Patents Assigned to L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation
des Procedes Georges Claude
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Publication number: 20230280093Abstract: An air separation apparatus comprises: a first rectification column, a first condensing portion, a second rectification column, a third rectification column, a second condensing portion, a fourth rectification column, a third condensing portion, and a recycling pipe for recycling a gas drawn from the third condensing portion to the second rectification column. The air separation apparatus furthermore comprises: a branch pipe branching from the recycling pipe; and a control unit for controlling opening/closing of a valve so that a gas drawn from the third condensing portion is fed to the branch pipe for a predetermined period from the start of driving of the third condensing portion, and for controlling opening/closing of the valve so that the gas drawn from the third condensing portion is fed to the recycling pipe after the predetermined period has elapsed.Type: ApplicationFiled: March 7, 2023Publication date: September 7, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l Exploitation des Procedes Georges ClaudeInventors: Maxime RANCHOUX, Shinji TOMITA
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Publication number: 20230278003Abstract: A packing section intended to be installed in a casing so as to form a gas/liquid separation column comprises a block for treating a fluid that has a generally cylindrical shape extending along a longitudinal direction, the treatment block being formed by a stack of plates for treating the fluid along the longitudinal direction, the treatment block having a first disc-shaped face and a second disc-shaped face that each extend in planes parallel to one another, the treatment block having an external face extending over the perimeter of said treatment block between the first disc-shaped face and the second disc-shaped face, the packing section having at least one element for holding the treatment block that extends at least partially around the external face of the treatment block, the holding element having a portion for holding the treatment plates of the treatment block in position.Type: ApplicationFiled: March 7, 2023Publication date: September 7, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges ClaudeInventors: Victor BAITOKARA, Vincent FAUCHER, Ludovic AMANT, Philippe DANEL, Gilles LEBAIN, Cyrille BABINET
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Publication number: 20230278004Abstract: A casing intended to be equipped with at least one section of packing for a gas/liquid separation column comprises at least a tubular wall extending along a longitudinal direction between two longitudinal ends and an internal face of which contributes to delimiting a housing for the section of packing, the tubular wall contributing to delimiting, at one of its longitudinal ends, an entry opening, the casing comprising an end wall located at the opposite longitudinal end to the entry opening, the casing comprising at least a first hooping device and at least a second hooping device which are positioned around the tubular wall of the casing in contact with an external face of the tubular wall, the first hooping device comprising at least one zone of connection with a movement system for the moving of the casing, the second hooping device having a longitudinal dimension shorter than a longitudinal dimension of the first hooping device.Type: ApplicationFiled: January 27, 2023Publication date: September 7, 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
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Patent number: 11745150Abstract: An installation for rearing animals includes an injector; a water inlet line and a gas inlet line arriving in the injector; a source of oxygen or a gas mixture including oxygen, capable of delivering oxygen into the gas line; and a water recirculation loop including: a water tank, at atmospheric pressure, to supply the injector with fresh water; a coil capable of receiving water charged with dissolved oxygen from the injector through a pump, wherein the coil creates a water/oxygen contact time; and an overflow valve, to have the water resulting from the coil passed in order to be able to direct the water entirely to the animals' watering or partially to the animals' watering and partially back to the water tank. A method for rearing animals includes boosting water with dissolved oxygen up to saturation for animals' watering.Type: GrantFiled: November 8, 2018Date of Patent: September 5, 2023Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Franck Cousin, Dominique Ibarra, Philippe Campo, Pauline Le Dru
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Patent number: 11746009Abstract: The invention relates to a process for the start-up of an autothermal reformer, wherein syngas is produced in the autothermal reformer during start-up through steam reforming. To facilitate autoignition in the autothermal reformer reactor of the autothermal reformer, the reformed syngas is recycled to an upstream section of the autothermal reformer reactor and is mixed with process steam and a hydrocarbon containing process stream. As soon as a minimum hydrogen threshold concentration at the upstream section of the autothermal reformer reactor is reached in the mixed process stream, oxygen is added to the burner of the ATR reactor to obtain autoignition of the mixed process stream. Due to the process of the invention, an external hydrogen source for facilitating autoignition of the mixed stream can be omitted. The invention further relates to a plant configured to carry out the process of the invention.Type: GrantFiled: December 17, 2020Date of Patent: September 5, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Chin Han Lim, Hans Kopetsch, Veronika Gronemann
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Patent number: 11745280Abstract: The invention relates to a method for manufacturing a heat exchanger including stacking a set of plates parallel to one another and to a longitudinal direction so as to define a plurality of passages suitable for the flow in the longitudinal direction of a first fluid to be brought into a heat-exchange relationship with at least a second fluid, said plates being delimited by a pair of longitudinal edges extending in the longitudinal direction and a pair of lateral edges extending in a lateral direction perpendicular to the longitudinal direction, and forming at least one of the plates by superposing at least a first flat product and a second flat product on top of one another, having at least one groove that extends parallel to the plates and leads towards the outside of the stack through at least one opening in a lateral or longitudinal edge.Type: GrantFiled: May 14, 2021Date of Patent: September 5, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Jacopo Seiwert, Marc Wagner, Marie-Adelaide Cremieux, Younes Belmekki
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Patent number: 11746959Abstract: The invention relates to a gas container equipped with a gas distribution valve having an electronic device for measuring gas autonomy. Flow selection means allow a desired gas flow to be selected. The electronic device includes a pressure sensor. Signal processing means allow gas autonomies to be determined on the basis of the pressure signal and of the selectable gas flows. A selection component cooperates with the signal processing means in order to successively display, on data display means and in response to successive digital activations by the user of the selection component, the various selectable flow values and the various corresponding autonomies, with each flow value being simultaneously displayed with a corresponding autonomy.Type: GrantFiled: January 13, 2021Date of Patent: September 5, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Federica Bellingeri, Adrien Campagnac, Alexis Mary
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Patent number: 11740015Abstract: An air separation unit using cryogenic distillation comprises a first column, a second column thermally linked to the first column, a first argon column, a second argon column, means for sending cooled, compressed and purified air to at least the first column, means for sending at least one fluid enriched in nitrogen from the first column to the second column and at least one fluid enriched in oxygen from the first column to the second column, means for sending a gas enriched in argon from the second column to a first end of the first argon column, means for sending gas from a second end of the first argon column to a first end of the second argon column, means for removing argon rich fluid from a second end of the second argon column, a pump, means for removing argon enriched liquid from the first end of the second argon column and sending it to the second end of the first argon column via the pump, the first end of the first argon column being raised above the ground by a first supporting structure, the pumType: GrantFiled: January 26, 2018Date of Patent: August 29, 2023Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Remy Kurtz, Patrice Cavagne, Delphine Vallier
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Patent number: 11739220Abstract: A Si-containing film forming composition comprising a catalyst and/or a polysilane and a N—H free, C-free, and Si-rich perhydropolysilazane having a molecular weight ranging from approximately 332 dalton to approximately 100,000 dalton and comprising N—H free repeating units having the formula [—N(SiH3)x(SiH2-)y], wherein x=0, 1, or 2 and y=0, 1, or 2 with x+y=2; and x=0, 1 or 2 and y=1, 2, or 3 with x+y=3. Also disclosed are synthesis methods and applications for using the same.Type: GrantFiled: February 21, 2019Date of Patent: August 29, 2023Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, American Air Liquide, Inc.Inventors: Antonio Sanchez, Gennadiy Itov, Manish Khandelwal, Cole Ritter, Peng Zhang, Jean-Marc Girard, Zhiwen Wan, Glenn Kuchenbeiser, David Orban, Sean Kerrigan, Reno Pesaresi, Matthew Damien Stephens, Yang Wang, Guillaume Husson, Grigory Nikiforov
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Publication number: 20230264162Abstract: Provided is a method for cooling a methanol r synthesis reactor effluent vapor stream in a methanol production plant, wherein the method comprises the steps of: receiving, using an inlet of a cooler, the methanol synthesis reactor effluent vapor stream from an interchanger or a methanol synthesis reactor of the methanol production plant; and spraying, using a recirculation pump connected to a spraying device, a liquid condensate received from a methanol synthesis loop onto a tube sheet of the cooler which enables direct contact of the liquid condensate with the methanol synthesis reactor effluent vapor stream and cools the methanol synthesis reactor effluent vapor stream.Type: ApplicationFiled: January 20, 2023Publication date: August 24, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Bryce WILLIAMS, Tobias OELMANN
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Patent number: 11732678Abstract: Device for supplying fluid to a user apparatus, in particular a cryogenic fuel such as hydrogen, to an engine, the device comprising a liquefied cryogenic fluid tank comprising a liquid phase and a gaseous phase, a user apparatus, a heating unit comprising a first end which is connected to the tank and a second end which is connected to the user apparatus, the drawing-off duct comprising a heater for the fluid drawn off, the device comprising a system for pressurising the tank comprising a pressurising duct comprising a first end which is connected to an upper end of the tank, a second end which is connected to a lower end of the tank, the pressurising duct comprising a fluid pumping unit and a heating unit, and being configured to draw off gaseous fluid from the tank, to heat it in the heating unit, and to re-inject this heated fluid into the low part in the liquid phase, characterised in that the pressurising duct and the drawing-off duct have a portion in common, and in that the heating unit and the heaterType: GrantFiled: February 1, 2022Date of Patent: August 22, 2023Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventor: Yan Pennec
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Patent number: 11724229Abstract: The invention relates to a process and plant for purifying a raw synthesis gas containing hydrogen and carbon monoxide as target components and carbon dioxide and sulfur components as disruptive components by gas scrubbing with a physically acting, liquid scrubbing medium selective for carbon dioxide and sulfur components. The process/the plant comprise an absorption apparatus, a hot regeneration apparatus, a preferably multistage flash regeneration apparatus and a reabsorber column supplied with the first portion of a stripping gas. According to the invention the flash regeneration apparatus is supplied with the second portion of the stripping gas.Type: GrantFiled: June 29, 2021Date of Patent: August 15, 2023Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Robert Szabo, Sophia Schmidt
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Publication number: 20230249151Abstract: The present invention relates to a device for inserting at least one packing section into a cylindrical shell, comprising a base provided with gripping means configured to grip hold of a packing section and arranged at regular intervals around a main axis, wherein the insertion device comprises at least two telescopic devices secured to the base and at least one pushing means secured to one end of each of the two telescopic devices, the telescopic devices being configured to extend and cause the pushing means to move.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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Publication number: 20230249097Abstract: The present invention relates to an insertion device for inserting at least one packing section for a gas/liquid separation column into a cylindrical casing, comprising a base provided with retaining means which are configured to grip a packing section and which are arranged uniformly around a main axis, characterized in that the insertion device comprises at least two fastening means secured to the base, said fastening means being configured to fasten the insertion device to the casing. The invention also covers an insertion system for inserting at least one packing section into a cylindrical casing, comprising such an insertion device, and a method for inserting at least one packing section into a cylindrical casing that is implemented by such an insertion system.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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Publication number: 20230251030Abstract: Certain embodiments of the invention relate to a facility for refrigerating hydrogen to cryogenic temperatures, and in particular for liquefying hydrogen, comprising a circuit for hydrogen to be refrigerated comprising an upstream end to be connected to a hydrogen source, and a downstream end connected to a refrigerated hydrogen collection member, the refrigeration facility comprising a set of one or more heat exchangers in thermal exchange with the circuit of hydrogen to be refrigerated, the facility comprising a device for refrigerating by heat exchange with the set of one or more heat exchangers, the refrigerating device comprising a refrigerator with a refrigeration cycle of a cycle gas such as hydrogen, at least one portion of the hydrogen circuit, of the set of one or more exchangers and of the refrigerating device being housed in a vacuum-insulated cold box, the facility comprising in the cold box, at least one ejector the suction inlet of which is connected to the gas phase of a fluid capacity and theType: ApplicationFiled: May 27, 2021Publication date: August 10, 2023Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Bertille GUENEGO, Patrick LE BOT, Axelle GAERTNER
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Publication number: 20230249954Abstract: The present invention concerns a gripping device for gripping a packing section, having a support forming a chassis and retaining means connected to this support and distributed angularly so as to surround the packing section that is to be gripped, characterized in that at least one of the retaining means has movable shoes respectively intended to be in contact with a peripheral edge of the packing section and a plurality of platforms disposed in at least two stages, each platform bearing articulation means able to interact with a platform of a different stage or one of the movable shoes.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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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