Abrégé

The present invention relates to a method for purifying a leaching filtrate from the black mass of lithium-ion batteries, the filtrate containing lithium and at least one solubilised organic compound, the method comprising the step of adding an oxidizing agent, a Fenton catalyst and optionally a phosphate salt to the filtrate so as to obtain a solution containing lithium and depleted of the at least one solubilised organic compound.

Classes IPC  ?

• C22B 3/16 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions organiques
• C01B 25/30 - Phosphates alcalins
• C01B 25/37 - Phosphates des métaux lourds
• C22B 7/00 - Mise en œuvre de matériaux autres que des minerais, p. ex. des rognures, pour produire des métaux non ferreux ou leurs composés
• C22B 3/00 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés
• C22B 26/12 - Obtention du lithium
• H01M 10/54 - Récupération des parties utiles des accumulateurs usagés

Produits et services

Chemical products for use in industry, science, photography, agriculture, horticulture, forestry; unprocessed artificial and synthetic resins, unprocessed plastics (in the form of powders, liquids or pastes); soil fertilizers (natural and artificial); fire extinguishing compositions, quenching liquids and chemical preparations for welding; chemical substances for preserving foodstuffs; tanning materials; adhesive substances for industrial use; nickel sulphate, nickel chloride, nickel hydrate, nickel carbonate; nickel salts, cobalt chloride in solution, ferric chloride in solution, nickel chloride in solution, nickel chloride in anhydrous form or hexahydrate form, high purity nickel chloride hydroxy carbonate, lithium carbonate; lithium hydroxide; mineralized sands for use in metallurgy, zircon, ilmenite (iron and titanium oxide), rutile, leucoxene; fine manganese powders; fine manganese powder agglomerates (manganese sinter). Ores; nickel ores; nickel alloys; nickel ores processed into high-purity electrolytic nickel, ferronickel granules, low-nickel ferronickel alloys, nickel residue (slag), nickel pig iron, products from the processing of nickel ores used in any industry; manganese ores; manganese alloys; manganese ores processed into ferroalloys (silicomanganese, low-carbon silicomanganese, or ferromanganese, low-carbon ferromanganese) or manganese metal; common metals, raw or semi-wrought, and their alloys; unwrought or semi-wrought steels, special steels and alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; raw or semi-worked base metals and their alloys in the form of raw ingot, forging ingot, slab, billet, sheet, plate, strip, cylinder, spool, strip, profile, bar, rod, truss, ball, ribbon, fret, metal powder, wires, tube, ball, wand, metal container, metal capsule, chips, sheet metal, crown; forged, compacted, molded, cast, die-forged, pressed, welded, machined, stamped, 3D-printed metal part; metal shaped part used in any industry.

Produits et services

Chemical products for use in industry, science, photography, agriculture, horticulture, forestry; unprocessed artificial and synthetic resins, unprocessed plastics (in the form of powders, liquids or pastes); soil fertilizers (natural and artificial); fire extinguishing compositions, quenching liquids and chemical preparations for welding; chemical substances for preserving foodstuffs; tanning materials; adhesive substances for industrial use; nickel sulphate, nickel chloride, nickel hydrate, nickel carbonate; nickel salts, cobalt chloride in solution, ferric chloride in solution, nickel chloride in solution, nickel chloride in anhydrous form or hexahydrate form, high purity nickel chloride hydroxy carbonate, lithium carbonate; lithium hydroxide; mineralized sands for use in metallurgy, zircon, ilmenite (iron and titanium oxide), rutile, leucoxene; fine manganese powders; fine manganese powder agglomerates (manganese sinter). Ores; nickel ores; nickel alloys; nickel ores processed into high-purity electrolytic nickel, ferronickel granules, low-nickel ferronickel alloys, nickel residue (slag), nickel pig iron, products from the processing of nickel ores used in any industry; manganese ores; manganese alloys; manganese ores processed into ferroalloys (silicomanganese, low-carbon silicomanganese, or ferromanganese, low-carbon ferromanganese) or manganese metal; common metals, raw or semi-wrought, and their alloys; unwrought or semi-wrought steels, special steels and alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; raw or semi-worked base metals and their alloys in the form of raw ingot, forging ingot, slab, billet, sheet, plate, strip, cylinder, spool, strip, profile, bar, rod, truss, ball, ribbon, fret, metal powder, wires, tube, ball, wand, metal container, metal capsule, chips, sheet metal, crown; forged, compacted, molded, cast, die-forged, pressed, welded, machined, stamped, 3D-printed metal part; metal shaped part used in any industry.

Produits et services

Chemical preparations for use in industry, science, photography, agriculture, horticulture, forestry, except fungicides, herbicides, insecticides and parasiticides; unprocessed artificial and synthetic resins, unprocessed plastics in the form of powders, liquids or pastes; soil fertilizers, natural and artificial; fire extinguishing compositions, and quenching liquid chemicals and chemicals for welding; chemicals for preserving foodstuffs; tanning materials, namely, chemicals for use in the tanning industry; adhesive substances for industrial use; nickel sulphate, nickel chloride, nickel hydrate, nickel carbonate; nickel salts, cobalt chloride in solution, ferric chloride in solution being iron chloride, nickel chloride in solution, nickel chloride in anhydrous form or hexahydrate form, high purity nickel chloride hydroxy carbonate, lithium carbonate; lithium hydroxide; mineralized sands in the nature of sorbents for use in metallurgy, zircon, ilmenite, rutile, leucoxene; fine manganese powders; fine manganese powder agglomerates Ores of metal; nickel ores; nickel alloys; nickel ores for processing into high-purity electrolytic nickel, ferronickel granules, low-nickel ferronickel alloys, nickel slag residue, nickel pig iron, and for processing products from the processing of nickel ores used in any industry; manganese ores; manganese alloys; manganese ores for use in processing into ferroalloys being silicomanganese, low carbon silicomanganese, or ferromanganese, low-carbon ferromanganese or manganese metal; Common metals, raw or semi- wrought, and their alloys; unwrought or semi-wrought steels, special steels and alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; raw or semi-worked base common metals and their alloys in the form of raw ingot, forging ingot, slab, billet, sheet, plate, strip, cylinder, spool, strip, profile, bar, rod, truss, ball, ribbon, fret, metal powder, wires, tube, ball, wand, metal container, metal capsule, chips, sheet metal, crown; forged, compacted, molded, cast, die-forged, pressed, welded, machined, stamped, and 3D-printed steel, special steels, alloys of special steels, nickel alloys, cobalt ore alloys, aluminum alloys, titanium alloys and metal valves not being parts of machines and metal mandrels not being parts of machines; metal shaped parts being billets, blocks for building, sheets, time capsules, latch bars, metal profiles for building, bands for tying-up purposes, door plates and tubes used in any industry and metal valves not being parts of machines and metal mandrels not being parts of machines

Produits et services

Chemical preparations for use in industry, science, photography, agriculture, horticulture, forestry, except fungicides, herbicides, insecticides and parasiticides; unprocessed artificial and synthetic resins, unprocessed plastics in the form of powders, liquids or pastes; soil fertilizers, natural and artificial; fire extinguishing compositions, and quenching liquid chemicals and chemicals for welding; chemicals for preserving foodstuffs; tanning materials, namely, chemicals for use in the tanning industry; adhesive substances for industrial use; nickel sulphate, nickel chloride, nickel hydrate, nickel carbonate; nickel salts, cobalt chloride in solution, ferric chloride in solution being iron chloride, nickel chloride in solution, nickel chloride in anhydrous form or hexahydrate form, high purity nickel chloride hydroxy carbonate, lithium carbonate; lithium hydroxide; mineralized sands in the nature of sorbents for use in metallurgy, zircon, ilmenite, rutile, leucoxene; fine manganese powders; fine manganese powder agglomerates Ores of metal; nickel ores; nickel alloys; nickel ores for processing into high-purity electrolytic nickel, ferronickel granules, low-nickel ferronickel alloys, nickel slag residue, nickel pig iron, and for processing products from the processing of nickel ores used in any industry; manganese ores; manganese alloys; manganese ores for use in processing into ferroalloys being silicomanganese, low carbon silicomanganese, or ferromanganese, low-carbon ferromanganese or manganese metal; Common metals, raw or semi- wrought, and their alloys; unwrought or semi-wrought steels, special steels and alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; raw or semi-worked base common metals and their alloys in the form of raw ingot, forging ingot, slab, billet, sheet, plate, strip, cylinder, spool, strip, profile, bar, rod, truss, ball, ribbon, fret, metal powder, wires, tube, ball, wand, metal container, metal capsule, chips, sheet metal, crown; forged, compacted, molded, cast, die-forged, pressed, welded, machined, stamped, and 3D-printed steel, special steels, alloys of special steels, nickel alloys, cobalt ore alloys, aluminum alloys, titanium alloys and metal valves not being parts of machines and metal mandrels not being parts of machines; metal shaped parts being billets, blocks for building, sheets, time capsules, latch bars, metal profiles for building, bands for tying-up purposes, door plates and tubes used in any industry and metal valves not being parts of machines and metal mandrels not being parts of machines

Abrégé

The present invention relates to a method for purifying a filtrate from leaching of black mass from spent lithium-ion batteries and/or lithium-ion battery production scrap, said filtrate containing at least one valuable metal to be recovered and at least one impurity chosen from aluminum alone or as a mixture with calcium and/or fluorine, said method comprising the following steps: a) increasing, in the presence of a source of phosphates and optionally a redox compound, the pH of the filtrate from leaching of black mass from spent lithium-ion batteries and/or lithium-ion battery production scrap, said leaching filtrate containing at least one valuable metal and at least one impurity chosen from aluminum alone or as a mixture with calcium and/or fluorine; b) adding a source of fluorides.

Classes IPC  ?

• C22B 7/00 - Mise en œuvre de matériaux autres que des minerais, p. ex. des rognures, pour produire des métaux non ferreux ou leurs composés
• C22B 3/00 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés
• C22B 26/12 - Obtention du lithium
• C22B 47/00 - Obtention du manganèse
• H01M 10/54 - Récupération des parties utiles des accumulateurs usagés

Abrégé

The present invention relates to a method for recovering at least one valuable metal from spent lithium-ion batteries and/or lithium-ion battery production scrap, comprising the following successive steps: a) acid leaching of the black mass from spent lithium-ion batteries and/or lithium-ion battery production scrap, said black mass consisting of a mixture of black masses comprising at least 50% by weight of mechanical black mass and at most 50% by weight of thermal black mass relative to the total weight of the black mass mixture, relative to the total weight of the black mass mixture, the redox potential of the leaching solution being adjusted to a value of between -100 mV vs Ag/AgCl and 700 mV vs Ag/AgCl; b) liquid/solid separation so as to obtain a solution loaded with at least one valuable metal.

Classes IPC  ?

• C22B 1/00 - Traitement préliminaire de minerais ou de débris ou déchets métalliques
• C22B 7/00 - Mise en œuvre de matériaux autres que des minerais, p. ex. des rognures, pour produire des métaux non ferreux ou leurs composés
• C22B 26/12 - Obtention du lithium
• H01M 10/54 - Récupération des parties utiles des accumulateurs usagés

Produits et services

Lithium; lithium brine; Refined lithium; lithium compounds, including lithium carbonate; Lithium hydroxide; Lithium tantalate; lithium concentrates, including the following products: Spodumene concentrates; Alkaline metals; compounds of alkali metals; Sodium; Sodium salts [chemical compounds]; Salts for industrial purposes; Alumina and Aluminium silicate; spodumene, namely Silicate; Oxides of metal; Manganese dioxide; Bases (chemicals); Chemical additives for industrial purposes; Chemicals for use in the following fields: Industry, namely Manufacturing industry, Science, Photography, Agriculture, Horticulture and forestry; Chemicals (Industrial –); Industrial minerals. Tantalum; Tantalite; Compounds containing tantalum. Batteries; Cathodes; Batteries, electric; Batteries for electric vehicles; Batteries for land vehicles; Battery chargers; Power packs [batteries]; Rechargeable batteries. Machinery installation, maintenance and repair; Installation, maintenance and repair of apparatus for supplying electricity; nstallation, Maintenance and Repair, In connection with the following goods: Heat supply apparatus; nstallation, Maintenance and Repair, In connection with the following goods: Mining equipment and apparatus; Construction services; Mining extraction; Extraction of natural resources; Drilling of wells. Electricity distribution; Supply of electricity, namely Electricity distribution; Heat supplying [distribution]; Distribution of heat. Treatment and blending of minerals, ores, concentrates and mineral substances; Mineral processing; Processing of chemicals; Metallurgical processing; Processing in relation to the following goods: Alkaline metals, precious metals and Metals, including the following products: Materials containing the aforesaid materials and composed of the aforesaid metals; Energy production; Power production by using geothermal energy. Training in relation to the following fields: Geothermal lithium; Training in relation to the following fields: Mining extraction; Industrial training; Arranging and conducting of meetings and conferences in relation to the following fields: Activities relating to geothermal lithium. Scientific research in the field of energy; Scientific research in relation to the following fields: Exploitation of mines and Metal working; Research and development and Technical consultancy in the following fields: mining industry and metallurgical industry; Research and development and Technical consultancy in the following fields: energy industry; Geological prospecting, Mineralogical prospecting, Probing, Research and Exploring in the following fields: mining industry and metallurgical industry; design and engineering services relating to the mining and metallurgical industries.

Produits et services

Lithium; lithium brine; Refined lithium; lithium compounds, including lithium carbonate; Lithium hydroxide; Lithium tantalate; lithium concentrates, including the following products: Spodumene concentrates; Alkaline metals; compounds of alkali metals; Sodium; Sodium salts [chemical compounds]; Salts for industrial purposes; Alumina and Aluminium silicate; spodumene, namely Silicate; Oxides of metal; Manganese dioxide; Bases (chemicals); Chemical additives for industrial purposes; Chemicals for use in the following fields: Industry, namely Manufacturing industry, Science, Photography, Agriculture, Horticulture and forestry; Chemicals (Industrial –); Industrial minerals. Tantalum; Tantalite; Compounds containing tantalum. Batteries; Cathodes; Batteries, electric; Batteries for electric vehicles; Batteries for land vehicles; Battery chargers; Power packs [batteries]; Rechargeable batteries. Machinery installation, maintenance and repair; Installation, maintenance and repair of apparatus for supplying electricity; nstallation, Maintenance and Repair, In connection with the following goods: Heat supply apparatus; nstallation, Maintenance and Repair, In connection with the following goods: Mining equipment and apparatus; Construction services; Mining extraction; Extraction of natural resources; Drilling of wells. Electricity distribution; Supply of electricity, namely Electricity distribution; Heat supplying [distribution]; Distribution of heat. Treatment and blending of minerals, ores, concentrates and mineral substances; Mineral processing; Processing of chemicals; Metallurgical processing; Processing in relation to the following goods: Alkaline metals, precious metals and Metals, including the following products: Materials containing the aforesaid materials and composed of the aforesaid metals; Energy production; Power production by using geothermal energy. Training in relation to the following fields: Geothermal lithium; Training in relation to the following fields: Mining extraction; Industrial training; Arranging and conducting of meetings and conferences in relation to the following fields: Activities relating to geothermal lithium. Scientific research in the field of energy; Scientific research in relation to the following fields: Exploitation of mines and Metal working; Research and development and Technical consultancy in the following fields: mining industry and metallurgical industry; Research and development and Technical consultancy in the following fields: energy industry; Geological prospecting, Mineralogical prospecting, Probing, Research and Exploring in the following fields: mining industry and metallurgical industry; design and engineering services relating to the mining and metallurgical industries.

Abrégé

The invention relates to an industrial operation monitoring device comprising a substantially sealed casing (10) housing an image and/or video acquisition source (4) and a computer (6). The device (2) is arranged to determine monitoring images from the image and/or video acquisition source (4), the computer (6) is passively cooled and is arranged to execute a normality learning sequence for a scene of an industrial operation site to be monitored, the output data of which sequence are used by an industrial operation monitoring sequence, the computer (6) is arranged, for a given scene of an industrial operation site to be monitored, to implement the normality learning sequence using a convolutional neural network (8) for a pre-trained style transfer neural network and monitoring images taken from the given scene and associated with an acquisition time selected depending on the industrial operation to be monitored, and to select, as output data of the normality learning sequence, reference matrices taken from at least some of the Gram matrices of at least one convolution layer of the neural network (8) obtained after the processing of all the monitoring images associated with the selected acquisition time, and the computer (6) is arranged, for a given scene of an industrial operation site to be monitored, to implement the monitoring sequence by receiving monitoring images obtained from the given scene, by supplying them to the convolutional neural network (8), and by returning a monitoring value indicating a condition of normality or abnormality of the industrial operation on the basis of the processing of these monitoring images by the convolutional neural network (8) and of the output data of the normality learning sequence.

Classes IPC  ?

• G06T 7/00 - Analyse d'image

Abrégé

22444 obtained in step b) in order to obtain metallic manganese Mn(0)and d) Recovery of metallic manganese Mn(0). wherein no carbonaceous reduction agent is used in step a).

Classes IPC  ?

• C22B 3/04 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation
• C22B 3/44 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés chimiques
• C22B 47/00 - Obtention du manganèse
• C25C 1/10 - Production, récupération ou affinage électrolytique des métaux par électrolyse de solutions des métaux du groupe du fer, de métaux réfractaires ou du manganèse du chrome ou du manganèse

Abrégé

The invention relates to a railway analysis device, which comprises a memory (4) arranged to receive measurement data of a railway track, each comprising at least one railway track measurement value and a dated measurement route identifier; an extractor (6) arranged to determine a set of characteristics from the railway track measurement data, said set of characteristics comprising at least two characteristics selected from a group comprising deviation characteristics, level characteristics, distortion characteristics, cant characteristics, rolling stock characteristics, and historical characteristics; and a machine learning unit (8) based on gradient boosting, trained on railway track measurement data associated with railway track defect values, said railway track defect being selected from a group comprising at least one defect among a cant defect, a level defect, and a distortion defect, and arranged to return one or more railway track defect values.

Classes IPC  ?

• B61K 9/08 - Installations de mesure pour surveiller la voie

Abrégé

2O with n being between 0.01 and 10, x being between 0.4 and 1, comprising a step a) to precipitate boehmite under specific conditions of temperature and pH, a step to place the precipitate obtained in contact with a specific quantity of LiCl, at least one forming step preferably via extrusion, said process also comprising a final hydrothermal treatment step, all allowing an increase in lithium adsorption capacity and in the adsorption kinetics of the materials obtained compared to prior art materials, when used in a process to extract lithium from saline solutions.

Classes IPC  ?

• 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
• C01F 7/00 - Composés de l'aluminium
• B01J 20/30 - Procédés de préparation, de régénération ou de réactivation
• 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 20/282 - Absorbants ou adsorbants poreux
• C01D 15/04 - Halogénures
• B01D 15/20 - Adsorption sélective, p. ex. chromatographie caractérisée par des caractéristiques de structure ou de fonctionnement relatives au conditionnement de la matière adsorbante ou absorbante
• C01F 7/78 - Composés contenant de l'aluminium, avec ou sans oxygène ou hydrogène, et contenant plusieurs autres éléments

Abrégé

2O, wherein n is between 0.01 and 10, x is between 0.4 and 1, wherein it comprises a step a) of precipitation of boehmite under specific temperature and pH conditions, a step of bringing into contact the precipitate obtained with LiCl, at least one acid extrusion-kneading shaping step, wherein the method also comprises a final hydrothermal treatment step, all of which makes it possible to increase the lithium adsorption capacity, the adsorption kinetics, as well as the lithium/boron selectivity of the materials obtained with respect to the materials of the prior art, when it is used in a lithium extraction method of saline solutions.

Classes IPC  ?

• B01J 20/08 - 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 contenant de l'oxyde ou de l'hydroxyde d'aluminiumCompositions 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 contenant de la bauxite
• 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 20/30 - Procédés de préparation, de régénération ou de réactivation
• C01D 15/00 - Composés du lithium
• C01F 7/141 - Oxyde ou hydroxyde d'aluminium obtenus à partir d'aluminates de métaux alcalins à partir de solutions aqueuses d'aluminate par neutralisation avec un agent acide
• C22B 26/12 - Obtention du lithium
• C01F 7/34 - Préparation de l'hydroxyde d'aluminium par précipitation à partir de solutions contenant des sels d'aluminium
• C01F 7/78 - Composés contenant de l'aluminium, avec ou sans oxygène ou hydrogène, et contenant plusieurs autres éléments

Produits et services

Chemical products for use in industry, science, photography, agriculture, horticulture and forestry; artificial and synthetic resins, unprocessed plastics (in powder, liquid or paste form); soil fertilizers (natural and artificial); extinguishing compositions, quenching and chemical preparations for welding; chemical substances for preserving foodstuffs; tanning materials; adhesive substances for industrial use; nickel sulphate, nickel chloride, nickel hydrate, nickel carbonate; nickel salts, cobalt chloride in solution, ferric chloride in solution, nickel chloride in solution, nickel chloride in anhydrous form or hexahydrate form, high purity nickel chloride hydroxy carbonate, lithium carbonate; lithium hydroxide. Ores; nickel ores; nickel alloys; nickel ores converted to high-purity electrolytic nickel, ferro-nickel pellets, nickel residue (slag), nickel-metal products processed in any industry; manganese ores; manganese alloys; manganese ores converted into ferro-alloys (silico-manganese or ferro-manganese) or manganese metal; Common metals, unwrought or semi-wrought, and their alloys; unwrought or semi-wrought steels, special steels and alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; raw or semi-worked base metals and their alloys in the form of raw ingot, forging ingot, slab, billet, sheet, plate, strip, cylinder, spool, strip, profile, bar, rod, truss, ball, ribbon, fret, metal powder, wires, tube, ball, wand, metal container, metal capsule, chips, sheet metal, crown; forged, compacted, molded, cast, die-forged, pressed, welded, machined, stamped, 3D-printed metal part; metal shaped part used in any industry. Commercial business management; commercial administration; office functions; presentation of goods on communication supports of all types for retail and wholesale; provision of and making available commercial information relating to advertising; retail and wholesale services for ores, alloys, common ores, common raw metals and their alloys; preparation and hosting of professional trade fairs and exhibitions for commercial and advertising purposes; marketing; business management. Treatment of minerals, ores, concentrates and mineral substances; metal treating; recycling, recovery, purification, treatment and reprocessing, all for common metals and their alloys, treatment and processing of nickel matte; lithium processing; metal treating, especially: metal tempering, soldering, chromium plating, nickel plating, tin plating, galvanization, extruding, wire drawing, milling, rolling, armor-plating, gas-cutting, cutting, grinding, magnetization, swaging, stripping, metal welding, forging, drop-forging, pressing, deburring, machining, drawing and shaping of metals, recycling, compacting, shot blasting; gas atomizing metal powders; hot isostatic compaction; thermal spraying; heat treatment. Research and development services and technical support for geology, mineralurgy, metallurgy and engineering for the mining and metallurgical industry; prospecting, exploration, research and geological and mineralogical study, special alloy research and design in the fields of metallurgy, industrial process technology, material sciences, materials processing and the field of creation, atomization, remelting, forging, stamping, rolling and machining of metals; design and development of software; parts modeling; metal parts modeling; industrial analysis and research services, technical project studies, expertise and engineering works; technical and scientific consultancy and information for improving the quality of products in the field of metals, steels and their applications; engineering and research offices; research in the field of environmental protection; mineral exploration; nickel-field surveys, and manganese and lithium; technical analysis for the exploitation of nickel, manganese and lithium deposits; technical assistance services for nickel, manganese and lithium mining; design and engineering services relating to the exploration, appraisal, development, mining, processing and marketing of raw or processed metals and ores.

Produits et services

Chemical products for use in industry, science, photography, agriculture, horticulture and forestry; artificial and synthetic resins, unprocessed plastics (in powder, liquid or paste form); soil fertilizers (natural and artificial); extinguishing compositions, quenching and chemical preparations for welding; chemical substances for preserving foodstuffs; tanning materials; adhesive substances for industrial use; nickel sulphate, nickel chloride, nickel hydrate, nickel carbonate; nickel salts, cobalt chloride in solution, ferric chloride in solution, nickel chloride in solution, nickel chloride in anhydrous form or hexahydrate form, high purity nickel chloride hydroxy carbonate, lithium carbonate; lithium hydroxide. Ores; nickel ores; nickel alloys; nickel ores converted to high-purity electrolytic nickel, ferro-nickel pellets, nickel residue (slag), nickel-metal products processed in any industry; manganese ores; manganese alloys; manganese ores converted into ferro-alloys (silico-manganese or ferro-manganese) or manganese metal; Common metals, raw or semi-wrought, and their alloys; unwrought or semi-wrought steels, special steels and alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; raw or semi-worked base metals and their alloys in the form of raw ingot, forging ingot, slab, billet, sheet, plate, strip, cylinder, spool, strip, profile, bar, rod, truss, ball, ribbon, fret, metal powder, wires, tube, ball, wand, metal container, metal capsule, chips, sheet metal, crown; forged, compacted, molded, fused, die-cast, pressed, welded, machined, stamped, 3D-printed metal part; metal shaped part used in any industry. Commercial business management; commercial administration; office functions; presentation of goods on communication supports of all types for retail and wholesale; provision of and making available commercial information relating to advertising; retail and wholesale services for ores, alloys, common ores, common raw metals and their alloys; preparation and hosting of professional trade fairs and exhibitions for commercial and advertising purposes; marketing; business management. Treatment of minerals, ores, concentrates and mineral substances; metal treating; recycling, recovery, purification, treatment and reprocessing, all for common metals and their alloys, treatment and processing of nickel matte; lithium processing; metal treating, especially: metal tempering, soldering, chromium plating, nickel plating, tin plating, galvanization, extruding, wire drawing, milling, rolling, armor-plating, gas-cutting, cutting, grinding, magnetization, swaging, stripping, metal welding, forging, drop-forging, pressing, deburring, machining, drawing and shaping of metals, recycling, compacting, shot blasting; gas atomizing metal powders; hot isostatic compaction; thermal spraying; heat treatment. Research and development services and technical support for geology, mineralurgy, metallurgy and engineering for the mining and metallurgical industry; prospecting, exploration, research and geological and mineralogical study, special alloy research and design in the fields of metallurgy, industrial process technology, material sciences, materials processing and the field of creation, atomization, remelting, forging, stamping, rolling and machining of metals; design and development of software; parts modeling; metal parts modeling; industrial analysis and research services, technical project studies, expertise and engineering works; technical and scientific consultancy and information for improving the quality of products in the field of metals, steels and their applications; engineering and research offices; research in the field of environmental protection; mineral exploration; nickel-field surveys, and manganese and lithium; technical analysis for the exploitation of nickel, manganese and lithium deposits; technical assistance services for nickel, manganese and lithium mining; design and engineering services relating to the exploration, appraisal, development, mining, processing and marketing of raw or processed metals and ores.

Produits et services

Treatment of minerals, ores, concentrates and mineral substances; metal treating, namely, recycling, recovery, purification, treatment and reprocessing, all for common metals and their alloys, treatment and processing of nickel matte; lithium processing; metal treating, especially: metal tempering, soldering, chromium plating, nickel plating, tin plating, galvanization, extruding, wire drawing, milling, rolling, armor-plating, gas-cutting, cutting, grinding, magnetization, swaging, stripping, metal welding, forging, drop-forging, pressing, deburring, machining, drawing and shaping of metals, recycling, compacting, shot blasting; gas atomizing of metal powders being heat treatment of metals; hot isostatic compaction being metal treating; thermal spraying being heat treatment of metals; heat treatment of metals Chemical products for use in industry, science, photography, agriculture, horticulture and forestry except fungicides, herbicides, insecticides and parasiticides; Unprocessed artificial and synthetic resins, unprocessed plastics, in powder liquid and paste form; natural and artificial soil fertilizers; fire extinguishing compositions, quenching and chemical preparations for welding; chemical substances for preserving foodstuffs; adhesive substances for industrial use; nickel sulphate, nickel chloride, nickel hydrate, nickel carbonate; nickel salts, cobalt chloride in solution, ferric chloride in solution, nickel chloride in solution, nickel chloride in anhydrous form and hexahydrate form, high purity nickel chloride hydroxy carbonate, lithium carbonate; lithium hydroxide Ores of metal; nickel ores; nickel alloys; nickel ores converted to high-purity electrolytic nickel, ferro-nickel pellets, nickel residue slag, Unwrought and semi-worked nickel-metal for further manufacture in any industry; manganese ores; manganese alloys; manganese ores converted into ferro-alloys namely, silico-manganese and ferro-manganese and unwrought and semi-worked; Common metals, unwrought or semi-wrought, and their alloys; unwrought or semi-wrought steels, special steels and alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; raw or semi-worked base metals and their alloys in the form of raw ingot, forging ingot, slab, billet, sheet, plate, strip, cylinder, spool, strip, profile, bar, rod, truss, ball, ribbon, fret, metal powder, wires, tube, ball, wand, metal container for transport or storage of goods, metal capsule, chips, sheet metal, crown; forged, compacted, molded, cast, die-forged, pressed, welded, machined, stamped, 3D-printed steel, special steels, alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; metal shaped part being billets, blocks sheets, capsules, bars, metal profiles, bands, plates and tubes used in any industry

Produits et services

Treatment of minerals, ores, concentrates and mineral substances; metal treating, namely, recycling, recovery in the nature of recycling, purification, treatment and reprocessing, all for common metals and their alloys, treatment and processing in the nature of treatment of nickel matte; lithium processing; metal treating, especially: metal tempering, soldering, chromium plating, nickel plating, tin plating, galvanization, extruding, wire drawing, milling, rolling, armor-plating, gas-cutting, cutting, grinding, magnetization, swaging, stripping, metal welding, forging, drop-forging, pressing, deburring, machining, drawing and shaping of metals, recycling, compacting, shot blasting; gas atomizing of metal powders being heat treatment of metals; hot isostatic compaction being metal treating; thermal spraying being heat treatment of metals; heat treatment of metals Chemical products for use in industry, science, photography, agriculture, horticulture and forestry except fungicides, herbicides, insecticides and parasiticides; Unprocessed artificial and synthetic resins, unprocessed plastics, in powder liquid and paste form; natural and artificial soil fertilizers; fire extinguishing compositions, quenching fluids and chemical preparations for welding; chemical substances for preserving foodstuffs; adhesive substances for industrial use; nickel sulphate, nickel chloride, nickel hydrate, nickel carbonate; nickel salts, cobalt chloride in solution, ferric chloride in solution, nickel chloride in solution, nickel chloride in anhydrous form and hexahydrate form, high purity nickel chloride hydroxy carbonate, lithium carbonate; lithium hydroxide Ores of metal; nickel ores; nickel alloys; nickel ores converted to high-purity electrolytic nickel, ferro-nickel pellets, nickel residue slag, Unwrought and semi-worked nickel-metal for further manufacture in any industry; manganese ores; manganese alloys; manganese ores converted into ferro-alloys namely, silico-manganese and ferro-manganese and unwrought and semi-worked; Common metals, unwrought or semi-wrought, and their alloys; unwrought or semi-wrought steels, special steels and alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; raw or semi-worked base metals and their alloys in the form of raw ingot, forging ingot, slab, billet, sheet, plate, strip, cylinder, spool, strip, profile, bar, rod, truss, ball, ribbon, fret, metal powder, wires, tube, ball, wand, metal container for transport or storage of goods, metal capsule for use as industrial packaging containers, chips, sheet metal, crown; forged, compacted, molded, cast, die-forged, pressed, welded, machined, stamped, 3D-printed steel, special steels, alloys of special steels, nickel alloys, cobalt alloys, aluminum alloys, titanium alloys; metal shaped part being billets, blocks sheets, capsules, bars, metal profiles, bands, plates and tubes used in any industry

Abrégé

2O with n being comprised between 0.01 and 10, x being equal to 1 when X is an anion selected from among chloride, hydroxide and nitrate anions, and x being equal to 0.5 when X is an anion selected from among sulfate and carbonate anions, comprising a step a) for precipitation of boehmite under specific temperature and pH conditions, at least one shaping step, preferably by extrusion, said method also comprising a final hydrothermal treatment step, the whole giving the possibility of increasing the adsorption capacity for lithium as well as the adsorption kinetics of the materials obtained as compared with the materials of the prior art when the latter is used in a method for extracting the lithium from saline solutions.

Classes IPC  ?

• B01J 20/08 - 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 contenant de l'oxyde ou de l'hydroxyde d'aluminiumCompositions 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 contenant de la bauxite
• 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 20/30 - Procédés de préparation, de régénération ou de réactivation
• C01F 7/00 - Composés de l'aluminium
• C01F 7/14 - Oxyde ou hydroxyde d'aluminium obtenus à partir d'aluminates de métaux alcalins
• C01F 7/34 - Préparation de l'hydroxyde d'aluminium par précipitation à partir de solutions contenant des sels d'aluminium
• B01J 39/10 - Oxydes ou hydroxydes
• B01J 20/34 - Régénération ou réactivation

Abrégé

2O, wherein n is between 0.01 and 10, x is 1 when X is an anion selected from among chloride, hydroxide and nitrate anions, and x is 0.5 when X is an anion selected from among sulfate and carbonate anions, comprising a boehmite precipitation step a) under specific temperature and pH conditions, at least one basic mixing shaping step, wherein the method also comprises a final hydrothermal treatment step, all to increase the lithium adsorption capacity and the kinetics of adsorption of the materials obtained, compared with the materials of the prior art when it is used in a method for lithium extraction from saline solutions.

Classes IPC  ?

• 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 20/30 - Procédés de préparation, de régénération ou de réactivation
• C01F 7/00 - Composés de l'aluminium
• C01F 7/02 - Oxyde d'aluminiumHydroxyde d'aluminiumAluminates
• C01D 15/00 - Composés du lithium
• 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

Abrégé

The present invention relates to the field of solid materials for lithium adsorption. In particular, the invention relates to a new method for producing a solid, shaped crystalline material, preferably in the form of extrudates, of formula (LiCl)x.2Al(OH)3,nH2O with n being between 0.01 and 10 and x being between 0.4 and 1, comprising a step a) of precipitating boehmite under specific temperature and pH conditions, a step of bringing the obtained precipitate into contact with LiCl, at least one shaping step, preferably by means of acid mixing/extrusion, and said method also comprising a final hydrothermal treatment step, all this making it possible to increase the lithium adsorption capacity, adsorption kinetics and the lithium/boron selectivity of the materials obtained compared to the materials from the prior art, when this material is used in a method for extracting lithium from saline solutions.

Classes IPC  ?

• 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 20/08 - 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 contenant de l'oxyde ou de l'hydroxyde d'aluminiumCompositions 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 contenant de la bauxite
• B01J 20/30 - Procédés de préparation, de régénération ou de réactivation
• B01J 39/10 - Oxydes ou hydroxydes
• C01F 7/00 - Composés de l'aluminium
• C01F 7/14 - Oxyde ou hydroxyde d'aluminium obtenus à partir d'aluminates de métaux alcalins

Abrégé

The present invention relates to the field of solid materials for the adsorption of lithium. In particular, the present invention relates to a novel process for preparing a crystalline solid material that is shaped, preferably in the form of extrudates, of formula (LiCl)x.2Al(OH)3,nH2O with n being between 0.01 and 10, x being between 0.4 and 1 comprising a step a) of precipitating boehmite under specific temperature and pH conditions, a step of bringing the precipitate obtained into contact with a specific amount of LiCl, at least one step of shaping, preferably by extrusion, said process also comprising a final hydrothermal treatment step, all this making it possible to increase the lithium adsorption capacity and also the adsorption kinetics of the materials obtained compared to the materials from the prior art when this material is used in a process for extracting lithium from saline solutions.

Classes IPC  ?

• C01D 15/04 - Halogénures
• B01J 20/08 - 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 contenant de l'oxyde ou de l'hydroxyde d'aluminiumCompositions 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 contenant de la bauxite
• C01F 7/04 - Préparation des aluminates de métaux alcalinsOxyde ou hydroxyde d'aluminium obtenus à partir de ceux-ci

Abrégé

The present invention relates to the field of solid materials for adsorbing lithium. In particular, the present invention relates to a novel method for preparing a solid, shaped crystallised material, preferably in the form of extruded products, of formula LiXx.2Al(OH)3,n H2O in which n is between 0.01 and 10, x being equal to 1 when X is an anion chosen from the chloride, hydroxide and nitrate anions, and x being equal to 0.5 when X is an anion chosen from the sulfate and carbonate anions, comprising a step a) of precipitating boehmite under specific temperature and pH conditions; and at least one step of shaping by basic mixing, said method also comprising a final hydrothermal treatment step, the method as a whole making it possible to increase the lithium adsorption capacity and the adsorption kinetics of the obtained materials relative to the materials from the prior art when used in a method for extracting lithium from saline solutions.

Classes IPC  ?

• B01J 39/16 - Substance organique
• B01J 47/00 - Procédés d'échange d'ions en généralAppareillage à cet effet
• C01D 15/00 - Composés du lithium
• C01F 7/00 - Composés de l'aluminium
• C01F 7/02 - Oxyde d'aluminiumHydroxyde d'aluminiumAluminates
• B01J 20/02 - 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

Abrégé

The present invention relates to a method for separating and purifying niobium and tantalum from a basic aqueous solution containing niobium and tantalum. Said method is characterized in that it includes the following steps: a) placing an aqueous solution, having pH > 8 and containing niobium and tantalum, in contact with a quaternary ammonium salt organic solution so as to extract all or part of the niobium and tantalum from the aqueous solution; b) recovering the organic solution containing niobium and tantalum; d) placing the organic solution, containing niobium and tantalum, in contact with an acidic aqueous solution containing nitrate ions and oxalate ions so as to selectively back-extract the niobium from the tantalum; e) recovering the acidic aqueous solution, containing the purified niobium, and neutralizing with a base so as to obtain, on the one hand, a niobium precipitate and, on the other hand, an aqueous solution of oxalate ions and nitrate ions; f) recovering the organic solution from step d), containing the purified tantalum, and placing said organic solution in contact with an acidic aqueous solution of chloride salts or nitrate salts so as to back-extract the tantalum from the organic solution via anion exchange; and g) recovering the acidic aqueous solution from step f), containing the purified tantalum, and neutralizing said acidic aqueous solution with a base so as to obtain a purified tantalum precipitate.

Classes IPC  ?

• C22B 3/28 - Amines
• C22B 3/44 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés chimiques
• C22B 34/24 - Obtention du niobium ou du tantale

Abrégé

The present invention relates to the field of solid materials for adsorbing lithium. In particular, the present invention relates to a novel method for preparing a solid crystallised material, shaped preferably in the form of extruded products, of formula LiXx.2AI(OH)3,nH20 in which n is between 0.01 and 10, x being equal to 1 when X is an anion chosen from the chloride, hydroxide and nitrate anions, and x being equal to 0.5 when X is an anion chosen from the sulfate and carbonate anions, comprising a step a) of precipitating boehmite under specific temperature and pH conditions, at least one step of shaping, preferably by extrusion, said method also comprising a final hydrothermal treatment step, the entire method making it possible to increase the lithium adsorption capacity and the adsorption kinetics of the obtained materials relative to the materials from the prior art when used in a method for extracting lithium from saline solutions.

Classes IPC  ?

• 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 20/08 - 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 contenant de l'oxyde ou de l'hydroxyde d'aluminiumCompositions 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 contenant de la bauxite
• B01J 20/30 - Procédés de préparation, de régénération ou de réactivation
• B01J 39/10 - Oxydes ou hydroxydes
• B01J 20/34 - Régénération ou réactivation
• C01F 7/14 - Oxyde ou hydroxyde d'aluminium obtenus à partir d'aluminates de métaux alcalins
• C01F 7/00 - Composés de l'aluminium

Abrégé

The invention relates to a process for preparing a crystalline solid material of formula LiCl.2Al(OH)3.nH2O with n being between 0.01 and 10, said process comprising at least the following steps: a) a step of mixing, in an aqueous medium, at least one source of alumina and at least one source of lithium in order to obtain a suspension, b) a step of filtering the suspension obtained in step a) in order to obtain a paste, c) a step of drying the paste obtained at the end of step b), d) a step of shaping said dried paste, directly after the drying step c) in order to obtain a shaped solid material, said shaping step d) being carried out in the absence of binder, and e) the drying of the shaped solid material obtained, f) a step of hydrothermal treatment in order to obtain the shaped crystalline solid material of formula LiCl.2Al(OH)3.nH2O. The invention also relates to a solid material obtained according to this process and to a process for extracting lithium from saline solutions using the material thus prepared.

Classes IPC  ?

• 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 20/08 - 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 contenant de l'oxyde ou de l'hydroxyde d'aluminiumCompositions 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 contenant de la bauxite
• B01J 20/30 - Procédés de préparation, de régénération ou de réactivation
• B01J 41/10 - Substance inorganique
• C01D 15/04 - Halogénures
• C01F 7/00 - Composés de l'aluminium
• B01J 39/10 - Oxydes ou hydroxydes

Abrégé

The invention concerns a novel method of preparing a crystallized solid material having the formula Li2SO4.4AI(OH)3,nH2O, where n is between 0.01 and 10, comprising at least the following steps: (a) precipitating in an aqueous medium aluminium sulphate, sodium aluminate and at least one lithium source in order to obtain a suspension; (b) filtering the suspension obtained in step (a) in order to obtain a paste, the filtering step being followed by at least one step in which the resulting paste is washed; (c) drying the paste obtained at the end of step (b); (d) shaping the dried paste by extrusion in order to obtain extruded products; and (e) drying the resulting extruded products at a temperature of between 20 and 200°C for a period of between 1 and 20 hours, in order to obtain the crystallized solid material in the form of extruded products. The invention also concerns a method of extracting lithium from saline solutions using the material thus obtained. The invention further concerns a crystallized solid material having the formula Li2SO4.4AI(OH)3,nH2O, where n is between 0.01 and 10 shaped. The invention also concerns a device for performing the lithium-extraction method.

Classes IPC  ?

• C01D 15/00 - Composés du lithium
• B01J 20/08 - 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 contenant de l'oxyde ou de l'hydroxyde d'aluminiumCompositions 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 contenant de la bauxite
• B01J 20/30 - Procédés de préparation, de régénération ou de réactivation
• C01D 15/02 - OxydesHydroxydes
• C01D 15/06 - SulfatesSulfites
• C01F 7/04 - Préparation des aluminates de métaux alcalinsOxyde ou hydroxyde d'aluminium obtenus à partir de ceux-ci

Abrégé

The invention concerns a method of preparing a crystallized solid material having the formula LiNO3.2Al(OH)3,n H2O, where n is between 0.01 and 10, the method comprising at least the following steps: (a) precipitating, in an aqueous medium, aluminium nitrate, sodium aluminate and at least one lithium source in order to obtain a suspension; (b) filtering the suspension obtained in step (a) in order to obtain a paste, the filtering step not being followed by a step in which the resulting paste is washed; (c) drying the paste obtained at the end of step (b); (d) shaping by extrusion the dried paste in order to obtain extruded products; and (e) drying the resulting extruded products at a temperature of between 20 and 200°C for a period of between 1 and 20 hours in order to obtain the crystallized solid material in the form of extruded products. The invention also concerns a method of extracting lithium from saline solutions using the material thus obtained. The invention further concerns a solid crystallized material having the formula LiNO3.2Al(OH)3,nH2O, n being between 0.01 and 10, shaped. The invention also concerns a device for performing the lithium-extraction method.

Classes IPC  ?

• C01D 15/02 - OxydesHydroxydes
• 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 20/30 - Procédés de préparation, de régénération ou de réactivation
• C01D 15/10 - Nitrates
• C01F 7/04 - Préparation des aluminates de métaux alcalinsOxyde ou hydroxyde d'aluminium obtenus à partir de ceux-ci

Abrégé

The invention concerns a method of preparing a crystallized solid material having the formula LiCl.2Al(OH)3,nH2O, where n is between 0.01 and 10, the method comprising at least the following steps: (a) mixing, in an aqueous medium, at least one alumina source and at least one lithium source in order to obtain a suspension; (b) filtering the suspension obtained in step (a) in order to obtain a paste; (c) drying the paste obtained at the end of step (b) at a temperature of between 20 and 80°C for a period of between 1 and 12 hours; (d) shaping by extrusion of the dried paste, immediately after drying step (c) in order to obtain extruded products, shaping step (d) being performed in the absence of binder; and (e) drying the resulting extruded products at a temperature of between 20 and 200°C for a period of between 1 and 20 hours in order to obtain the crystallized solid material having the formula LiCl.2Al(OH)3,nH2O in the form of extruded products. The invention also concerns a method of extracting lithium from saline solutions using the material thus prepared. The invention further concerns a solid crystallized material having the formula LiCl.2Al(OH)3,nH2O, n being between 0.01 and 10, shaped. The invention also concerns a device for performing the lithium-extraction method.

Classes IPC  ?

• B01J 20/08 - 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 contenant de l'oxyde ou de l'hydroxyde d'aluminiumCompositions 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 contenant de la bauxite
• B01J 20/30 - Procédés de préparation, de régénération ou de réactivation
• C01D 15/04 - Halogénures
• C01F 7/04 - Préparation des aluminates de métaux alcalinsOxyde ou hydroxyde d'aluminium obtenus à partir de ceux-ci

Abrégé

The invention concerns a method of preparing a crystallized solid material having the formula LiCI.2AI(OH)3,nH2O, where n is between 0.01 and 10, the method comprising at least the following steps: (a) mixing, in an aqueous medium, at least one alumina source and at least one lithium source in order to obtain a suspension; (b) filtering the suspension obtained in step (a) in order to obtain a paste; (c) drying the paste obtained at the end of step (b) at a temperature of between 20 and 80°C for a period of between 1 and 12 hours; (d) shaping by mixing-extrusion of the dried paste, in the presence of at least one organic binder and without the addition of an acid or a base to the dried paste introduced in step (d), in order to obtain extruded products; and (e) drying the resulting extruded products at a temperature of between 20 and 200°C for a period of between 1 and 20 hours in order to obtain the crystallized solid material having the formula LiCI.2AI(OH)3,nH2O in the form of extruded products. The invention also concerns a method of extracting lithium from saline solutions using the material thus obtained. The invention further concerns a solid crystallized material having the formula LiCI.2AI(OH)3,nH2O, n being between 0.01 and 10, shaped. The invention also concerns a device for performing the lithium-extraction method.

Classes IPC  ?

• C01D 15/04 - Halogénures
• C01F 7/04 - Préparation des aluminates de métaux alcalinsOxyde ou hydroxyde d'aluminium obtenus à partir de ceux-ci
• B01J 20/08 - 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 contenant de l'oxyde ou de l'hydroxyde d'aluminiumCompositions 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 contenant de la bauxite
• B01J 20/30 - Procédés de préparation, de régénération ou de réactivation

Abrégé

The invention concerns a method of preparing a crystallized solid material having the formula LiCl.2Al(OH)3,nH2O, where n is between 0.01 and 10, the method comprising the following steps: (a) mixing, in an aqueous medium, at least one alumina source and at least one lithium source in order to obtain a suspension; (b) filtering the suspension obtained in step (a) in order to obtain a paste; (c) drying the paste obtained at the end of step (b) at a temperature of between 20 and 80°C for a period of between 1 and 12 hours; (d) shaping by mixing-extrusion of the dried paste in the presence of at least one solid alumina precursor and of at least one acid in solution in proportions such that the acid/Al molar ratio is between 0.01 and 1.2 in order to obtain extruded products; and (e) drying the extruded products obtained at the end of step (d) at a temperature of between 20 and 200°C for a period of between 1 and 20 hours in order to obtain the crystallized solid material having the formula LiCl.2Al(OH)3,nH2O in the form of extruded products. The invention also concerns a method of extracting lithium from saline solutions using the material thus prepared. The invention further concerns a solid crystallized material having the formula LiCl.2Al(OH)3,nH2O, n being between 0.01 and 10, shaped. The invention also concerns a device for performing the lithium-extraction method.

Classes IPC  ?

• C01D 15/04 - Halogénures
• C01F 7/04 - Préparation des aluminates de métaux alcalinsOxyde ou hydroxyde d'aluminium obtenus à partir de ceux-ci
• B01J 20/08 - 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 contenant de l'oxyde ou de l'hydroxyde d'aluminiumCompositions 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 contenant de la bauxite
• B01J 20/30 - Procédés de préparation, de régénération ou de réactivation

Abrégé

Process for smelting nickel metal from nickel oxide by reduction melting in an electric arc furnace, characterized in that: - introduced into said furnace are NiO, a carbon-based material and oxides intended to form a synthetic slag, the composition of which is chosen from: * Al2O3: from 25 to 45%; CaO: from 30 to 60%; MgO: from 0 to 20%; SiO2: from 0 to 15%, the content of other oxides not exceeding 5%; * CaO: from 20 to 40%; MgO: from 10 to 40%; SiO2: from 35 to 65%, the content of other oxides not exceeding 5%; said composition having to be maintained within these limits throughout the entire duration of the smelting, and a reduction melting of the NiO is carried out in order to convert it into liquid Ni metal; - an addition of Si is carried out which makes it possible to continue the reduction of NiO present in the slag and, optionally, to carry out a desulphurization of the Ni metal; - a chemical equilibrium between the metal and the slag is achieved which enables the drops of Ni metal present in the slag to settle in the liquid bath, over a duration of at least 10 minutes, and optionally, the Ni metal to undergo a desulphurization; - a partial skimming of the slag is carried out; - and the liquid Ni metal is cast outside of the furnace.

Classes IPC  ?

• C22B 23/02 - Obtention du nickel ou du cobalt par voie sèche

Abrégé

The present invention relates to a method for purifying niobium and/tantalum from an ore or a concentrate of niobium and/tantalum containing titanium and/or iron, wherein the method includes the following steps: a) the sodium conversion of an ore or a concentrate of niobium and/tantalum containing titanium and/or iron by adding a concentrated NaOH solution at a temperature of 50°C to 150°C; b) the solid/liquid separation and recovery of the solid obtained in step a); c) washing the solid recovered in step b) using an aqueous solution containing at most 30g/L of NaOH and recovering the washed solid; d) adding water in order to dissolve the niobium and/tantalum; e) the solid/liquid separation and recovery of the aqueous solution containing the niobium and/tantalum obtained in step d); f) acidifying the aqueous solution obtained in step e) up to a pH of 1 to 5, advantageously between 3 and 4 in order to precipitate the niobium and/tantalum; and g) the solid/liquid separation and recovery of the purified precipitate of niobium and/tantalum obtained in step f).

Classes IPC  ?

• C22B 34/24 - Obtention du niobium ou du tantale

Abrégé

The present invention concerns a method for selectively recovering the rare earths from an aqueous acid sulphate solution comprising phosphates, aluminium and heavy rare earths, and possibly medium rare earths, iron (II) and titanium, characterised in that it comprises the following successive steps: a) neutralisation, to a pH of between 3 and 4, of an aqueous acid sulphate solution comprising phosphates, aluminium and heavy rare earths, and optionally medium rare earths, iron (II) and titanium, the solution having a Al/P molar ratio > 1 and a concentration of sulphates > 100 g/L by adding a base, so as to precipitate the phosphate and the aluminium and the possible titanium, b) liquid/solid separation of the precipitate formed by the phosphate and the aluminium and the possible titanium and the aqueous sulphate solution, c) recovery of the aqueous sulphate solution, d) addition of phosphates to the aqueous sulphate solution obtained in step c) such that the molar ratio of the obtained solution P04/TR is > 4, so as to precipitate the heavy rare earth phosphates and possible medium rare earth phosphates, e) liquid/solid separation of the precipitate formed by the heavy rare earth phosphates and possible medium rare earth phosphates and the aqueous sulphate solution, f) recovery of the precipitate formed by the heavy rare earth phosphates and possible medium rare earth phosphates.

Classes IPC  ?

• C22B 3/44 - Traitement ou purification de solutions, p. ex. de solutions obtenues par lixiviation par des procédés chimiques
• C22B 59/00 - Obtention des métaux des terres rares

Abrégé

The present invention relates to a process for the selective back-extraction of scandium with respect to thorium and/or zirconium and/or titanium dissolved in an organic solution based on a primary alkyl amine, characterized in that it comprises the following successive steps: - a) bringing an organic solution based on a primary alkyl amine dissolved in which are scandium and a metal chosen from thorium, zirconium, titanium and mixtures thereof into contact with an acid aqueous solution of phosphate salts so as to form a complex between the scandium and the phosphates, - b) separation of the aqueous solution comprising the complex between the scandium and the phosphates from the organic solution based on a primary alkyl amine, - c) recovery of the aqueous solution comprising the complex between the scandium and the phosphates. It also relates to a process for the selective extraction of scandium from an acid aqueous solution of sulphate containing scandium and a metal chosen from thorium, zirconium, titanium and mixtures thereof and to a process for the selective extraction of scandium, thorium, zirconium and optionally titanium from an acid aqueous solution of sulphate containing scandium, thorium, zirconium and optionally titanium with the aid of an organic solution based on a primary alkyl amine using this back-extraction process.

Classes IPC  ?

• C22B 3/28 - Amines
• C22B 59/00 - Obtention des métaux des terres rares

Abrégé

Internal frame assembly of a cell for electrolysis of manganese, associated cell and method The cell comprises a plurality of anode frames, a plurality of cathode frames (64) and a plurality of diaphragms (68) interposed between each cathode frame (64) and each anode frame (66). At least one diaphragm (68) comprises a first porous wall (106A) covering a first axial opening (105A) of a cathode frame (64), a second porous wall (106B) covering the second axial opening (105B) of the cathode frame (64) and at least a connecting wall (108C, 108D) connecting the first porous wall (106A) and the second porous wall (106B) along the cathode frame (64), the first porous wall (106A), the second porous wall (106B) and the connecting wall (108C, 108D) defining an internal space (109) containing or defining the internal cathode receiving compartment (90).

Classes IPC  ?

• C25C 7/04 - DiaphragmesÉléments d'espacement
• C25C 1/10 - Production, récupération ou affinage électrolytique des métaux par électrolyse de solutions des métaux du groupe du fer, de métaux réfractaires ou du manganèse du chrome ou du manganèse

Abrégé

The invention relates to a box comprising a plurality of anode frames (66), a plurality of cathode frames (64) placed between the anode frames (66) and a plurality of diaphragms (68) disposed between each cathode frame (64) and each anode frame (66). Each cathode frame (64) delimits an inner cathode-receiving compartment (90) and at least one lateral supply opening (96) for supplying a feed solution containing manganese ions to the inner compartment (90). Each cathode frame (64) defines an upper lateral opening (98) for discharging cathode gases and said upper discharge opening (98) is disposed above the or each lateral supply opening (96) for the feed solution so that the discharge opening opens at least partially above the feed solution.

Classes IPC  ?

• C25C 1/10 - Production, récupération ou affinage électrolytique des métaux par électrolyse de solutions des métaux du groupe du fer, de métaux réfractaires ou du manganèse du chrome ou du manganèse
• C25C 7/00 - Éléments structurels, ou leur assemblage, des cellulesEntretien ou conduite des cellules
• C25D 17/00 - Éléments structurels, ou leurs assemblages, des cellules pour revêtement électrolytique

Abrégé

The invention relates to an internal box (16) for an electrolytic manganese cell, of the type comprising: a plurality of anode frames (66); a plurality of cathode frames (64) placed between the anode frames (66); a plurality of diaphragms (68) disposed between each cathode frame (64) and each anode frame (66); and a clamping assembly (72) for holding the cathode frames (64), anode frames (66) and diaphragms (68) against one another, each anode frame (66) having an inner anode-receiving compartment (144) delimited at the bottom by a bottom cross-member (142). The anode frame (66) includes a plurality of disjoint supporting fingers (146) projecting upwards from the bottom cross-member (142), and the diaphragms (68) next to the anode frame (66) are applied laterally against the supporting fingers (146).

Classes IPC  ?

• C25C 1/10 - Production, récupération ou affinage électrolytique des métaux par électrolyse de solutions des métaux du groupe du fer, de métaux réfractaires ou du manganèse du chrome ou du manganèse
• C25C 7/00 - Éléments structurels, ou leur assemblage, des cellulesEntretien ou conduite des cellules
• C25D 17/00 - Éléments structurels, ou leurs assemblages, des cellules pour revêtement électrolytique

Abrégé

The invention relates to a method for producing a lithium chloride solution from brine containing lithium, characterized in that the separation of lithium chloride from the other components of the brine containing lithium is carried out using an ion-exchange resin arranged in at least one column (1, 2, 3, 4, 5, 6), and in that said separation is carried out using the sequential simulated moving bed (SMB) method.

Classes IPC  ?

• C01D 15/04 - Halogénures
• C02F 1/42 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par échange d'ions
• B01D 15/18 - Adsorption sélective, p. ex. chromatographie caractérisée par des caractéristiques de structure ou de fonctionnement relatives aux différents types d'écoulement

Abrégé

The main subject-matter of the present invention is a process for the dissolution of at least one element chosen from niobium and tantalum and at least one other element chosen from uranium and the rare earth elements, advantageously for the dissolution of niobium, tantalum, uranium and rare earth elements, present in an ore or an ore concentrate. Said process comprises: - the roasting of a material, comprising said elements, which material is mixed, dry or/in the presence of water, with an acid roasting agent in order to obtain a calcine; said material consisting of said ore or concentrate or having been obtained from said ore or said concentrate and said acid roasting agent providing for roasting in a sulphate medium; and - the dissolution in an aqueous solution of the calcine obtained in order to obtain a slurry, the liquid fraction of which includes iron, in the ferric state, at a concentration of at least 50 g/l, advantageously of at least 70 g/l and very advantageously of at least 120 g/l.

Classes IPC  ?

• C22B 1/02 - Procédés de grillage
• C22B 1/06 - Grillage sulfatant
• C22B 34/24 - Obtention du niobium ou du tantale
• C22B 59/00 - Obtention des métaux des terres rares
• C22B 60/02 - Obtention du thorium, de l'uranium ou des autres actinides
• C22B 3/06 - Extraction de composés métalliques par voie humide à partir de minerais ou de concentrés par lixiviation dans des solutions inorganiques acides
• C22B 3/08 - Acide sulfurique

Abrégé

Process for the treatment of a lateritic nickel/cobalt ore consisting of a mixture (2) of limonite and saprolite, characterized in that: the mixture (2) in the presence of an iron-precipitating agent is made into a pulp (1), having a solids content of between 10 and 40% by weight; the pulp undergoes a leaching operation (4) with sulphuric acid (5), at a temperature between 70° C. and the boiling point and at atmospheric pressure; and a solid-liquid separation (8) is carried out so as to obtain an iron-containing solid residue (9) and a solution containing nickel and cobalt ions. Process for producing nickel and/or cobalt intermediate concentrates or commercial products using the above process.

Classes IPC  ?

• C22B 23/00 - Obtention du nickel ou du cobalt

Produits et services

Nickel carbonate hydroxide in the form of granules, powder and paste.

Abrégé

Process for the treatment of a lateritic nickel/cobalt ore consisting of a mixture (2) of limonite and saprolite, characterized in that: the mixture (2) in the presence of an iron-precipitating agent is made into a pulp (1), having a solids content of between 10 and 40% by weight; the pulp undergoes a leaching operation (4) with sulphuric acid (5), at a temperature between 70°C and the boiling point and at atmospheric pressure; and a solid-liquid separation (8) is carried out so as to obtain an iron-containing solid residue (9) and a solution containing nickel and cobalt ions. Process for producing nickel and/or cobalt intermediate concentrates or commercial products using the above process.

Classes IPC  ?

• C22B 23/00 - Obtention du nickel ou du cobalt

Produits et services

Nickel carbonate hydroxide in the form of granules, powder [ and paste ]

Produits et services

Produits chimiques destinés à l'industrie, aux sciences, à la photographie, ainsi qu'à l'agriculture, l'horticulture et la sylviculture; résines artificielles à l'état brut, matières plastiques à l'état brut, engrais pour les terres; compositions extinctrices, préparations pour la trempe et la soudure des métaux, produits chimiques destinés à conserver les aliments, matières tannantes, adhésifs (matières collantes) destinés à l'industrie. Métaux communs et leurs alliages, matériaux de construction métalliques, constructions transportables métalliques, matériaux métalliques pour les voies ferrées, câbles et fils métalliques non électriques, serrurerie métallique non électrique, quincaillerie métallique; tuyaux métalliques, coffres-forts; minerais.

Produits et services

(1) Métaux communs et leurs alliages; matériaux de construction métalliques, et quincaillerie métallique, nommément plaques et barres métalliques, outils métalliques de précision, poinçonneuses, outils métalliques destinés à la coupe, le moulage et le travail des métaux, parties métalliques de pompes à injections, pompes hydrauliques; constructions transportables métalliques; matériaux métalliques pour les voies ferrées; câbles et fils métalliques non électriques; serrurerie métallique non électrique, tuyaux métalliques; coffres-forts; minerais.

Produits et services

(1) Produits chimiques destinés à l'industrie, nommément, catalyseurs, sels de nickel, sulfates de nickel, chlorure de nickel, hydrate de nickel, carbonate de nickel, chlorure de cobalt, chlorure ferrique, minerais de nickel, ferronickel, matte, aciers inoxydables, alliages à base de nickel, poudres de cobalt, poudres de tungstène, carbures de tungstène.

Produits et services

ELECTROLYTICALLY PURE NICKEL PLATES AND BLOCKS

Produits et services

Pure electrolytic nickel plates and squares.

Produits et services

NICKEL AND FERRO-NICKEL IN FORM OF INGOTS, SHEETS, AND PLATES; NICKEL AND FERRO-NICKEL TUBES AND PIPES CONTAINING LESS THAN 50% IRON