The invention relates to a method for detaching and recovering gold particles (12), in particular in the form of flakes, from an object (6) to be treated comprising an external or outer layer made of gold deposited on a substrate, the method comprising the following steps: a) treating the object (6) to be treated with an aqueous reactive solution (8) allowing solid gold particles (12) to be separated from the substrate; and b) separating the solid gold particles (12) by air bubble flotation in said aqueous reactive solution (8).
122) comprising at least one optical fibre sensor, the sensors being placed at different heights, radial distances and angular positions within the lysimeter; and f. means for recording the temperatures measured by the sensors.
The invention relates to a soil thermal-treatment device comprising: a. a microwave energy source (11, 12) configured to generate microwaves; b. a cylindrical microwave antenna (101, 102) connected to the microwave energy source and inserted substantially vertically into soil to be treated, the antenna comprising a plurality of openings for emitting the generated microwaves into the soil to be treated; c. fluid injection means (13) connected at the upper part of the antenna in order to the fluid into the soil to be treated through the openings, at the same time as the microwaves are emitted; d. at least one optical fibre temperature sensor inserted into the antenna; e. adjustable means for at least partially sealing at least a lower part of the antenna.
The invention relates to a method for the bioremediation of polluted soil (2) in the form of a mound, characterized in that the method comprises a step of injecting a shear-thinning aqueous fluid into the soil.
The invention relates to a computer-implemented method for compensating a non-linear self-potential in a time-series representative of a potential measured from a geological structure, said method comprising: receiving (41) as input (21) said time-series comprising a first component being said self-potential and a second component being an induced-potential, iteratively compensating (43) said self-potential on said time-series so as to obtain a compensated time-series representative of the induced-potential corrected from the non-linear variation of the self-potential and providing (44) as output (31) said compensated time-series (31).
G01V 3/04 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant par propagation de courant électrique en utilisant du courant continu
G01V 3/08 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant au moyen de champs magnétiques ou électriques produits ou modifiés par les objets ou les structures géologiques, ou par les dispositifs de détection
G01V 3/38 - Traitement de données, p. ex. pour l'analyse, pour l'interprétation ou pour la correction
6.
ELECTROMAGNETIC SYSTEM FOR GEOPHYSICAL PROSPECTING
The present disclosure relates to an electromagnetic system for geophysical prospecting, including a transmitting antenna and a receiving antenna, said transmitting antenna comprising at least one set of transmitting electromagnetic loops, said receiving antenna being formed by at least one receiving electromagnetic loop, wherein the transmitting electromagnetic loops of a same set are positioned in different planes parallel to one another.
G01V 3/10 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant au moyen de champs magnétiques ou électriques produits ou modifiés par les objets ou les structures géologiques, ou par les dispositifs de détection en utilisant des cadres inducteurs
G01V 3/17 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation spécialement adaptée à l'utilisation pendant le transport, p. ex. par une personne, un véhicule ou un bateau fonctionnant au moyen d'ondes électromagnétiques
7.
METHOD FOR RECOVERING PERMANENT MAGNETS AND VALUABLE METALS FROM HARD DISKS
The invention relates to a method for recovering NdFeB-type permanent magnets from waste electrical and electronic equipment, comprising the following successive steps: - subjecting demagnetised permanent magnets to a first magnetic separation in a 400 G drum; - recovering a first magnetic phase (1FM); - subjecting the first magnetic phase (1FM) to a first magnetic separation on an overband separator, so that a second non-magnetic phase (2FNM) resulting from the first overband magnetic separation is enriched with demagnetised magnets; and - recovering the second non-magnetic phase (2FNM).
B03C 1/247 - Séparation magnétique agissant directement sur la substance à séparer le matériau étant déplacé sous l'effet de champs oscillantsSéparation magnétique agissant directement sur la substance à séparer le matériau étant déplacé sous l'effet de champs mobiles, p. ex. générés par des bobines magnétiques stationnairesSéparateurs à champ de Foucault, p. ex. à rampe glissante le matériau étant déplacé sous l'effet de champs mobiles obtenus par rotation d'un tambour magnétique
B03C 1/22 - Séparation magnétique agissant directement sur la substance à séparer ayant des supports pour le matériau traité en forme de bandes avec des aimants fixes
B03C 1/005 - Prétraitement spécialement adapté à la séparation magnétique
B03C 1/033 - Éléments constitutifsOpérations auxiliaires caractérisés par le circuit magnétique
H01F 1/057 - Alliages caractérisés par leur composition contenant des métaux des terres rares et des métaux de transition magnétiques, p. ex. SmCo5 et des éléments IIIa, p. ex. Nd2Fe14B
H01F 13/00 - Appareils ou procédés pour l'aimantation ou pour la désaimantation
8.
ELECTROMAGNETIC SYSTEM FOR GEOPHYSICAL PROSPECTING
The invention relates to an electromagnetic system (10) for geophysical prospecting, comprising a transmitting antenna (20) and a receiving antenna (30), said transmitting antenna (20) comprising at least one set (40) of transmitting electromagnetic loops (50), said receiving antenna (30) being formed by at least one receiving electromagnetic loop (60), wherein the transmitting electromagnetic loops (50) of the same set (40) are positioned in different planes parallel to one another.
G01V 3/10 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant au moyen de champs magnétiques ou électriques produits ou modifiés par les objets ou les structures géologiques, ou par les dispositifs de détection en utilisant des cadres inducteurs
G01V 3/17 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation spécialement adaptée à l'utilisation pendant le transport, p. ex. par une personne, un véhicule ou un bateau fonctionnant au moyen d'ondes électromagnétiques
9.
SYSTEM FOR DETECTING ON-SITE ASBESTOS PARTICLES IN BUILDING MATERIALS
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITÉ D'ORLÉANS (France)
Inventeur(s)
Duee, Cédric
Haas, Hubert
Renard, Jean-Baptiste
Abrégé
System (100) for detecting on-site asbestos particles in building materials, comprising: - a means (110) for freeing asbestos particles present in the materials, - a pump (120) configured to sample solid particles freed by said means, and - a system (1) for analysing solid particles comprising: a light source configured to generate an initial light field; a main means for detecting a light field scattered by said solid particles, the main detecting means being oriented in a direction making an angle α smaller than 30° to the direction of the initial light field, which angle is called the first angle; and a complementary means for detecting the light field scattered by said solid particles, the complementary detecting means being oriented in a direction making an angle β between 45° and 90° to the direction of the initial light field, which angle is called the second angle.
G01N 21/53 - Dispersion, c.-à-d. réflexion diffuse dans un corps ou dans un fluide dans un courant de fluide, p. ex. dans la fumée
G01N 15/00 - Recherche de caractéristiques de particulesRecherche de la perméabilité, du volume des pores ou de l'aire superficielle effective de matériaux poreux
G01N 15/06 - Recherche de la concentration des suspensions de particules
G01N 15/14 - Techniques de recherche optique, p. ex. cytométrie en flux
The invention relates to a method for extracting rare earth elements contained in permanent magnets, which includes the steps of thermal treatment of the permanent magnet, crushing at the end of the thermal treatment in order to obtain particles with a size smaller than 2 mm, treatment by agitation of the particles in a solution containing an organic acid, and separation of the liquid phase from the solid phase.
2242232433 solution; wherein the sodium sulphate solution subsequently produced is used for the ionic dissociation step and wherein the sulphuric acid solution produced in the ionic dissociation step is used in the step of producing phopshogypsum and monocalcium phosphate monohydrate.
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
The present invention relates to an electrochemical measurement system (S) for monitoring a concrete structure (Cs) comprising a reinforcement bar, said system comprising: at least six electrodes (Ei) configured to be placed in contact with a surface of the concrete structure and arranged in a predefined spatial configuration; comprising at least two emitting electrodes configured to inject a plurality of electrical signals into the concrete structure and at least four receiving electrodes configured to be combined in pairs; wherein each pair of electrodes receives a plurality of electrical signals, originating from an explored zone of the concrete structure, wherein the explored zone is located beneath an axis connecting the electrodes in the pair with its depth depending on the distance between the two electrodes in the pair; an acquisition module (Ma) configured (i) to control the emitting electrodes and receiving electrode, and (ii) to acquire and store in a memory the plurality of electrical signals; a processing module (Mp) configured to calculate for each plurality of electrical signals at least one induced polarization potential response value and one apparent resistivity value, and from these values, process at least one output characteristic of the concrete structure associated to each explored zone from which the plurality of signals originates; an image reconstruction module (Mi) configured to generate an image of the distribution of the output characteristics of the concrete structure in the explored zones.
Method for processing a mixture of plastics by controlled oxidation A method for separating at least one type of plastic fragments from a mixture of plastic fragments comprising at least two different types of plastics selected from the group consisting of PP, PC, PVC, ABS, POM, PET, ABS-PS and ABS-PC; said method making it possible to obtain a fraction which is enriched with at least one of said at least two different types of plastics in relation to the proportion by weight of said at least one type of plastic in said mixture of plastic pieces; said method comprising the following steps: a) bringing into contact said mixture of plastic pieces with an aqueous solution, which is saturated or non-saturated, of potassium permanganate; b) irradiating said mixture with microwaves in the presence of said aqueous solution of potassium permanganate at an irradiation power of 0.3 to 6 kW for 0.5 to 6 minutes; c) a step of washing the mixture of plastic pieces using a solution in a mixture of sulphuric acid and hydrogen peroxide; d) a step of fractioning the mixture of plastic pieces, by floating said mixture of plastic pieces in a liquid medium, in order to obtain at least a first fraction and a second fraction; and e) a step of recovering at least one of said fractions. Figure 1.5
C08J 11/16 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p. ex. dévulcanisation par traitement avec une substance inorganique
14.
PROCESS FOR OBTAINING CARBON-COATED MINERAL PARTICLES
Disclosed is a process for synthesizing a composite material comprising carbon-coated mineral particles obtained from a mixed organic-mineral gel. The gel comprises at least said mineral particles and a carbon precursor. The process involves a step in which the carbon precursor is subjected to a thermal treatment.
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
B01D 53/32 - 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 effets électriques autres que ceux prévus au groupe
The invention relates to a method for extracting rare earth elements contained in permanent magnets, which includes the steps of thermal treatment of the permanent magnet, crushing at the end of the thermal treatment in order to obtain particles with a size smaller than 2 mm, treatment by agitation of the particles in a solution containing an organic acid, and separation of the liquid phase from the solid phase.
C22B 3/22 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés physiques, p. ex. par filtration, par des moyens magnétiques
C22B 3/16 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions organiques
41 - Éducation, divertissements, activités sportives et culturelles
Produits et services
Education; academies [education]; coaching [training];
practical training [demonstration]; organization and
conducting of training workshops; organization and
conducting of colloquiums; organization and conducting of
conferences; organization and conducting of congresses;
organization and conducting of seminars; organization and
conducting of symposiums; training services by means of
simulators; organization and conducting of non-virtual
educational forums; organization of competitions [education
or entertainment]; organization of exhibitions for cultural
or educational purposes; club services [entertainment or
education].
41 - Éducation, divertissements, activités sportives et culturelles
Produits et services
Education; academies [education]; coaching [training];
practical training [demonstration]; organization and
conducting of training workshops; organization and
conducting of colloquiums; organization and conducting of
conferences; organization and conducting of congresses;
organization and conducting of seminars; organization and
conducting of symposiums; training services by means of
simulators; organization and conducting of non-virtual
educational forums; organization of competitions [education
or entertainment]; organization of exhibitions for cultural
or educational purposes; club services [entertainment or
education].
19.
High-pressure and high-temperature closed geothermal exchanger for a magmatic or metamorphic formation
The invention relates to a geothermal exchanger comprising a casing containing a heat-transfer fluid with which it is in direct contact. The casing is flexible such as to be in direct contact with a wall of the borehole containing the exchanger under the effect of the pressure of the heat-transfer fluid.
F24T 10/15 - Collecteurs géothermiques avec circulation des fluides vecteurs dans des conduits souterrains, les fluides vecteurs n’entrant pas en contact direct avec le sol utilisant des assemblages de conduits adéquats pour l’insertion dans des trous forés dans le sol, p. ex. sondes géothermiques utilisant des conduits ayant une courbureCollecteurs géothermiques avec circulation des fluides vecteurs dans des conduits souterrains, les fluides vecteurs n’entrant pas en contact direct avec le sol utilisant des assemblages de conduits adéquats pour l’insertion dans des trous forés dans le sol, p. ex. sondes géothermiques utilisant des conduits assemblés avec des connecteurs ou des boîtes de distribution
F28F 21/06 - Structure des appareils échangeurs de chaleur caractérisée par l'emploi de matériaux spécifiés de matériau plastique
F24T 10/17 - Collecteurs géothermiques avec circulation des fluides vecteurs dans des conduits souterrains, les fluides vecteurs n’entrant pas en contact direct avec le sol utilisant des assemblages de conduits adéquats pour l’insertion dans des trous forés dans le sol, p. ex. sondes géothermiques utilisant des conduits fermés à une extrémité, c.-à-d. du type à retour
F24T 10/13 - Collecteurs géothermiques avec circulation des fluides vecteurs dans des conduits souterrains, les fluides vecteurs n’entrant pas en contact direct avec le sol utilisant des assemblages de conduits adéquats pour l’insertion dans des trous forés dans le sol, p. ex. sondes géothermiques
20.
METHOD FOR EXTRACTING RARE EARTH ELEMENTS CONTAINED IN PERMANENT MAGNETS
The invention relates to a method for extracting rare earth elements contained in permanent magnets, which comprises the steps of thermal treatment of the permanent magnet, crushing at the end of the thermal treatment in order to obtain particles with a size smaller than 2 mm, treatment by agitation of the particles in a solution containing an organic acid, and separation of the liquid phase from the solid phase.
The invention relates to a geothermal exchanger comprising a casing containing a heat-transfer fluid with which it is in direct contact. The casing is flexible such as to be in direct contact with a wall of the borehole containing the exchanger under the effect of the pressure of the heat-transfer fluid.
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (France)
ENERTIME (France)
Inventeur(s)
Nguyen, Denis
Tauveron, Nicolas
Ayachi, Fadhel
Tartière, Thomas
Abrégé
The invention relates to a system for storing energy and for producing electrical energy, including a thermal doublet comprising a first thermal store (GT1) and a second thermal store (GT2), heat exchangers (ET1, ET2) installed in each of said thermal stores (GT1, GT2), means (CIR1, CIR2) making it possible to circulate two heat-transfer fluids between heat exchangers of a thermal store having a plate heat exchanger (EP), a plate heat exchanger intended for exchanging heat between the two heat-transfer fluids, a means (PAC) for transforming electrical energy into thermal energy, and a means (TRANS) for transforming thermal energy from the heat-transfer fluid into electrical energy, which implements a thermodynamic cycle that uses a temperature difference between said thermal stores (GT1, GT2), characterised in that: said first thermal store (GT1) is based on a technique of diffusive thermal storage in a rock mass (MR) that is not under water; and said second thermal store (GT2) is a latent-heat store in an ice-water pool.
F28D 20/00 - Appareils ou ensembles fonctionnels d'accumulation de chaleur en généralAppareils échangeurs de chaleur de régénération non couverts par les groupes ou
F03G 7/04 - Mécanismes produisant une puissance mécanique, non prévus ailleurs ou utilisant une source d'énergie non prévue ailleurs utilisant les différences de pression ou les différences thermiques existant dans la nature
F24J 3/08 - géothermique (dispositifs produisant une puissance mécanique à partir d'énergie géothermique F03G 4/00)
F28D 20/02 - Appareils ou ensembles fonctionnels d'accumulation de chaleur en généralAppareils échangeurs de chaleur de régénération non couverts par les groupes ou utilisant la chaleur latente
F28F 21/06 - Structure des appareils échangeurs de chaleur caractérisée par l'emploi de matériaux spécifiés de matériau plastique
23.
METHOD FOR DETERMINING BATHYMETRY FROM QUASI-SYNCHRONOUS OPTICAL SATELLITE IMAGES
The invention relates to a method for determining bathymetric characteristics (H) of a water surface. Said method is characterized in that the following steps are carried out: - acquiring (ACQ), during a single satellite passage, at least two optical satellite images (11, 12) with time lag (dt), each image being made up of pixels; - determining (OND) dominant wave wavelengths (λη) and directions (θη) for each pixel by means of wavelet analysis on at least one image (11, 12); - determining (CORR) speeds (Cn, m) associated with each wavelength for each pixel using said time lag (dt), said wavelengths (λη), and said directions (θη) by means of an intercorrelation method on wavelet transforms of said optical images (11, 12), and defining (ECH) a set of speed/wavelength pairs (Cn,m; λn,m) for each pixel; and determining (BATH) said bathymetric characteristics (H) by means of a linear dispersion relation of the waves that links a depth (hn) to said speed/wavelength pairs (Cn,m; λn,m).
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) (France)
UNIVERSITE D'ORLEANS (France)
Inventeur(s)
Menad, Nour-Eddine
Guignot, Sylvain
Gökalp, Iskender
Bostyn, Stéphane
Graz, Yann
Poirier, Jacques
Abrégé
The method for separation of metals from electronic cards comprises a step of processing the electronic cards in an aqueous medium under supercritical conditions. The method also comprises a later step of crushing solid materials coming from the treatment under supercritical conditions.
B09B 3/00 - Destruction de déchets solides ou transformation de déchets solides en quelque chose d'utile ou d'inoffensif
A62D 3/20 - Procédés pour rendre les substances chimiques nuisibles inoffensives ou moins nuisibles en effectuant un changement chimique dans les substances par hydropyrolyse ou gazéification destructive à la vapeur, p. ex. utilisant de l'eau et de la chaleur pour effectuer une modification chimique
B09B 5/00 - Opérations non couvertes par une seule autre sous-classe ou par un seul autre groupe de la présente sous-classe
H05K 3/22 - Traitement secondaire des circuits imprimés
25.
METHOD FOR DETECTING EXPANSIVE CLAYS IN A SEDIMENTARY BASIN BY SPECTROMETRIC MEASUREMENTS
Method for determining a risk of loss associated with a clay retraction-expansion effect in a target geographic zone in a sedimentary basin, by means of measurement of gamma rays emitted by natural radioelements, characterized in that the following steps are carried out: a calibration geographic zone for which losses associated with retraction-expansion effects are known is selected; an experimental correlation is estabilished between, on the one hand, a risk of loss associated with an expansive-clay retraction-expansion effect and, on the other hand, a first set of measurements of gamma rays emitted by the natural radioelements potassium (K) and thorium (Th) on the surface of said calibration geographic zone; at least one second set of measurements of gamma rays emitted by the natural radioelements potassium (K) and thorium (Th) are carried out on the surface of said target geographic zone; and a risk of loss associated with an expansive-clay retraction-expansion effect is determined in said target geographic zone, by means of said correlation and of the second set of measurements.
G01V 5/02 - Prospection ou détection au moyen de rayonnement ionisant, p. ex. de la radioactivité naturelle ou provoquée spécialement adaptée à la reconnaissance en surface, p. ex. à partir d'un avion
G01V 5/06 - Prospection ou détection au moyen de rayonnement ionisant, p. ex. de la radioactivité naturelle ou provoquée spécialement adaptée au carottage pour détecter des minerais à radioactivité naturelle
G06F 17/30 - Recherche documentaire; Structures de bases de données à cet effet
G01T 1/169 - Exploration, localisation de surfaces contaminées
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE (France)
BRGM (France)
MILTON ROY EUROPE (France)
Inventeur(s)
Guezennec, Anne-Gwénaëlle
Ibarra, Dominique
Jaillet, Marie
Menard, Yannick
Morin, Dominique
Pubill Melsio, Anna
Savreux, Frédéric
D'Hugues, Patrick
Abrégé
The invention relates to a method for the lagoon-based bioleaching of a metallic ore (1), wherein the temperature of the suspension containing the metallic ore to be bioleached, a bioleaching consortium and a nutritive substrate (3) of the microorganisms of the consortium is controlled by regulating the flows and the composition of a gas containing oxygen and optionally also CO2 injected into the suspension, the temperature of the suspension being controlled such that it can be maintained within a pre-determined range suitable for bioleaching.
C22B 3/18 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés à l'aide de micro-organismes ou d'enzymes, p. ex. de bactéries ou d'algues
The invention relates to a method for extracting lithium contained in a brine, in which: i. a first evaporation rate (T1) of the brine is defined, said rate being less than the evaporation rate enabling undesirable salts to be precipitated; ii. some of the initial brine is fed into an evaporation tank, and the concentration of the brine is controlled by stopping the evaporation when the evaporation rate of the brine reaches the first evaporation rate (T1); iii. a mixture is then formed by reinjecting the concentrated brine from the previous step into some of the initial brine; iv. steps i through iii are repeated, the initial brine portion being replaced with the mixture until a lithium-enriched brine having an evaporation rate equal to a predefined second evaporation rate (T2) is obtained; and v. precipitation of lithium contained in the lithium-enriched brine is brought about.
The invention relates to a method for capturing arsenic contained in a solution, comprising a step of bringing said solution into contact with a powder comprising hydrate particles of calcium silicate having a Ca/Si molar ratio higher than or equal to 0.8. The invention also relates to a permeable device for implementing the method according to the invention, comprising hydrate nanoparticles of calcium silicate having a Ca/Si molar ratio higher than or equal to 0.8.
B01J 20/10 - 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 de la silice ou un silicate
The invention relates to a device for sampling at a depth (1) including: a tube (2) having an opening that is controlled by a first valve (3) downstream from which an opening that communicates in a first enclosure (4) is located, said first enclosure also communicating, via a flexible tube (5), with a variable-volume chamber(6) located downstream therefrom, said flexible tube (5) including an opening (7) controlled by a second valve (8) communicating toward the outside of said flexible tube, a third valve (9) controlling the passage inside said flexible tube (5) and placed upstream from said opening (7), and a fourth valve (10) controlling the opening of said variable-volume chamber (6) and placed downstream from said third valve (9).
The present invention in particular relates to a carbon core preparation method, characterized in that the method includes the steps of: (i) grinding a carbon sample so as to obtain a powder having a particle size between 0.1 and 800 μm; (ii) adding water to the powder obtained in step (i) so as to obtain a mixture including 20% to 30% water; (iii) placing the mixture, obtained in step (ii), in a mold; (iv) applying a pressure greater than 0.5 Mpa to the mixture, contained in said mold, so as to obtain a block; and (v) reinforcing the block, obtained in step (iv) under oedometric conditions so as to obtain a sample having a void ratio similar to that of the carbon, from which the sample used in step (1) was formed.
The fluid circulating in conduit 1 comprises hydrocarbons, and also acidic compounds to be removed, such as CO2, H2S, COS or mercaptans. The fluid circulating in conduit 1 is brought into contact, in zone ZA, with an aqueous suspension of LDH or of mixed oxides derived from moderate heat treatment of the LDHs, being supplied via conduit 2. The aqueous suspension makes it possible not only to capture the CO2 and H2S, but also the COS and the mercaptans. The fluid depleted of acidic compounds is discharged via conduit 4. The aqueous suspension loaded with acidic compounds is sent, via conduit 3, to the regeneration zone RE.
B01D 53/04 - 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 avec adsorbants fixes
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
B01J 20/04 - 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 des composés des métaux alcalins, des métaux alcalino-terreux ou du magnésium
B01J 20/06 - 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 des oxydes ou des hydroxydes des métaux non prévus dans le groupe
C10L 3/10 - Post-traitement de gaz naturel ou de gaz naturel de synthèse
09 - Appareils et instruments scientifiques et électriques
38 - Services de télécommunications
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Recorded programs and software on Earth sciences. Providing databases on Earth sciences, in particular via the
Internet. Programming of Earth science software.
