The present invention relates to a zeolite material in the form of FAU zeolite nanocrystal aggregates, to the method for preparing said material, to the zeolite agglomerates prepared from said material with a binder, and to the uses of said material and agglomerate as adsorbents for gas-phase or liquid-phase separation operations, and particularly in methods for separating gas or liquid flows.
The invention relates to a method for separating meta-xylene from C8 aromatic fractions, using a zeolitic adsorbent based on sodium-exchanged or sodium-and-lithium-exchanged agglomerated crystals of zeolite Y, with a large external surface area.
C07C 7/13 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
3.
ZEOLITE ADSORBENTS WITH LOW BINDER CONTENT AND LARGE EXTERNAL SURFACE AREA, METHOD FOR PREPARATION OF SAME AND USES THEREOF
The present invention relates to a zeolite absorbent comprising at least one FAU zeolite with hierarchical porosity and comprising barium or barium and potassium, and the external surface area of which is greater than 20 m2.g-1, and the non-zeolite phase content being between 6% and 12% by weight with respect to the total weight of the absorbent. The present invention also relates to the use of such a zeolite absorbent as an adsorption agent, as well as the method for separation of para-xylene from aromatic isomer fractions with 8 carbon atoms.
B01J 20/30 - Processes for preparing, regenerating or reactivating
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
4.
ZEOLITIC ABSORBENTS COMPRISING A ZEOLITE WITH HIERARCHICAL POROSITY
The invention relates to zeolitic absorbents based on at least one zeolite with hierarchical porosity, containing barium or barium and potassium, to the uses thereof for separating para-xylene from aromatic fractions containing 8 carbon atoms, and to the method for separating para-xylene from aromatic fractions containing 8 carbon atoms.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
5.
ZEOLITIC GRANULAR MATERIAL HAVING A CONNECTED STRUCTURE
The present invention relates to a zeolitic granular material having a connected zeolitic structure across the entire volume thereof, having high mechanical resistance to crushing in the bed, and optimised material transfer in the macro-mesopores. The invention also relates to the method for preparing said zeolitic granular material, as well as to the use thereof as an adsorbent material in co-current or counter-current liquid phase separation methods, typically in a simulated mobile bed.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
6.
ZEOLITIC ADSORBENTS WITH LARGE EXTERNAL SURFACE AREA, PROCESS FOR PREPARING SAME AND USES THEREOF
The present invention relates to zeolitic adsorbents based on agglomerated crystals of FAU zeolite comprising barium and/or potassium, with a large external surface area, combining optimum properties in terms of selectivity and mechanical strength. These adsorbents find applications in the separation of fractions of C8-aromatic isomers and in particular of xylenes, in the separation of isomers of substituted toluene such as nitrotoluene, diethyltoluene or toluenediamine, and in the separation of cresols, and polyhydric alcohols, such as sugars.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
C07C 7/13 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
B01D 53/08 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents according to the "moving bed" method
The present invention concerns Y-type FAU zeolites with hierarchical porosity having an Si/AI atomic ratio strictly greater than 1.4 and less than or equal to 6, having controlled and optimised crystallinity, and having mesoporosity such that the mesoporous outer surface area is between 40 m2. g-1 and 400 m2. g-1. The present invention also concerns the method for preparing said Y-type FAU zeolites with hierarchical porosity.
The present invention concerns zeolite materials in the form of agglomerates comprising at least one mesoporous zeolite, Faujasite, having an Si/Al ratio strictly higher than 1.4 and having, at the same time, the characteristics of mesoporous zeolites, the properties associated with microporosity, and the mechanical properties of zeolite agglomerates without a mesoporous zeolite. The invention also concerns the method of preparing said zeolite materials in the form of agglomerates.
C01B 39/02 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereofDirect preparation thereofPreparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactantsAfter-treatment thereof
B01J 29/08 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereof of the faujasite type, e.g. type X or Y
B01J 35/10 - Solids characterised by their surface properties or porosity
The present invention concerns zeolites with hierarchical porosity having a molar ratio Si/AI of between 1 and 1.4, inclusive, of which the average diameter, as a number, is between 0.1 μm and 20 μm, having controlled and optimised crystallinity, and having mesoporosity such that the mesoporous outer surface area is between 40 m2. g-1 and 400 m2.g-1. The present invention also concerns the method for preparing said zeolites with hierarchical porosity.
The present invention concerns zeolite materials in the form of agglomerates comprising at least one mesoporous zeolite and having both the features of mesoporous zeolites, the properties linked to microporosity and the mechanical properties of zeolite agglomerates without a mesoporous zeolite. The invention also concerns the method for preparing said zeolite materials in the form of agglomerates.
C01B 39/02 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereofDirect preparation thereofPreparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactantsAfter-treatment thereof
The present invention relates to industrial bitumen compositions, including at least one industrial bitumen and at least one surface-active agent for reducing the viscosity of said bitumen. The present invention also relates to the use of said industrial bitumen compositions for preparing products containing industrial bitumen as well as to the resulting products.
The present invention relates to formulations for inhibiting the corrosion of the metals used in the oil industry, and more generally in all types of industries for drilling for fossil compounds or ores, such as gas or oil. The corrosion-inhibiting formulations are stable during storage, and have improved properties due to the presence of at least one compound having at least one triazine unit. The invention also relates to the use of at least one compound comprising at least one triazine unit in a corrosion-inhibiting formulation, as well as to the use of said corrosion-inhibiting formulation in the oil, gas and mining industry.
C23F 11/10 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
C09K 8/54 - Compositions for in situ inhibition of corrosion in boreholes or wells
C09K 8/74 - Eroding chemicals, e.g. acids combined with additives added for specific purposes
E21B 41/02 - Equipment or details not covered by groups in situ inhibition of corrosion in boreholes or wells
C07D 251/04 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
13.
ZEOLITE ADSORBENTS COMPRISING EMT ZEOLITE, METHOD FOR PREPARING SAME AND USES THEREOF
The present invention concerns zeolite adsorbents made from agglomerated EMT zeolite crystals comprising barium and/or potassium. These adsorbents can be applied in the separation of C8 aromatic isomer fractions and in particular xylenes, in the separation of substituted toluene isomers such as nitrotoluene, diethyltoluene and toluenediamine, and in the separation of cresols, and polyhydric alcohols, such as sugars.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
The present invention relates to the use of additives of polyamine type having acid function(s) in order to emulsify bituminous compositions intended for the preparation of cold bituminous mixes. The present invention also relates to bitumen compositions in the form of emulsions comprising said additives, and also the cold bituminous mixes prepared from said bitumen emulsions.
C08L 95/00 - Compositions of bituminous materials, e.g. asphalt, tar or pitch
C04B 26/26 - Bituminous materials, e.g. tar, pitch
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
The invention relates to a method for separating xylenes by means of a simulated mobile bed using an agglomerated zeolitic adsorbent solid, preferably based on faujasite zeolite with a Si/Al ratio of between 1 and 6, said solid being used in the form of particles having a diameter of between 150 μm et 500 μm.
C07C 7/13 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
16.
ZEOLITIC ADSORBENTS, PROCESS FOR PREPARING SAME AND USES THEREOF
The present invention relates to zeolitic adsorbents based on small agglomerated crystals of zeolite X comprising barium, combining optimum properties in terms of selectivity and of mechanical strength. These adsorbents have applications in the separation of fractions of aromatic C8 isomers and in particular xylenes, in the separation of substituted toluene isomers, such as nitrotoluene, diethyltoluene or toluenediamine, in the separation of cresols, and in the separation of polyhydric alcohols, such as sugars.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
C07C 29/76 - SeparationPurificationStabilisationUse of additives by physical treatment
C07C 37/82 - SeparationPurificationStabilisationUse of additives by physical treatment by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by physical treatment by chemisorption
C07C 7/13 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
The present invention relates to alcoxylated-fatty-polyamine-based collectors for the flotation enrichment of aqueous ore suspensions, and to the use of said alcoxylated-fatty-polyamine-based collectors in flotation processes for ore enrichment, more particularly in reverse flotation processes for the enrichment of ores containing silicates.
The present invention relates to fatty-amidoamine-based collectors for the flotation enrichment of aqueous ore suspensions, and to the use of said fatty-amidoamine-based collectors in flotation processes for ore enrichment, more particularly in reverse flotation processes for the enrichment of ores containing silicates.
The present invention concerns the use, as a cationic surfactant for preparing bitumen emulsions, of at least one emulsifier comprising, and preferably consisting of: a) at least one alkoxylated amine, preferably comprising at least 5 alkyleneoxy units, and comprising at least one hydrocarbon chain, preferably a hydrocarbon chain comprising between 8 and 30 carbon atoms, inclusive; and b) at least one carboxylic acid of formula R'-COOH, in which R' represents a hydrocarbon chain comprising between 7 and 12 carbon atoms, inclusive, optionally comprising one or a plurality of unsaturations in the form of (a) double and/or triple bond(s). The invention also concerns bitumen emulsions prepared from said emulsifier, and the coated products prepared with said emulsions.
The present invention relates to a method of improving the incorporation of recycled bituminous products by using at least one surfactant as an alternative to the known rejuvenating oils, for the preparation of asphalt mixes containing recycled bituminous products. The use of such alternative surfactant(s) results in better mechanical properties of the asphalt mix, while using smaller amounts of fresh bitumen and greater amounts of recycled bituminous products.
C04B 26/00 - Compositions of mortars, concrete or artificial stone, containing only organic binders
C04B 26/26 - Bituminous materials, e.g. tar, pitch
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
21.
INHIBITORS OF TOP-OF-LINE CORROSION OF PIPELINES CONVEYING CRUDES FROM EXTRACTION OF HYDROCARBONS
The invention relates to a composition for inhibiting corrosion of the upper part (or roof) of a pipeline for conveying wet hydrocarbons, i.e. hydrocarbons comprising a variable amount of water, said composition comprising at least one Amine 1 with vapour pressure greater than or equal to 10 mmHg, and at least one Amine 2 with vapour pressure greater than or equal to 0.1 mmHg and strictly less than 10 mmHg. The invention also relates to the use of such a composition, and also to the method of inhibiting top-of-line corrosion employing said inhibitor composition.
C23F 11/02 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in air or gases by adding vapour phase inhibitors
C23F 11/04 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly acid liquids
C10G 7/10 - Inhibiting corrosion during distillation
C10G 75/02 - Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general by addition of corrosion inhibitors
22.
BIFUNCTIONAL ANTI-DEPOSIT AND ANTI-CORROSION ADDITIVES
The invention concerns bifunctional compositions usable in the field of extraction of hydrocarbons, oil and/or gas, said compositions being homogeneous, clear and stable and comprising at least one anti-mineral-deposit additive, at least one corrosion inhibitor, and at least one agent for compatibilizing between the anti-mineral-deposit additive and the corrosion inhibitor.
The invention relates to a method for reducing the total acidity of refrigerant compositions comprising at least one refrigerant fluid with at least one lubricant, said method including at least one step in which the composition is brought into contact with at least one zeolite adsorbent containing zeolite powder or zeolite agglomerates.
The invention relates to the use of zeolites or zeolite-based agglomerates in order to improve the thermal stability of oils and, in particular, the invention relates to the use of said zeolite compositions in order to stabilise oils or oil-based formulations used in the composition of refrigerant fluids.
The present invention relates to the use of dispersions of branched polymers, containing fatty chains, as heat exchange fluid comprising an aqueous or aqueous-organic, continuous, liquid and homogeneous dispersing phase, and at least one dispersed phase consisting of the particles of said polymer(s). The present invention also relates to heat exchange and heat storage systems comprising at least one such dispersion of polymers.
C08J 3/05 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
C09K 5/06 - Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice-versa
F28D 20/02 - Heat storage plants or apparatus in generalRegenerative heat-exchange apparatus not covered by groups or using latent heat
The invention relates to the use of non-volatile, non-toxic solvents for the spectrocolorimetry-based quantitative determination of organonitrogen compounds, particularly amines and derivatives, in any aqueous medium, replacing the chloroform normally used for the extraction of coloured complexes, in particular those formed with the aforementioned organonitrogen compounds and methyl orange, bromocresol purple and others.
G01N 31/22 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroupsApparatus specially adapted for such methods using chemical indicators
G01N 21/78 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
27.
AQUEOUS FORMULATION WITH ANTI-CAKING AND HYDROPHOBING PROPERTIES
The present invention relates to aqueous formulations in the form of oil-in-water emulsions including at least one fatty primary amine, intended to be applied to powder or granulated mineral products in order to prevent said products from caking and taking in water. The present invention also relates to the method for applying the emulsions to the aforementioned mineral products, said method being performed at ambient temperature.
The present invention relates to a bituminous composition comprising at least one bitumen and at least one polyolefin capable of forming a supramolecular assembly comprising one or more associative group(s).The present invention also relates to the use of such bituminous composition for the preparation of asphalt mixtures useful for the coating of rolling surfaces, for the preparation of water-proofing coatings, and for the preparation of adhesive formulations.
The present invention relates to a bituminous composition containing at least one bitumen and at least one condensation polymer capable of forming a supramolecular structure and including one or more associative groupings. The present invention also relates to the use of such a bituminous composition in the production of coated materials usable for coating surfaces suitable for motor vehicles, in the production of damp-proofing coatings, and in the production of adhesive compositions.
C08G 69/34 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids using polymerised unsaturated fatty acids
C04B 26/26 - Bituminous materials, e.g. tar, pitch
E01C 7/26 - Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
C09J 195/00 - Adhesives based on bituminous materials, e.g. asphalt, tar or pitch
30.
MIXTURE OF ADDITIVES FOR PREPARING COATED MATERIALS
The present invention relates to mixtures of bitumen additives, to the use thereof, and to the application thereof to the manufacture of coated materials used in pavements, sealing processes, and more specifically to the construction, repair, and maintenance of sidewalks, roads, highways, parking lots, airport runways, service roads, and all other roadway surfaces.
The present invention relates to an agglomerated zeolite adsorbent containing at least one polymer matrix that is greatly laden with at least one zeolite adsorbent. The invention also relates to the method for preparing such an adsorbent and to the uses thereof, particularly as an adsorbent of moisture, odors, volatile organic components, and the like.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01D 53/28 - Selection of materials for use as drying agents
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
32.
BITUMINOUS COMPOSITIONS AND ASPHALT MIXTURES WITH IMPROVED PROPERTIES
This invention relates to bituminous compositions and the production of asphalt mixtures at reduced temperatures, wherein the bituminous composition comprises at least one additive and is aged for a given period of time. The asphalt mixtures have significantly enhanced performances, making said asphalt mixtures easier to lay off and compact. The invention also relates to applications of said asphalts mixtures in waterproofing, construction or maintenance of sidewalks, roads, highways, parking lots or airport runways and service roads as well as any rolling surfaces.
C08L 95/00 - Compositions of bituminous materials, e.g. asphalt, tar or pitch
E01C 19/10 - Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resinsApparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
The present invention relates to low-toxicity biodegradable compounds that inhibit metal corrosion, said compounds being salts obtained through the reaction of a carboxylic diacid with an imidazoline derivative. The invention also relates to the use of said corrosion-inhibiting compounds in all types of industries for drilling ore or fossil compounds, such as gas or oil.
The invention relates to the use, as an additive for bituminous products, of a composition containing at least one compound of the general formula (1) G-CO-CH2-N+(R1 R2R3) X- (1) where: G- is selected from R-O-A-, R'-O-A- and R'-O-; R is an optionally hydroxylated hydrocarbon chain; R’ is an optionally hydroxylated hydrocarbon chain substituted by at least one and preferably one or two -0-CO-CH2-N+(R1R2R3) X- groups; A is a divalent radical including m ethoxy and/or propoxy links; R1, R2 and R3 are identical or different and each represent a C1-C4 alkyl radical; and X is a halogen radical or the mesyl radical. The invention also relates to the applications of said composition, and to bituminous products containing the same.
The present invention relates to lubricants for a container conveyor chain, particularly useful in the agri-food industry. The invention also relates to the method for preparing said lubricants, the lubricating compositions containing same, the implementation of said lubricants or lubricating compositions, and the spraying kit for said lubricants or lubricating compositions.
The present invention relates to a composition comprising: i) from 50% to 100% by weight, relative to the weight of the composition, of a surfactant of the following formula (I): R-CO-O-(CH2)2-N+(R1R2R3)X1-(I) in which: R is an optionally hydroxylated, linear or branched, saturated or unsaturated C4-C32, preferably C7-C21, hydrocarbon-based chain, R1, R2 and R3 each represent, independently of one another, a C1-C4 alkyl radical, X1 is a halogen or mesyl radical, ii) from 0 to 15% by weight, relative to the weight of the composition, of HX1, iii) from 0 to 40% by weight, relative to the weight of the composition, of a fatty acid of formula (III) R-CO-OH, and iv) from 0 to 40% by weight, relative to the weight of the composition, of a compound of formula (IV) HO-(CH2)2-N+(R1R2R3)X1-; in which composition i) + ii) + iii) + iv) represents 100% by weight of the total weight of the composition. The present invention also relates to bituminous compositions comprising at least one compound of formula (I) and/or at least one composition as defined above.
This invention relates to the modification of bitumen by polymeric materials used particularly for the preparation of asphalt mixtures with enhanced mechanical properties, wherein the polymeric materials are selected from additives capable of forming a supramolecular assembly. The modified bitumen may be used for the fabrication of asphalts mixtures with mineral aggregates used in construction or maintenance of sidewalks, roads, highways, parking lots or airport runaways and service roads and any other rolling surfaces.
The invention relates to a method for purifying a natural gas, that comprises the following steps: a) purifying said gas by adsorption of the light mercaptans by contact with an adsorbing material; b) mixing a gaseous effluent with a hydrocarbon-displacement gas; c) feeding the mixture obtained in step b) through the mercaptan-loaded adsorbing material, the amount of displacement agent fed into the adsorbing material being lower than or equal to 50 mass % of the displacement-agent maximum adsorption capacity on the adsorbing material; d) carrying out a thermal desorption, using a purge gas, of the hydrocarbon-displacement agent fed during step c); e) cooling down the adsorbing material using another gaseous effluent or directly using the gas to be purified.
C10L 3/10 - Working-up natural gas or synthetic natural gas
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
The invention relates to a faujasite X zeolite with a low silica content, more precisely an LSX zeolite with an Si/Al atomic ratio of 1.15 or less, having a high degree of crystallinity, the crystals of the zeolite having a controlled particle size distribution. The present invention also relates to a method of preparing said LSX zeolite.
The invention relates to agglomerated zeolitic adsorbents based on faujasite X zeolite powder having a low silica content and small crystals, said zeolite being exchanged with barium, or based on faujasite X zeolite having a low silica content and small crystals, this zeolite being exchanged both with barium and potassium. The invention also relates to the method of preparing said agglomerated zeolitic adsorbents and to the uses thereof in the separation of sugars, polyhydric alcohols, substituted-toluene isomers and cresols or in the recovery of very-pure paraxylene.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
C07C 7/13 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
C07C 37/82 - SeparationPurificationStabilisationUse of additives by physical treatment by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by physical treatment by chemisorption
C07C 201/16 - SeparationPurificationStabilisationUse of additives
41.
AGGLOMERATED ZEOLITIC ADSORBENTS, METHOD OF PREPARING THEM AND USES THEREOF
The present invention relates to agglomerated zeolitic adsorbents based on X zeolite and LSX zeolite powders. These adsorbents are particularly well suited for the separation of C8 aromatic isomers and especially xylenes, for the separation of sugars, for the separation of polyhydric alcohols, for the separation of substituted-toluene isomers, such as nitrotoluene, diethyltoluene and toluenediamine, for the separation of cresols and for the separation of dichlorobenzenes.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
C07C 7/13 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
C07C 37/82 - SeparationPurificationStabilisationUse of additives by physical treatment by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by physical treatment by chemisorption
C07C 201/16 - SeparationPurificationStabilisationUse of additives
42.
SPHERICAL AGGLOMERATES BASED ON ZEOLITE(S), PROCESS FOR THE PRODUCTION THEREOF AND USE THEREOF IN ADSORPTION PROCESSES OR IN CATALYSIS
The present invention relates to spherical agglomerates based on zeolite(s) and clay(s), having controlled size and morphology, in particular a size of less than or equal to 600 쎽m, very good sphericity, and a high content of zeolitic material, and also to the process for the production thereof. These agglomerates are particularly suitable for uses in gas-phase and/or liquid-phase adsorption processes.
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 2/04 - Processes or devices for granulating materials, in generalRendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
43.
METHOD FOR PREPARING COATED MATERIALS BASED ON BITUMINOUS PRODUCTS AND USES THEREOF
The invention relates to mixtures of bituminous products with granulates in the form of coated materials that can be used in the field of sealing, building and maintenance of road coatings, sidewalks and aviation strips, and to road coatings, sidewalks, cycling corridors, parking areas and aviation strips.
C08L 95/00 - Compositions of bituminous materials, e.g. asphalt, tar or pitch
C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
C09D 195/00 - Coating compositions based on bituminous materials, e.g. asphalt, tar or pitch
E01C 7/22 - Binder incorporated in hot state, e.g. heated bitumen
E01C 19/10 - Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resinsApparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
The present invention relates to agglomerated zeolitic adsorbents based on zeolite X with an Si/Al ratio such that 1.15 < Si/Al 絛 1.5, consisting of crystals with a mean diameter of 1.7 mm or less and of an inert binder, at least 90% of the exchangeable cationic sites of the zeolite X being occupied by barium ions. They may be obtained by agglomerating zeolite X powder having a mean diameter of 1.7 mm or less with a binder, followed by zeolitization of the binder, exchange of the zeolite ions with barium (and potassium) ions and activation of the adsorbents thus exchanged. These adsorbents exhibit, simultaneously, excellent selectivity, reduced mass transfer resistance and excellent mechanical strength and are particularly suitable for the adsorption of the paraxylene contained in C8 aromatic hydrocarbon fractions in liquid phase in processes of the simulated moving bed type and especially for the separation of paraxylene of C8 aromatic hydrocarbon fractions by adsorption, but also for the separation of sugars, polyhydric alcohols, cresols, and substitute toluene isomers.
The invention concerns novel bituminous products, as well as novel aqueous emulsions of bituminous products, mixtures thereof with coated granules, useful for sealing applications, building and maintaining road surfaces, sidewalks and runways, road surfaces, sidewalks, bicycle paths, parking lots and runways.
The invention relates to an electrode for energy storage systems, the production method thereof and an energy storage system comprising said electrode. More specifically, the invention relates to films of carbonaceous active material based on activated carbon with a determined porosity, purity and particle-size distribution and a polymer binder, whereby the electrodes comprise one such coating film on a current collector and the supercapacitors comprise at least one of said electrodes. The invention also relates to the method of preparing the aforementioned films, electrodes and supercapacitors.
H01G 11/24 - Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosityElectrodes characterised by the structural features of powders or particles used therefor
H01G 11/28 - Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features arranged or disposed on a current collectorLayers or phases between electrodes and current collectors, e.g. adhesives
H01G 11/38 - Carbon pastes or blendsBinders or additives therein
47.
BITUMINOUS PRODUCTS, THE MIXTURE THEREOF WITH AGGREGATES AND THE USE THEREOF
The invention relates to anhydrous bituminous products containing one or several specific additives which make it possible to substantially reduce a temperature for producing aggregate and bituminous product mixtures in such a way that it ranges from 20 to 40 °C, wherein the temperature of the aggregate and the bituminous product mixture during spreading ranges from 10 to 40 °C and the temperature in the core of the aggregate and bituminous product mixture during compacting can be raised to 50 °C without degrading the standard properties of the bituminous product and the bituminous product and aggregate mixture and ensuring the process continuity from transport to compacting according to the state of the art. The inventive aggregate and bituminous product mixtures are particularly suitable for tightening, building and servicing road surfaces, pavements and airfield runways.
