Patents Assigned to L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
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Publication number: 20230249096Abstract: The present invention relates to an insertion device for inserting at least one section of packing for a gas/liquid separation column into a cylindrical casing, characterized in that a deployment module comprises a main member centred about a main axis of the insertion device, and a plurality of peripheral members arranged circumferentially and uniformly around the main axis, each of the peripheral members comprising an attachment means configured to grasp hold of a packing section, the deployment module comprising a plurality of branches arranged as pairs of branches connecting the main member to one of the peripheral members, the deployment module being able to modify the dimension of the insertion device by modifying a radial distance between the main member and each of the peripheral members.Type: ApplicationFiled: February 7, 2023Publication date: August 10, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Cyrille BABINET, Eric GALLOPIN, Gilles LEBAIN
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Patent number: 11718796Abstract: The invention relates to a process and a plant for staged separation of concomitants from a raw synthesis gas stream to produce synthesis gas and a sulfur-free naphtha product as a by-product, To remove naphtha compounds and sulfur-containing concomitants, raw synthesis gas is treated with a scrubbing medium in a prescrubbing stage and withdrawn from the prescrubbing stage, and the laden scrubbing medium is mixed with water to bring about a phase separation into a scrubbing medium-water mixture and naphtha, wherein sulfur-containing concomitants are in solution in naphtha. To remove the sulfur-containing concomitants the naphtha is heated to obtain sulfur-free naphtha as a by-product of the gas scrubbing.Type: GrantFiled: August 27, 2020Date of Patent: August 8, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Sophia Schmidt, Sharon Corbet
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Patent number: 11717806Abstract: An adsorbent bed, including at least one elementary composite structure that includes adsorbent particles in a polymer matrix, wherein the adsorbent bed has a bed packing, ?bed, defined as a volume occupied by the at least one elementary composite structure Vecs divided by a volume of the adsorbent bed Vbed where ?bed is greater than 0.60.Type: GrantFiled: July 11, 2020Date of Patent: August 8, 2023Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Philippe A. Coignet, Dean W. Kratzer, Antoine Pruvot, Matthew Metz
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Patent number: 11702336Abstract: The invention relates to a process and a plant for producing pure hydrogen from an input gas containing hydrogen and hydrocarbons, in particular from a hydrogen-containing refinery off-gas, by steam reforming in a steam reforming stage and multi-stage hydrogen enrichment. According to the invention the input gas containing hydrogen and hydrocarbons is separated in a first hydrogen enrichment stage into a hydrogen-enriched substream and a hydrogen-depleted substream, wherein at least a portion of the hydrogen-enriched substream is supplied to a second hydrogen enrichment stage or introduced into the pure hydrogen product stream and at least a portion of the hydrogen-depleted substream is supplied to the steam reforming stage as a reforming feed stream or as part thereof and/or to the burners as a fuel gas stream.Type: GrantFiled: November 24, 2020Date of Patent: July 18, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Swatantra Kumar Shrivastava, Mirko Huebel, Mrityunjoy Samaddar
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Publication number: 20230221067Abstract: A single compressor is used to separately compress permeate from cascaded first and second gas separation membrane-based separation units and residue from a fourth gas separation membrane-based separation unit in order to avoid too high a CO2 partial pressure in the compressed permeate. After the permeates from the first and second stages are compressed, the compressed stream is fed to a third gas separation membrane-based separation unit.Type: ApplicationFiled: January 13, 2022Publication date: July 13, 2023Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Sandeep KARODE, Paul TERRIEN, Cyril DEFAYE
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Publication number: 20230221068Abstract: A heat exchanger for indirect heat exchange between a first and a second fluids to be cooled and at least a third fluid to be heated, made up of a plurality of passages, namely a first series of passages for the flow at least of the first and of the second fluids, a second series of passages for the flow of the third fluid to be placed in a heat exchange relationship with the first and second fluids, the exchanger comprising three sections, the second section being between the first and third sections and means for introducing the first fluid into only a portion of the passages of the first series in the second section.Type: ApplicationFiled: January 6, 2023Publication date: July 13, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventor: Benoit DAVIDIAN
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Publication number: 20230213273Abstract: An integrated industrial unit is provided, which can include: a nitrogen source configured to provide liquid nitrogen; a hydrogen source; a hydrogen liquefaction unit, wherein the hydrogen liquefaction unit comprises a precooling system, and a liquefaction system; and a liquid hydrogen storage tank, wherein the precooling system is configured to receive the gaseous hydrogen from the hydrogen source and cool the gaseous hydrogen to a temperature between 75 K and 100 K, wherein the precooling system comprises a primary refrigeration system and a secondary refrigeration system, wherein the liquefaction system is in fluid communication with the precooling system and is configured to liquefy the gaseous hydrogen received from the precooling system to produce liquid hydrogen, wherein the liquid hydrogen storage tank is in fluid communication with the liquefaction system and is configured to store the liquid hydrogen received from the liquefaction system.Type: ApplicationFiled: August 26, 2022Publication date: July 6, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Michael A. TURNEY, Alain GUILLARD, Bobby Mon-Flan CHAN
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Publication number: 20230213278Abstract: An integrated industrial unit is provided, which can include: a nitrogen source comprising an air separation unit that is configured to provide pressurized gaseous nitrogen and liquid nitrogen; a hydrogen source; a hydrogen liquefaction unit, wherein the hydrogen liquefaction unit comprises a precooling system, and a liquefaction system; and a liquid hydrogen storage tank, wherein the precooling system is configured to receive the gaseous hydrogen from the hydrogen source and cool the gaseous hydrogen to a temperature between 70K and 100K, wherein the precooling system comprises a primary refrigeration system and a secondary refrigeration system, wherein the liquefaction system is in fluid communication with the precooling system and is configured to liquefy the gaseous hydrogen received from the precooling system to produce liquid hydrogen, wherein the liquid hydrogen storage tank is in fluid communication with the liquefaction system and is configured to store the liquid hydrogen received from the liquefactType: ApplicationFiled: December 16, 2022Publication date: July 6, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Michael A. TURNEY, Alain GUILLARD, Bobby CHAN
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Publication number: 20230211281Abstract: A single compressor is used to separately compress permeate from cascaded first and second gas separation membrane-based separation units and residue from a fourth gas separation membrane-based separation unit in order to avoid too high a CO2 partial pressure in the compressed permeate. After the permeates from the first and second stages are compressed, the compressed stream is fed to a third gas separation membrane-based separation unit.Type: ApplicationFiled: December 31, 2021Publication date: July 6, 2023Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude, Air Liquide Advanced Technologies U.S. LLCInventors: Sandeep KARODE, Paul TERRIEN, Cyril DEFAYE
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Publication number: 20230212007Abstract: A method for producing hydrogen in a steam methane reformer with reduced carbon emissions that can include the steps of: heating a feed stream comprising methane in a first heat exchanger to produce a heated feed stream, wherein the heated feed stream is at a temperature above 500° C.Type: ApplicationFiled: December 23, 2022Publication date: July 6, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges ClaudeInventors: Alexander ROESCH, Richard DUBETTIER, Dieter ULBER, Florian PONTZEN, Guillaume LODIER, Michael LUTZ
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Publication number: 20230211293Abstract: A CMS membrane module includes plurality of hollow fiber CMS membranes that are enclosed within an open cylindrical shell whose ends are embedded in tubesheets. The shell is concentrically disposed within an open cylindrical pressure vessel whose open ends are covered by and secured by end caps. The shell includes a feed fluid inlet formed therein between the tubesheets and a retentate outlet in between one of the tubesheets and an adjacent end cap. A retentate seal is formed between the shell and the pressure vessel at a position between the tubesheets. A permeate seal is formed between the pressure vessel and the tubesheet that is adjacent a permeate port of the module. A structure made up of the CMS membranes, shell, tubesheets, and seals is slidable within the pressure vessel and not fixed in place in relation to the pressure vessel and end caps.Type: ApplicationFiled: December 31, 2021Publication date: July 6, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges ClaudeInventors: Tao LI, Raja SWAIDAN, Robert A. GAGLIANO
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Publication number: 20230212006Abstract: An apparatus for producing hydrogen in a steam methane reformer with reduced carbon emissions, the apparatus comprising: a first heat exchanger configured to heat a feed stream comprising methane to produce a heated feed stream that is at a temperature above 500° C.Type: ApplicationFiled: December 23, 2022Publication date: July 6, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Alexander ROESCH, Richard DUBETTIER, Dieter ULBER, Florian PONTZEN, Guillaume LODIER, Michael LUTZ
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Publication number: 20230213148Abstract: Heat is transferred from a flow of liquid hydrogen to a flow of a heat transfer fluid at a first heat exchanger to produce a warmed flow of pressurized hydrogen and a cooled flow of heat transfer fluid. Heat is also transferred at a second heat exchanger, to the cooled flow of heat transfer fluid, from a flow of pressurized hydrogen that is derived from one or more buffer vessels filled by the warmed flow of pressurized hydrogen and/or the warmed flow of pressurized hydrogen from the first exchanger to produce a cooled flow of pressurized hydrogen that is used to fill tanks of fuel cell electric vehicles.Type: ApplicationFiled: September 15, 2022Publication date: July 6, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges ClaudeInventors: Vincent FAIRY, Anh Thao THIEU
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Publication number: 20230213274Abstract: A hydrogen feed stream is introduced into a primary refrigeration system of a precooling system and cooling the hydrogen stream to a first precooling temperature. From there, the precooled hydrogen stream is then introduced to a secondary refrigeration system of the precooling system and cooling the precooled hydrogen stream to a second temperature. Next, the cooled hydrogen stream is then liquefied in the liquefaction system to produce liquid hydrogen. The refrigeration is provided by expansion of a pressurized gaseous nitrogen stream and vaporization of a liquid nitrogen stream that is sourced from a nearby air separation unit.Type: ApplicationFiled: December 16, 2022Publication date: July 6, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Michael A. TURNEY, Alain GUILLARD, Bobby CHAN
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Publication number: 20230213272Abstract: A hydrogen feed stream is introduced into a primary refrigeration system of a precooling system and cooling the hydrogen stream to a first precooling temperature. From there, the precooled hydrogen stream is then introduced to a secondary refrigeration system of the precooling system and cooling the precooled hydrogen stream to a second temperature. Next, the cooled hydrogen stream is then liquefied in the liquefaction system to produce liquid hydrogen.Type: ApplicationFiled: August 26, 2022Publication date: July 6, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Michael A. TURNEY, Alain GUILLARD, Bobby Mon-Flan CHAN
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Patent number: 11691108Abstract: A CMS membrane module includes plurality of hollow fiber CMS membranes that are enclosed within an open cylindrical shell whose ends are embedded in tubesheets. The shell is concentrically disposed within an open cylindrical pressure vessel whose open ends are covered by and secured by end caps. The shell includes a feed fluid inlet formed therein between the tubesheets and a retentate outlet in between one of the tubesheets and an adjacent end cap. A retentate seal is formed between the shell and the pressure vessel at a position between the tubesheets. A permeate seal is formed between the pressure vessel and the tubesheet that is adjacent a permeate port of the module. A structure made up of the CMS membranes, shell, tubesheets, and seals is slidable within the pressure vessel and not fixed in place in relation to the pressure vessel and end caps.Type: GrantFiled: December 31, 2021Date of Patent: July 4, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Tao Li, Raja Swaidan, Robert A. Gagliano
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Patent number: 11692896Abstract: A method for calculating the autonomy of a gas distribution system assembly including a container containing gas and equipped with at least one gas filling indicator device and a gas flow rate indicator device at the output of the container. The method includes recovering at least one item of identification information on the container and/or the gas used. The method also includes acquiring at least one image to recover a first datum on a value indicated by the gas filling indicator device and a second datum on a value indicated by the flow rate indicator device. The method also includes communicating the at least one acquired image and the at least one recovered item of identification to a computation module configured to deduce therefrom a corresponding value of autonomy of the gas distribution assembly, the computation module including at least the ability to process images.Type: GrantFiled: November 23, 2020Date of Patent: July 4, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventor: Michele Quattrone
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Publication number: 20230204159Abstract: This invention can provide a hydrogen refueling system capable to reduce waiting time for refueling H2 to vehicles. The system is designed and operated to acquire the residual pressure in the vehicle the that connects to the dispenser, then to calculate sufficient conditions to perform complete refueling of the connected vehicle (in particular minimum pressure in buffers), and then to start H2 transfer to the vehicle as soon as the conditions are met. Waiting time can be further reduced with minimum investment by having a H2 dispenser with two H2 refueling hoses which has only one H2 flow control valve and/or only one H2 cooling heat exchanger and/or only one H2 flow metering system.Type: ApplicationFiled: July 31, 2017Publication date: June 29, 2023Applicant: L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDEInventors: Etienne WERLEN, Thibaut FRANCOIS
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Patent number: 11686471Abstract: A furnace for performing an endothermic process, comprising tubes containing catalyst for converting gaseous feed, wherein tubes are positioned inside the furnace in rows parallel to refractory walls along X axis, wherein burners are mounted either to the furnace floor or to the furnace ceiling, inner burners being mounted in rows between the rows of tubes and outer burners being mounted in rows between tubes rows and the wall along X axis, and close to said wall along X axis, wherein the outer burners are positioned such that the distance b2w between the outer burner and the wall along X axis is smaller than or equal to equivalent burner nozzle diameter øb of said outer burner (b2w/øb?1).Type: GrantFiled: May 17, 2018Date of Patent: June 27, 2023Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventor: Diana Tudorache
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Publication number: 20230191359Abstract: The main subject of the present invention is a process for installing a section of packing in a casing by means of a device to assist installation of a section of packing, the casing comprising at least one tubular wall extending in a longitudinal direction (L) between two longitudinal ends, and an inner face of which participates in delimiting a receptacle for the section of packing, the tubular wall participating in delimiting an input opening at one of its longitudinal ends, the casing comprising a base wall positioned at the longitudinal end opposite the input opening, the casing being positioned horizontally during the process for installing the section of packing, the process comprising a step of fitting of the device to assist installation on the casing, during which the device to assist installation is secured in the vicinity of the input opening of the casing, a step of positioning of the section of packing relative to the device to assist installation and to the input opening, and at least one stepType: ApplicationFiled: December 19, 2022Publication date: June 22, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Vincent FAUCHER, Manuel DOS REIS, Vincent MARET, Luis TORBADO, Alain APPEL, Eric BIRET, Laurent LECLERC