Patents Assigned to L'Exploitation Des
  • Publication number: 20200070087
    Abstract: The invention relates to a process for removal of metal carbonyls from crude synthesis gas in a gas scrubbing process with a physical scrubbing medium. Scrubbing medium laden with hydrogen sulfide (H2S) and metal carbonyls is sent to a treatment vessel having a residence time region and a scrubbing region. Metal carbonyls are precipitated from the laden scrubbing medium as metal sulfides in the residence time region. The scrubbing region is supplied with a regenerated scrubbing medium.
    Type: Application
    Filed: August 29, 2019
    Publication date: March 5, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude
    Inventors: Sharon CORBET, Alfred GUBRINSKI, Sophia SCHMIDT
  • Publication number: 20200072417
    Abstract: The present invention is to provide a hydrogen refueling system capable to cool down the H2 pre-cooling heat exchanger fast enough when a FCV enters the HRS, so that there is no or very minimal waiting time for the customer before starting refueling. A hydrogen refueling system including a cryogenic fluid tank that stores a cryogenic fluid, a dispenser that supplies H2 to a vehicle, including a heat exchanger that cools H2 with the cold and/or cryogenic fluid provided from the cryogenic fluid tank, an inlet line that sends the cold and/or cryogenic fluid to the heat exchanger from the cryogenic fluid tank, an outlet line that collects the cryogenic fluid fed from the heat exchanger, and an injection valve that is provided in the inlet line.
    Type: Application
    Filed: December 6, 2016
    Publication date: March 5, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des procedes Georges Claude
    Inventors: Etienne WERLEN, Thierry OTT
  • Patent number: 10577559
    Abstract: A feed stream comprising fatty acids with chain lengths C6 to C20 is distilled in a first column to provide a C6-C8 top cut, a C8-C10 middle cut and a C12+ bottom cut, said C12+ bottom cut being distilled in a second column to provide a C12-C14 top cut and a C16+ bottom cut, said C16+ bottom cut being distilled in a third column to provide a C16-C18 top cut and a C18+ bottom cut.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: March 3, 2020
    Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Flaiyh Farhan Al-Anazi, Francisco Reyes
  • Publication number: 20200063917
    Abstract: The present invention is to provide a hydrogen refueling system capable to cool down the H2 pre-cooling heat exchanger fast enough when a FCV enters the HRS, so that there is no or very minimal waiting time for the customer before starting refueling. A hydrogen refueling system includes a chiller including a cooling unit that cools a circulating refrigerant by a cooling medium, a dispenser that supplies H2 to a vehicle, including a heat exchanger that cools H2 with the circulating refrigerant provided from the chiller, a circulation line that circulates the circulating refrigerant between the cooling unit and the heat exchanger, a chiller compressor that is provided in the chiller; a cold generation valve that is provided close to an inlet of the heat exchanger in the circulation line.
    Type: Application
    Filed: December 6, 2016
    Publication date: February 27, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Etienne WERLEN, Thierry OTT
  • Publication number: 20200063051
    Abstract: A process for producing synthesis gas by gasifying a carbon carrier in a slurry having a significant content of phosphorus. According to the invention, the phosphorus compounds dissolved in the liquid phase of the suspension are at least partly precipitated by treating the suspension by increasing the pH of the suspension and/or increasing the concentration of metal cations in the suspension, before the suspension is heated further and subsequently applied to the gasification reactor.
    Type: Application
    Filed: February 2, 2018
    Publication date: February 27, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour I'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Matthias MULLER-HAGEDORN, Karsten COVELLA, Ingo BAUER
  • Publication number: 20200062427
    Abstract: Device and method for regulating a flow rate of gas intended to supply a propulsion apparatus for a spacecraft comprising xenon tank, a circuit comprising a withdrawing pipe having an upstream end connected to the tank and a downstream end connected to a propulsion member, the withdrawing pipe comprising an isolation first valve, a regulating second valve and a member for measuring the pressure downstream of the regulating second valve. The regulating second valve regulates the flow rate and/or the determined pressure according to the pressure measured. The regulating second valve is a proportional valve of electrically operated variable throughout PCV type.
    Type: Application
    Filed: November 14, 2017
    Publication date: February 27, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventor: Francois MARTIN
  • Patent number: 10569614
    Abstract: A method for transporting heat-sensitive products in a refrigerated truck that includes at least one product storage chamber, a cryogenic fluid reserve, and a main heat exchanger system for circulation of the cryogenic fluid therethrough. The main heat exchange system includes walls across which heat may be exchanged, one or more cold-producing blowers for bringing air inside the chamber into contact with the walls, and a heating system for heating air inside at least one of the chambers. Upon the occurrence of one or more events, heated air is blown into an intake side of the cold-producing blower(s).
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: February 25, 2020
    Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Jonathan Macron, Celso Zerbinatti, Dominique Jouvaud
  • Patent number: 10571043
    Abstract: A press-fit in situ retrofit assembly for a top entry valve and a method thereof are disclosed. The assembly includes an annular conduit (201) including a segment (202) of reduced outside diameter and a shoulder (203) on the exterior surface at the proximal end (204), and is configured to conform with an interior surface (205) of a valve seat (206) at the distal end (207). A valve body extension (208) with an interior annular region (301), and an inlet port (209) fluidically connected to the annular region (301). A gland packing push plate (211) is configured to allow the annular conduit (201) to pass through thereby forming an outlet port (212). And a thrust plate (403) is attached to the thrust screws (401). The thrust plate (403) allows the segment (202) of reduced outside diameter at the proximal end (204) of the annular conduit (201) to pass through, with the thrust plate (403) seating on the shoulder (203).
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: February 25, 2020
    Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Alain Briglia, Jianwei Li
  • Patent number: 10571158
    Abstract: Embodiments of the present invention relate to a refrigeration method, during which a user is supplied with frigories by means of a working gas, such as helium, that is cooled by having the same flow into a cold box that comprises, in series, at least one first aluminum heat exchanger having brazed plates and flanges, one second heat exchanger having welded plates, and one third aluminum heat exchanger having brazed plates and flanges in such a way that the flow of said working gas is at least partially caused to pass, consecutively, through the first exchanger, then through the second exchanger, and finally through the third exchanger before said working gas flow is directed to the user in order to supply the user with frigories.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: February 25, 2020
    Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Frederic Bonne, Mustapha Tebbani, Alain Briglia, Oriane De La Forterie
  • Patent number: 10562830
    Abstract: The present invention provides a gas separation system and a gas separation method capable of separating various types of hydrocarbon gas with high selectivity, and a gas separation system is for separating one type or more of hydrocarbon gases from mixed gas consisting of two types or more of hydrocarbon gases; having a porous metal-organic complex having pores determined by metal ion-containing planar ligands facing each other and pillar ligands coordinating between the planar ligands, and a controller for controlling at least a pressure of the mixed gas; and in which the pressure is controlled to control adsorption of the hydrocarbon gas to the porous metal-organic complex or desorption thereof from the porous metal-organic complex.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: February 18, 2020
    Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, Kyoto University
    Inventors: Christophe Lavenn, Patrick Ginet, Susumu Kitagawa, Ryotaro Matsuda
  • Patent number: 10563914
    Abstract: A method includes receiving input corresponding to a proposed configuration of a liquefaction facility and identifying a plurality of components utilized to produce LNG and/or LIN at the facility. The method includes determining an alternative configuration that is different from the proposed configuration. Determining the alternative configuration may include identifying resources accessible to a proposed location for the liquefaction facility and whether at least one of the resources accessible to the proposed location corresponds to a resource generated by a component identified by the proposed configuration, and determining whether to omit at least one component of the plurality of components identified by the proposed configuration. The method includes omitting the at least one component from the alternative configuration, and generating a report based on the proposed configuration and the alternative configuration.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: February 18, 2020
    Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
    Inventors: Alain Guillard, Michael A. Turney
  • Publication number: 20200047112
    Abstract: A facility and method for membrane permeation treatment of a feed gas flow containing at least methane and carbon dioxide that includes a compressor, a pressure measurement device, at least one valve, and first, second, third, and fourth membrane separation units for separation of CO2 from CH4 to permeates enriched in CO2 and retentates enriched in CH4, respectively. A temperature of the first retentate is adjusted at an inlet of the second membrane separation unit with at least one heat exchanger as a function of the measured CH4 concentration in such a way so as to reduce the determined difference.
    Type: Application
    Filed: August 8, 2019
    Publication date: February 13, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Jean-Marc CHAREYRE, Veronique GRABIE, Golo ZICK
  • Publication number: 20200047111
    Abstract: A facility and method for membrane permeation treatment of a feed gas flow containing at least methane and carbon dioxide that includes a compressor, a gas analyser, at least one valve, and first, second, third, and fourth membrane separation units for separation of CO2 from CH4 to permeates enriched in CO2 and retentates enriched in CH4, respectively. A pressure of the feed gas flow is adjusted according to a CH4 concentration of the second retentate.
    Type: Application
    Filed: August 8, 2019
    Publication date: February 13, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude
    Inventors: Jean-Marc CHAREYRE, Veronique GRABIE, Golo ZICK
  • Publication number: 20200041070
    Abstract: A device and process for refuelling containers comprising a pressurized gas source, a transfer circuit intended to be removably connected to a container, the device comprising a refrigeration system comprising a refrigerant cooling loop circuit comprising, arranged in series, a compressor, a condenser section, an expansion valve and an evaporator section, the refrigeration system comprising a cold source in heat exchange with the condenser section and a heat exchanger located in the transfer circuit, the refrigerant cooling loop circuit comprising a bypass conduit comprising an upstream end connected to the outlet of the compressor and a downstream end connected to the refrigerant cooling loop circuit upstream the compressor inlet, the device further comprising a bypass regulating valve for controlling the flow of refrigerant flowing into the by-pass conduit, the device comprising a pressure sensor for sensing the refrigerant pressure in the cooling loop circuit between the compressor inlet and the heat excha
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude
    Inventors: Etienne WERLEN, Marcus BUCK
  • Publication number: 20200041201
    Abstract: A device for refrigerating and/or liquefying a working gas comprising helium, the device comprising a looped working circuit for the working gas includes, in series, a compression station, a cold box, a heat exchange system exchanging heat between the cooled working gas and a user, the device further comprising an additional pre-cooling system comprising at least one tank of auxiliary cryogenic fluid, such as liquid nitrogen, the cold box comprising a first cooling stage of the working gas comprising a first exchanger disposed at the output of the compression station as well as a second heat exchanger and a third heat exchanger, the first heat exchanger being of the aluminum plate-fin type, the second heat exchanger being of the tube or welded plate type, characterized in that the second and third heat exchangers are connected both serially and in parallel on the working circuit downstream of the first heat exchanger.
    Type: Application
    Filed: September 26, 2019
    Publication date: February 6, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Jean-Marc BERNHARDT, Fabien DURAND, Vincent HELOIN, Pierre BARJHOUX, Gilles FLAVIEN
  • Publication number: 20200041072
    Abstract: A device and process for refuelling containers with pressurized gas comprising a pressurized gas source, a transfer circuit intended to be removably connected to a container, the device comprising a refrigeration system for cooling the gas flowing from the gas source prior to its entering into the container and comprising a refrigerant cooling loop circuit comprising, arranged in series, a compressor, a condenser section, an expansion valve and an evaporator section, the refrigeration system comprising a cold source in heat exchange with the condenser section and a heat exchanger located in the transfer circuit and comprising a heat exchange section between the gas flowing in the transfer circuit and the evaporator section, the device comprising an electronic controller configured to switch the refrigeration system in first standby mode when the device is not refuelling a container wherein the compressor is switched off when the temperature of the heat exchanger is equal or below a predefined first standby te
    Type: Application
    Filed: August 1, 2019
    Publication date: February 6, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude
    Inventors: Etienne WERLEN, Marcus BUCK
  • Publication number: 20200041071
    Abstract: A device and process for refuelling containers with pressurized gas comprising a pressurized gas source, a transfer circuit comprising one upstream end, the device comprising a refrigeration system for cooling the gas flowing from the gas source prior to its entering into the container, the refrigeration system comprising a refrigerant cooling loop circuit comprising, arranged in series, a compressor, a condenser section, an expansion valve and an evaporator section, the refrigeration system comprising a cold source in heat exchange with the condenser section and a heat exchanger located in the transfer circuit and comprising a heat exchange section between the gas flowing in the transfer circuit and the evaporator section, the refrigerant cooling loop circuit comprising a bypass conduit comprising an upstream end connected to the outlet of the compressor and a downstream end connected to the refrigerant cooling loop circuit upstream the compressor inlet and bypassing the condenser section and expansion valve
    Type: Application
    Filed: August 1, 2019
    Publication date: February 6, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Etienne WERLEN, Marcus BUCK
  • Publication number: 20200041323
    Abstract: A measured quantity of gas is introduced into a gas reservoir via a filling station including a flow meter. The quantity of gas transferred by the filling station to the reservoir is measured by the flow meter. The measured quantity of gas is reduced or increased by a predetermined corrective amount to yield a corrected gas quantity.
    Type: Application
    Filed: March 29, 2018
    Publication date: February 6, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventor: Thibaut FRANCOIS
  • Publication number: 20200041204
    Abstract: Plant for the production of argon by cryogenic distillation, comprising an argon separation column, means for sending a gas containing argon and oxygen to the argon separation column, means for extracting a fluid enriched in argon at the top of the argon separation column, means for extracting a liquid enriched in oxygen at the bottom of the argon separation column and at least two storage tanks, positioned one above the other, each storage tank being connected to two different intermediate levels of the argon separation column by two pipes, the two storage tanks being contiguous.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 6, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Alain BRIGLIA, Frederic STAINE, Mathieu LEAUTE, Ingrid BERTHAUME, Benedicte DOS SANTOS
  • Publication number: 20200039811
    Abstract: A device for refuelling containers with pressurized gas, comprising a pressurized gas source, a transfer circuit intended to be removably connected to a container, the device comprising a refrigeration system for cooling the gas flowing from the gas source prior to its entering into the container, the refrigeration system comprising a refrigerant cooling loop circuit comprising, arranged in series, a compressor, a condenser section, an expansion valve and an evaporator section, the refrigeration system comprising a cold source in heat exchange with the condenser section and a heat exchanger located in the transfer circuit, the device comprising an electronic controller connected to the expansion valve and configured for controlling cooling power produced by the refrigeration system via the control of the opening of the expansion valve, the device comprising a differential temperature sensor system measuring the difference between the temperature of the refrigerant in the refrigerant cooling loop circuit at th
    Type: Application
    Filed: July 30, 2019
    Publication date: February 6, 2020
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Etienne WERLEN, Marcus BUCK