material provided by the present disclosure can be used as an anode material of a lithium ion battery, such that the lithium ion battery has desirable first charge and discharge performance and cycle stability, and the service life of the lithium ion battery can be prolonged.

Classes IPC  ?

• H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
• H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
• H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
• H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
• H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif

Abrégé

3≤0.425; (3) the amorphous carbon material contains 0.001-2% of a silicon component and 0.001-2% of an aluminum component, based on the total mass of the amorphous carbon material. The amorphous carbon material prepared by the present disclosure has desirable heat transfer performance and can provide high battery capacity.

Classes IPC  ?

• H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
• H01M 4/02 - Électrodes composées d'un ou comprenant un matériau actif
• H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
• H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
• H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium

Abrégé

A composite carbon material and a preparation method and a use thereof. The composite carbon material comprises a graphite crystal phase and an amorphous carbon phase, wherein the ratio I002/Iamor of the peak intensity I002 of the graphite crystal phase (002) plane relative to the peak intensity Iamor of the amorphous carbon phase as measured by the X-Ray Diffraction (XRD) is within a range of 0.1-40, and the content of the graphite crystal phase is not less than 5 wt %. The composite carbon material has high compressive strength, bending strength and thermal conductivity, and can be used as a heat dissipation material; the composite carbon material can also be used as an anode material of a lithium ion battery such that the lithium ion battery exhibits excellent electrochemical performance.

Classes IPC  ?

• C01B 32/05 - Préparation ou purification du carbone non couvertes par les groupes , , ,
• H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium

Abrégé

2222325223252233-SCR denitration.

Classes IPC  ?

• B01J 27/18 - PhosphoreSes composés contenant de l'oxygène avec des métaux
• B01D 53/86 - Procédés catalytiques
• B01D 53/56 - Oxydes d'azote
• C01G 23/047 - Dioxyde de titane
• C22B 3/08 - Acide sulfurique
• C22B 34/12 - Obtention du titane

Abrégé

A polypropylene modifying agent and a preparation method therefor, a polypropylene composition containing said polypropylene modifying agent, and a polypropylene material and a preparation method therefor. The preparation method for the polypropylene modifying agent comprises: bringing the polar monomer graft polypropylene in formulation (1) or formulation (2) into contact with component A for reactive extrusion granulation, and drying; the polar monomer in the polar monomer graft polypropylene can chemically react with component A; in formulation (1), the polar monomer is selected from maleic anhydride, acrylic acid, and acrylate, and component A is selected from polyisocyanate and the like; and in formulation (2), the polar monomer is selected from dimethylamino methacrylate and epoxy acrylate, and component A is selected from polyisocyanate and polyethylene oxide. When introduced into ordinary linear polypropylene, the present polypropylene modifying agent can significantly improve the melt strength and mechanical properties of the polypropylene.

Classes IPC  ?

• C08G 81/02 - Composés macromoléculaires obtenus par l'interréaction de polymères en l'absence de monomères, p. ex. polymères séquencés au moins un des polymères étant obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carbone
• C08L 23/12 - Polypropylène
• C08L 87/00 - Compositions contenant des composés macromoléculaires non spécifiés, obtenus autrement que par des réactions de polymérisation ne faisant intervenir que des liaisons non saturées carbone-carbone
• C08L 51/06 - Compositions contenant des polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères greffés sur des homopolymères ou des copolymères d'hydrocarbures aliphatiques ne contenant qu'une seule liaison double carbone-carbone
• C08F 8/00 - Modification chimique par post-traitement
• C08F 255/02 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères d'hydrocarbures tels que définis dans le groupe sur des polymères d'oléfines contenant deux ou trois atomes de carbone
• C08F 8/32 - Introduction d'atomes d'azote ou de groupes contenant de l'azote par réaction avec des amines

Abrégé

A foamable polypropylene composition, and foamed polypropylene and a preparation method therefor. The polypropylene composition comprises polypropylene, a polypropylene modifier, a foaming agent, and an optional nucleating agent. A method for preparing the polypropylene modifier comprises: enabling polar monomer grafting polypropylene to be in contact with component A to react and carrying out extruding pelletizing, wherein a polar monomer in the polar monomer grafting polypropylene can chemically react with component A; the polar monomer is selected from at least one of dimethylamino methacrylate, acrylic epoxy ester, trimeric acrylic isocyanurate, and acrylamide; component A is selected from at least one of polyisocyanates, polyethylene oxide, and an amido-containing substance. The foamed polypropylene has an obtained foaming rate of 12 times or more, and also has high tensile and bending properties.

Classes IPC  ?

• C08L 23/12 - Polypropylène
• C08L 23/14 - Copolymères du propylène
• C08L 23/26 - Compositions contenant des homopolymères ou des copolymères d'hydrocarbures aliphatiques non saturés ne possédant qu'une seule liaison double carbone-carboneCompositions contenant des dérivés de tels polymères modifiées par post-traitement chimique
• C08F 8/46 - Réaction avec des acides dicarboxyliques non saturés ou avec leurs anhydrides, p. ex. maléinisation
• C08J 9/04 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable

Abrégé

11 of an Si element to an Al element within 10 nm of the surface is (300-2000):1. The single crystal of the composite ZSM-5 molecular sieve of the present invention has a large ratio of the number of sinusoidal pore openings to the number of straight pore openings, and is aluminum-poor on the surface and aluminum-rich on the inside. When applied to the toluene methanol alkylation reaction to prepare p-xylene, the selectivity of p-xylene may be greatly improved.

Classes IPC  ?

• B01J 29/40 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes du type pentasil, p. ex. types ZSM-5, ZSM-8 ou ZSM-11
• B01J 35/10 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides caractérisés par leurs propriétés de surface ou leur porosité
• C07C 2/86 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant un plus petit nombre d'atomes de carbone par condensation d'un hydrocarbure et d'un non-hydrocarbure
• C07C 15/08 - Xylènes
• C07C 6/12 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant un nombre différent d'atomes de carbone par des réactions de redistribution par conversion d'une liaison carbone-carbone saturée exclusivement dans les hydrocarbures contenant un cycle aromatique à six chaînons

Abrégé

4 and higher selectivity of effective products.

Classes IPC  ?

• B01J 37/18 - Réduction avec des gaz contenant de l'hydrogène libre
• B01J 27/22 - Carbures
• B01J 35/02 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides
• C10G 2/00 - Production de mélanges liquides d'hydrocarbures de composition non définie à partir d'oxydes de carbone

Abrégé

4 and higher selectivity of effective products.

Classes IPC  ?

• B01J 27/22 - Carbures
• B01J 21/08 - Silice
• B01J 21/04 - Alumine
• B01J 21/06 - Silicium, titane, zirconium ou hafniumLeurs oxydes ou hydroxydes
• B01J 35/02 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides
• B01J 37/02 - Imprégnation, revêtement ou précipitation
• B01J 37/08 - Traitement thermique
• B01J 37/18 - Réduction avec des gaz contenant de l'hydrogène libre
• C07C 1/04 - Préparation d'hydrocarbures à partir d'un ou plusieurs composés, aucun d'eux n'étant un hydrocarbure à partir d'oxydes de carbone à partir de monoxyde de carbone avec de l'hydrogène
• C10G 2/00 - Production de mélanges liquides d'hydrocarbures de composition non définie à partir d'oxydes de carbone

Abrégé

Disclosed are an aromatization catalyst, a preparation method therefor, and an application thereof, and a light olefin aromatization method, pertaining to the field of aromatization of light olefins into aromatics. The aromatization catalyst comprises a microporous material, a binder, and a modifier. The microporous material is a zeolite molecular sieve, the binder is alumina, the modifier is phosphorus, and the molar ratio of aluminum to phosphorus in the binder is greater than or equal to 1 and less than 5. The ratio of acidity of a strong acid site to the acidity of a weak acid site of the olefin aromatization catalyst is less than 1. The aromatization catalyst can aromatize a light olefin to generate an aromatic. The catalyst has high stability, and the aromatic product has good selectivity, and the catalyst can also effectively reduce the generation of methane and coke.

Classes IPC  ?

• B01J 29/40 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes du type pentasil, p. ex. types ZSM-5, ZSM-8 ou ZSM-11
• B01J 27/14 - PhosphoreSes composés
• B01J 21/04 - Alumine
• C07C 15/08 - Xylènes
• C07C 15/04 - Benzène
• C07C 15/06 - Toluène

Abrégé

The present discloses an aromatization catalyst, preparation process and application thereof and a low-carbon olefin aromatization process. The aromatization catalyst comprises a microporous material, a binder and a modifier; the microporous material is a zeolite molecular sieve, the binder is alumina, the modifier is phosphorus, and the molar ratio of the aluminum element in the binder to the phosphorus element is more than or equal to 1 and less than 5; the ratio of the acidity of the strongly acidic sites to the acidity of the weakly acidic sites of the olefin aromatization catalyst is less than 1.

Classes IPC  ?

• B01J 29/44 - Métaux nobles
• B01J 21/04 - Alumine
• B01J 27/16 - PhosphoreSes composés contenant de l'oxygène
• B01J 37/04 - Mélange
• B01J 37/00 - Procédés de préparation des catalyseurs, en généralProcédés d'activation des catalyseurs, en général
• B01J 37/02 - Imprégnation, revêtement ou précipitation
• B01J 37/10 - Traitement thermique en présence d'eau, p. ex. de vapeur d'eau
• C07C 2/42 - Homo- ou co-oligomérisation avec formation de cycle, autre qu'une réaction de Diels-Alder
• B01J 37/08 - Traitement thermique
• B01J 29/83 - Aluminophosphates [composés APO]
• B01J 37/28 - Phosphoration
• B01J 29/46 - Métaux du groupe du fer ou cuivre
• B01J 29/48 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes du type pentasil, p. ex. types ZSM-5, ZSM-8 ou ZSM-11 contenant de l'arsenic, de l'antimoine, du bismuth, du vanadium, du niobium, du tantale, du polonium, du chrome, du molybdène, du tungstène, du manganèse, du technétium ou du rhénium
• B01J 29/04 - Catalyseurs contenant des tamis moléculaires ayant des propriétés d'échangeurs de base, p. ex. zéolites cristallines, argiles pontées
• B01J 29/40 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes du type pentasil, p. ex. types ZSM-5, ZSM-8 ou ZSM-11
• B01J 29/42 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes du type pentasil, p. ex. types ZSM-5, ZSM-8 ou ZSM-11 contenant des métaux du groupe du fer, des métaux nobles ou du cuivre
• B01J 38/02 - Traitement thermique
• B01J 29/90 - Régénération ou réactivation
• B01J 38/12 - Traitement avec un gaz contenant de l'oxygène libre
• C07C 15/06 - Toluène
• C07C 15/08 - Xylènes
• C07C 15/04 - Benzène
• C07C 2/46 - Procédés catalytiques

Abrégé

A catalyst that includes heterogeneous metal carbide nanomaterials and a novel preparation method to synthesize the metal carbide nanomaterials under relatively mild conditions to form an encapsulated transition metal and/or transition metal carbide nanoclusters in a support and/or binder. The catalyst may include confined platinum carbide nanoclusters. The preparation may include the treatment of encapsulated platinum nanoclusters with ethane at elevated temperatures. The catalysts may be used for catalytic hydrocarbon conversions, which include but are not limited to, ethane aromatization, and for selective hydrogenation, with negligible green oil production.

Classes IPC  ?

• B01J 37/00 - Procédés de préparation des catalyseurs, en généralProcédés d'activation des catalyseurs, en général
• B01J 27/22 - Carbures
• B01J 27/00 - Catalyseurs contenant les éléments halogènes, soufre, sélénium, tellure, phosphore ou azote ou leurs composésCatalyseurs contenant des composés du carbone

Abrégé

A catalyst that includes heterogeneous metal carbide nanomaterials and a novel preparation method to synthesize the metal carbide nanomaterials under relatively mild conditions to form an encapsulated transition metal and/or transition metal carbide nanoclusters in a support and/or binder. The catalyst may include confined platinum carbide nanoclusters. The preparation may include the treatment of encapsulated platinum nanoclusters with ethane at elevated temperatures. The catalysts may be used for catalytic hydrocarbon conversions, which include but are not limited to, ethane aromatization, and for selective hydrogenation, with negligible green oil production.

Classes IPC  ?

• B01J 27/22 - Carbures
• C07C 2/76 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant un plus petit nombre d'atomes de carbone par condensation d'hydrocarbures avec élimination partielle d'hydrogène
• C07C 15/00 - Hydrocarbures cycliques ne contenant que des cycles aromatiques à six chaînons en tant que partie cyclique

Abrégé

A catalyst that includes heterogeneous metal carbide nanomaterials and a novel preparation method to synthesize the metal carbide nanomaterials under relatively mild conditions to form an encapsulated transition metal and/or transition metal carbide nanoclusters in a support and/or binder. The catalyst may include confined platinum carbide nanoclusters. The preparation may include the treatment of encapsulated platinum nanoclusters with ethane at elevated temperatures. The catalysts may be used for catalytic hydrocarbon conversions, which include but are not limited to, ethane aromatization, and for selective hydrogenation, with negligible green oil production.

Classes IPC  ?

• B01J 27/22 - Carbures
• B01J 6/00 - CalcinationCuisson
• B01J 29/40 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes du type pentasil, p. ex. types ZSM-5, ZSM-8 ou ZSM-11
• B01J 35/30 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général caractérisés par leurs propriétés physiques
• B01J 35/40 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général caractérisés par leurs dimensions, p. ex. granulométrie
• B01J 35/60 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général caractérisés par leurs propriétés de surface ou leur porosité
• B01J 37/00 - Procédés de préparation des catalyseurs, en généralProcédés d'activation des catalyseurs, en général
• B01J 37/04 - Mélange
• B01J 37/16 - Réduction
• C07C 5/09 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant le même nombre d'atomes de carbone par hydrogénation de liaisons triples carbone-carbone en liaisons doubles carbone-carbone
• C07C 11/04 - Éthylène

Abrégé

A catalyst that includes heterogeneous metal carbide nanomaterials and a novel preparation method to synthesize the metal carbide nanomaterials under relatively mild conditions to form an encapsulated transition metal and/or transition metal carbide nanoclusters in a support and/or binder. The catalyst may include confined platinum carbide nanoclusters. The preparation may include the treatment of encapsulated platinum nanoclusters with ethane at elevated temperatures. The catalysts may be used for catalytic hydrocarbon conversions, which include but are not limited to, ethane aromatization, and for selective hydrogenation, with negligible green oil production.

Classes IPC  ?

• B01J 27/22 - Carbures
• B01J 29/40 - Zéolites aluminosilicates cristallinesLeurs composés isomorphes du type pentasil, p. ex. types ZSM-5, ZSM-8 ou ZSM-11
• B01J 35/00 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général
• C07C 11/04 - Éthylène
• B01J 35/10 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides caractérisés par leurs propriétés de surface ou leur porosité
• B01J 35/02 - Catalyseurs caractérisés par leur forme ou leurs propriétés physiques, en général solides
• C07C 5/09 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant le même nombre d'atomes de carbone par hydrogénation de liaisons triples carbone-carbone en liaisons doubles carbone-carbone
• B01J 6/00 - CalcinationCuisson
• B01J 37/00 - Procédés de préparation des catalyseurs, en généralProcédés d'activation des catalyseurs, en général
• B01J 37/04 - Mélange
• B01J 37/16 - Réduction