Patents by Inventor Nicolas Chambron
Nicolas Chambron has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11371775Abstract: Process for eliminating the evaporation of a liquefied natural gas stream during the transfer thereof into a storage facility, comprising the following steps: Step a): liquefaction, by means of a refrigeration cycle, of a natural gas stream and of a nitrogen stream in a main heat exchanger; Step b): cooling of the liquefied natural gas stream from step a) in a second heat exchanger by circulation of said liquefied natural gas stream countercurrent to a liquid nitrogen flow that is vaporized while cooling said liquefied natural gas stream; wherein the liquid nitrogen flow used in step b) is from step a).Type: GrantFiled: February 13, 2017Date of Patent: June 28, 2022Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Nicolas Chambron, Loic Joly
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Patent number: 11060037Abstract: A process for the purification of a gas rich in hydrocarbons and comprising at least 10 ppm by volume of hydrocarbons having at least six carbon atoms nitrogen.Type: GrantFiled: July 12, 2016Date of Patent: July 13, 2021Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Nicolas Chambron, Pierre Costa De Beauregard, Henri Paradowski
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Patent number: 10890375Abstract: A method for producing liquefied natural gas and a stream of liquid nitrogen including step a): producing gaseous nitrogen in an air separation unit; step b): liquefying a stream of natural gas in a natural gas liquefaction unit including a main heat exchanger and a system for producing cold; step c): liquefying the nitrogen stream resulting from step a) in the main exchanger of the natural gas liquefaction unit in parallel with the liquefied natural gas in step b); wherein all the cold necessary for liquefying the stream of nitrogen and for liquefying the natural gas is supplied by the system for producing cold of the natural gas liquefaction unit.Type: GrantFiled: November 8, 2016Date of Patent: January 12, 2021Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges ClaudeInventors: Nicolas Chambron, Richard Dubettier-Grenier, Loic Joly, Vianney Meunier, Christophe Szamlewski
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Patent number: 10392251Abstract: The invention relates to a method for treating a mixture in order to separate carbon dioxide and hydrogen from said mixture, in which: i) the mixture is cooled and partially condensed and a first liquid is separated from the rest of the mixture in a first phase separator; ii) a gas from or derived from a gas from the first phase separator is treated in a hydrogen pressure swing adsorption module in order to produce a hydrogen-rich gas and a hydrogen-depleted residual gas; and iii) said hydrogen-depleted residual gas or a gas derived from said depleted gas is cooled and partially condensed and a second liquid is separated from the remaining gas in a second phase separator, separate from the first phase separator, wherein the first and/or second liquid being rich in carbon dioxide. The invention also relates to an installation for implementing such a method.Type: GrantFiled: May 11, 2015Date of Patent: August 27, 2019Assignee: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Nicolas Chambron, Richard Dubettier-Grenier, Mathieu Leclerc, Pascal Marty
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Publication number: 20180372404Abstract: A method for producing liquefied natural gas and a stream of liquid nitrogen including step a): producing gaseous nitrogen in an air separation unit; step b): liquefying a stream of natural gas in a natural gas liquefaction unit including a main heat exchanger and a system for producing cold; step c): liquefying the nitrogen stream resulting from step a) in the main exchanger of the natural gas liquefaction unit in parallel with the liquefied natural gas in step b); wherein all the cold necessary for liquefying the stream of nitrogen and for liquefying the natural gas is supplied by the system for producing cold of the natural gas liquefaction unit.Type: ApplicationFiled: November 8, 2016Publication date: December 27, 2018Inventors: Nicolas CHAMBRON, Richard DUBETTIER-GRENIER, Loic JOLY, Vianney MEUNIER, Christophe SZAMLEWSKI
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Publication number: 20180356150Abstract: A method for liquefying a hydrocarbon stream such as natural gas starting from a feed stream.Type: ApplicationFiled: August 3, 2016Publication date: December 13, 2018Inventor: Nicolas CHAMBRON
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Publication number: 20180208855Abstract: A process for the purification of a gas rich in hydrocarbons and comprising at least 10 ppm by volume of hydrocarbons having at least six carbon atoms nitrogen.Type: ApplicationFiled: July 12, 2016Publication date: July 26, 2018Inventors: Nicolas CHAMBRON, Pierre COSTA DE BEAUREGARD, Henri PARADOWSKI
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Patent number: 10012434Abstract: In a process for the production of carbon dioxide and hydrogen from a gas flow comprising at least hydrogen, at least one sulfur-comprising component and carbon dioxide originating from a Claus unit fed with a gas comprising at least 50 mol % of oxygen, the gas flow is compressed and dried in order to produce a compressed and dried gas flow and the compressed and dried gas flow is separated at a subambient temperature in order to produce at least a fluid enriched in carbon dioxide with respect to the compressed and dried gas flow and at least a fluid enriched in hydrogen with respect to the compressed and dried gas flow.Type: GrantFiled: February 11, 2014Date of Patent: July 3, 2018Assignee: L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDEInventors: Nicolas Chambron, Richard Dubettier-Grenier, Sylvain Gerard
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Patent number: 9994452Abstract: The invention relates to a method for treating a hydrocarbon feed gas stream containing CO2 and H2S to recover a purified CO2 gas stream (vii), comprising: a. Separating said feed gas stream into a sweetened gas stream (i), and an acid gas stream (ii); b. Introducing stream (ii) into a Claus unit wherein an oxygen-rich stream is used as a combustive agent in the Claus furnace, thereby recovering a liquid stream of elemental sulfur (iii) and a tail gas stream (iv); c. Introducing the stream (iv) into a Tail Gas Treatment Unit (TGTU) thereby separating said tail gas stream into a CO2 enriched gas stream (v), and a stream enriched in sulfur compounds (vi); d. Compressing stream (v) exiting the TGTU; e. Passing the compressed CO2 enriched gas through a CO2 purification unit thereby recovering a purified CO2 gas stream (vii), and the device for carrying out said method.Type: GrantFiled: June 13, 2013Date of Patent: June 12, 2018Assignees: TOTAL SA, L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDEInventors: Claire Weiss, Kamlesh Ghodasara, Frederic Pousse, Wolfgang Nehb, Eckhard Jungst, Stefan Fraenkle, Sandeep Karode, Sylvain Gerard, Nicolas Chambron
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Publication number: 20170241705Abstract: Process for eliminating the evaporation of a liquefied natural gas stream during the transfer thereof into a storage facility, comprising the following steps: Step a): liquefaction, by means of a refrigeration cycle, of a natural gas stream and of a nitrogen stream in a main heat exchanger; Step b): cooling of the liquefied natural gas stream from step a) in a second heat exchanger by circulation of said liquefied natural gas stream countercurrent to a liquid nitrogen flow that is vaporized while cooling said liquefied natural gas stream; wherein the liquid nitrogen flow used in step b) is from step a).Type: ApplicationFiled: February 13, 2017Publication date: August 24, 2017Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Nicolas CHAMBRON, Loic JOLY
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Patent number: 9739485Abstract: The invention relates to a unit for the purification of a gas flow comprising CO and at least 45% CO2 and a method of operating said unit. In one embodiment, said unit contains a first compressor, a heat exchanger configured to cool the compressed gas flow, a separation chamber configured to separate head gas produced in the heat exchanger, a heater disposed on the line of the head gas originating from the separation chamber, a catalytic oxidation unit for oxidizing the compressed CO in the gas flow originating from the heater, and turbines placed downstream of the catalytic oxidation unit.Type: GrantFiled: September 25, 2013Date of Patent: August 22, 2017Assignee: L'Air Liquide Société Anonyme Pour L'Étude Et L'Exploitation Des Procedes Georges ClaudeInventors: Nicolas Chambron, Arthur Darde, Richard Dubettier-Grenier, Mathieu Leclerc
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Publication number: 20170081186Abstract: The invention relates to a method fro treating a mixture in order to separate carbon dioxide and hydrogen from said mixture, in which: i) the mixture is cooled and partially condensed and a first liquid is separated from the rest of the mixture in a first phase separator; ii) a gas from or derived from a gas from the first phase separator is treated in a hydrogen pressure swing adsorption module in order to produce a hydrogen-rich gas and a hydrogen-depleted residual gas; and iii) said hydrogen-depleted residual gas or a gas derived from said depleted gas is cooled and partially condensed and a second liquid is separated from the remaining gas in a second phase separator, separate from the first phase separator, wherein the first and/or second liquid being rich in carbon dioxide. The invention also relates to an installation for implementing such a method.Type: ApplicationFiled: May 11, 2015Publication date: March 23, 2017Applicant: L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges ClaudeInventors: Nicolas CHAMBRON, Richard DUBETTIER-GRENIER, Mathieu LECLERC, Pascal MARTY
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Publication number: 20160327333Abstract: The invention relates to a device for the liquefaction of a gas flow containing at least 95 mol-% carbon dioxide, comprising at least a first compression stage in which the feed gas flow is compressed; means for condensing the compressed flow, formed by two in-series phase separators, in order to partially condense the flow and produce a liquid flow; a first heat exchanger; a second heat exchanger; a means for conveying at least part of the liquid flow into the tubes of the first heat exchanger; a means for discharging a first part of the liquid cooled in the second heat exchanger, a valve, a means for conveying as second part of the liquid cooled in the second exchanger, and a means for compressing at least part of the vaporized flow and mixing this with the fed gas flow.Type: ApplicationFiled: January 9, 2015Publication date: November 10, 2016Inventors: Nicolas CHAMBRON, Arthur DARDE, Benoît DAVIDIAN, Mathieu LECLERC
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Publication number: 20160131423Abstract: In a process for the production of carbon dioxide and hydrogen from a gas flow comprising at least hydrogen, at least one sulfur-comprising component and carbon dioxide originating from a Claus unit fed with a gas comprising at least 50 mol % of oxygen, the gas flow is compressed and dried in order to produce a compressed and dried gas flow and the compressed and dried gas flow is separated at a subambient temperature in order to produce at least a fluid enriched in carbon dioxide with respect to the compressed and dried gas flow and at least a fluid enriched in hydrogen with respect to the compressed and dried gas flow.Type: ApplicationFiled: February 11, 2014Publication date: May 12, 2016Inventors: Nicolas CHAMBRON, Richard DUBETTIER-GRENIER, Sylvain GERARD
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Publication number: 20150285493Abstract: The invention relates to a unit for the purification of a gas flow comprising CO and at least 45% CO2 and a method of operating said unit. In one embodiment, said unit contains a first compressor, a heat exchanger configured to cool the compressed gas flow, a separation chamber configured to separate head gas produced in the heat exchanger, a heater disposed on the line of the head gas originating from the separation chamber, a catalytic oxidation unit for oxidizing the compressed CO in the gas flow originating from the heater, and turbines placed downstream of the catalytic oxidation unit.Type: ApplicationFiled: September 25, 2013Publication date: October 8, 2015Inventors: Nicolas Chambron, Arthur Darde, Richard Dubettier-Grenier, Mathie Leclerc
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Publication number: 20150283503Abstract: The invention relates to a method and apparatus for the oxygen purification of a supply gas flow comprising at least 45% CO2 and at least 10% oxygen, said method includes the steps of catalytically oxidizing the supply gas flow in the presence of a fuel and recovering the oxygen-depleted gas flow.Type: ApplicationFiled: September 18, 2013Publication date: October 8, 2015Inventors: Nicolas Chambron, Arthur Darde, Richard Dubettier-Grenier, Matthieu Leclerc
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Publication number: 20150191360Abstract: The invention relates to a method for treating a hydrocarbon feed gas stream containing CO2 and H2S to recover a purified CO2 gas stream (vii), comprising: a. Separating said feed gas stream into a sweetened gas stream (i), and an acid gas stream (ii); b. Introducing stream (ii) into a Claus unit wherein an oxygen-rich stream is used as a combustive agent in the Claus furnace, thereby recovering a liquid stream of elemental sulfur (iii) and a tail gas stream (iv); c. Introducing the stream (iv) into a Tail Gas Treatment Unit (TGTU) thereby separating said tail gas stream into a CO2 enriched gas stream (v), and a stream enriched in sulfur compounds (vi); d. Compressing stream (v) exiting the TGTU; e. Passing the compressed CO2 enriched gas through a CO2 purification unit thereby recovering a purified CO2 gas stream (vii), and the device for carrying out said method.Type: ApplicationFiled: June 13, 2013Publication date: July 9, 2015Inventors: Claire Weiss, Kamlesh Ghodasara, Frederic Pousse, Wolfgang Nehb, Eckhard Jungst, Stefan Fraenkle, Sandeep Karode, Sylvain Gerard, Nicolas Chambron