Patents by Inventor Jerome Pigourier
Jerome Pigourier 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: 11898108Abstract: A process for hydrocracking a petroleum feedstock involves: (a) hydrocracking the feedstock to obtain a hydrocracked effluent; (b) liquid/gas separation of the effluent to obtain a gaseous effluent and a liquid effluent; (c) fractionating the liquid effluent at a pressure P1, producing a first distillate and a first residue, (d) recycling a first portion of the first residue to hydrocracking, (e) rectifying a second portion of the first residue at a pressure P2 lower than or equal to the pressure P1, to obtain a secondary distillate, a secondary residue and a vapor stream, (f) purging a portion of the secondary residue, and (g) recycling all or part of the secondary distillate to hydrocracking.Type: GrantFiled: June 16, 2022Date of Patent: February 13, 2024Assignee: AXENSInventors: Jerome Bonnardot, Hugues Dulot, Alexis Paillier, Jerome Pigourier, Nicolas Pupat
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Publication number: 20230158471Abstract: The present invention relates to a plant for oligomerizing ethylene to produce oligomerized alpha-olefins, with production of a fouling by-product in the form of a deposit, said plant comprising a reaction section comprising: —a reactor (c) for two-phase gas/liquid or single-phase all-liquid oligomerization proceeding from an optional solvent, an oligomerization catalyst and ethylene, and —cooling means associated with said reactor in the form of at least one cooling circuit external to the reactor and/or in the form of a jacket of the walls of the reactor. Packings are disposed in the reaction section in order to increase the contact surface area per unit volume that is accessible to the deposition of the byproduct.Type: ApplicationFiled: March 12, 2021Publication date: May 25, 2023Applicant: IFP Energies nouvellesInventors: Cyprien CHARRA, Olivier COTTE, Frédéric FAVRE, Slavik KASZTELAN, Jérôme PIGOURIER
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Publication number: 20220403262Abstract: A process for hydrocracking a petroleum feedstock involves: (a) hydrocracking the feedstock to obtain a hydrocracked effluent; (b) liquid/gas separation of the effluent to obtain a gaseous effluent and a liquid effluent; (c) fractionating the liquid effluent at a pressure P1, producing a first distillate and a first residue, (d) recycling a first portion of the first residue to hydrocracking, (e) rectifying a second portion of the first residue at a pressure P2 lower than or equal to the pressure P1, to obtain a secondary distillate, a secondary residue and a vapor stream, (f) purging a portion of the secondary residue, and (g) recycling all or part of the secondary distillate to hydrocracking.Type: ApplicationFiled: June 16, 2022Publication date: December 22, 2022Applicant: AXENSInventors: Jerome BONNARDOT, Hugues DULOT, Alexis PAILLIER, Jerome PIGOURIER, Nicolas PUPAT
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Patent number: 11242302Abstract: The present invention describes a process for obtaining para-xylene from a feedstock containing xylenes, ethylbenzene and C9+ hydrocarbons, said process comprising a single stage A of separation in a simulated moving bed carried out with a zeolite as adsorbent and a desorbent and making it possible to obtain at least three fractions, a fraction A1 comprising a mixture of para-xylene and of desorbent and two fractions A21, A22 comprising ethylbenzene (EB), ortho-xylene (OX) and meta-xylene (MX) and desorbent, said stage is carried out at a temperature between 20° C. and 250° C., under a pressure between the bubble pressure of the xylenes at the operating temperature and 2.0 MPa, and with a ratio by volume of the desorbent to the feedstock in the unit for separation 2 in a simulated moving bed is between 0.4 and 2.Type: GrantFiled: June 21, 2019Date of Patent: February 8, 2022Assignee: AXENSInventors: Isabelle Prevost, Jerome Pigourier, Gerard Hotier
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Publication number: 20210261483Abstract: The present invention describes a process for obtaining para-xylene from a feedstock containing xylenes, ethylbenzene and C9+ hydrocarbons, said process comprising a single stage A of separation in a simulated moving bed carried out with a zeolite as adsorbent and a desorbent and making it possible to obtain at least three fractions, a fraction A1 comprising a mixture of para-xylene and of desorbent and two fractions A21, A22 comprising ethylbenzene (EB), ortho-xylene (OX) and meta-xylene (MX) and desorbent, said stage is carried out at a temperature between 20° C. and 250° C., under a pressure between the bubble pressure of the xylenes at the operating temperature and 2.0 MPa, and with a ratio by volume of the desorbent to the feedstock in the unit for separation 2 in a simulated moving bed is between 0.4 and 2.Type: ApplicationFiled: June 21, 2019Publication date: August 26, 2021Applicant: AXENSInventors: Isabelle PREVOST, Jerome PIGOURIER, Gerard HOTIER
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Patent number: 10954176Abstract: The present invention relates to a process for producing high-purity para-xylene, comprising a single step of separation by adsorption in an SMB, with a subsequent step of separation by distillation in a first three-fraction distillation column producing at least two raffinates and optionally of two isomerization steps, making it possible to improve the overall para-xylene yield of the aromatic loop and to minimize the economic impact.Type: GrantFiled: June 27, 2019Date of Patent: March 23, 2021Assignee: AXENSInventors: Isabelle Prevost, Jerome Pigourier, Pierre-Yves Martin, Arnaud Cotte
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Patent number: 10876051Abstract: The present invention relates to a process and a device for separating a feedstock comprising benzene, toluene and C8+ compounds, by means of at least one “reformate” distillation column (C1), one aromatics extraction unit (P1), one para-xylene separation unit (P2), one xylene isomerization unit (P3) and one transalkylation unit (P4), the effluents of said units being separated in the following distillation columns: purification column (C6), deheptanizer (C7) and toluene column (C10), in which at least one of said distillation columns is suitable for being operated under vacuum so that: the majority of the C7? compounds are recovered in the product at the top of the distillation column operated under vacuum, and the majority of the C8+ compounds are recovered in the product at the bottom of the distillation column operated under vacuum.Type: GrantFiled: May 2, 2019Date of Patent: December 29, 2020Assignee: AXENSInventors: Arnaud Cotte, Jérôme Pigourier, Nicolas Pupat
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Patent number: 10669493Abstract: The present invention relates to a process and to a device for the separation of a feedstock comprising benzene, toluene and C8+ compounds, in which: a toluene column (C10) is fed directly with a C7+ cut resulting from the bottom of a stabilization column (C11) positioned downstream of a transalkylation unit (P4); a C7? cut is withdrawn at the top of the toluene column (C10) and a C8+ cut is withdrawn at the bottom; a benzene column (C9) is fed with the C7? cut resulting from the toluene column (C10); an essentially aromatic cut resulting from an aromatics extraction unit (P1) is injected into the toluene column (C10) separately above the feeding of the C7+ cut or into the benzene column (C9).Type: GrantFiled: May 3, 2019Date of Patent: June 2, 2020Assignee: AXENSInventors: Jérôme Pigourier, Isabelle Prevost
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Patent number: 10563140Abstract: An installation and a process which jointly implement compression of acid gases from a hydroconversion or hydrotreatment unit and gaseous effluents from a catalytic cracking unit.Type: GrantFiled: December 22, 2016Date of Patent: February 18, 2020Assignee: AXENSInventors: Odile Lajeunesse, Nicolas Lambert, Jacinthe Frecon, Jerome Pigourier
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Publication number: 20200002252Abstract: The present invention relates to a process for producing high-purity para-xylene, comprising a single step of separation by adsorption in an SMB, with a subsequent step of separation by distillation in a first three-fraction distillation column producing at least two raffinates and optionally of two isomerization steps, making it possible to improve the overall para-xylene yield of the aromatic loop and to minimize the economic impact.Type: ApplicationFiled: June 27, 2019Publication date: January 2, 2020Applicant: AXENSInventors: Isabelle PREVOST, Jerome PIGOURIER, Pierre-Yves MARTIN, Arnaud COTTE
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Publication number: 20190338202Abstract: The present invention relates to a process and to a device for the separation of a feedstock comprising benzene, toluene and C8+ compounds, in which: a toluene column (C10) is fed directly with a C7+ cut resulting from the bottom of a stabilization column (C11) positioned downstream of a transalkylation unit (P4); a C7? cut is withdrawn at the top of the toluene column (C10) and a C8+ cut is withdrawn at the bottom; a benzene column (C9) is fed with the C7? cut resulting from the toluene column (C10); an essentially aromatic cut resulting from an aromatics extraction unit (P1) is injected into the toluene column (C10) separately above the feeding of the C7+ cut or into the benzene column (C9).Type: ApplicationFiled: May 3, 2019Publication date: November 7, 2019Inventors: Jérôme PIGOURIER, Isabelle PREVOST
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Publication number: 20190338196Abstract: The present invention relates to a process and a device for separating a feedstock comprising benzene, toluene and C8+ compounds, by means of at least one “reformate” distillation column (C1), one aromatics extraction unit (P1), one para-xylene separation unit (P2), one xylene isomerization unit (P3) and one transalkylation unit (P4), the effluents of said units being separated in the following distillation columns: purification column (C6), deheptanizer (C7) and toluene column (C10), in which at least one of said distillation columns is suitable for being operated under vacuum so that: the majority of the C7? compounds are recovered in the product at the top of the distillation column operated under vacuum, and the majority of the C8+ compounds are recovered in the product at the bottom of the distillation column operated under vacuum.Type: ApplicationFiled: May 2, 2019Publication date: November 7, 2019Inventors: Arnaud COTTE, Jérôme PIGOURIER, Nicolas PUPAT
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Patent number: 10370307Abstract: The invention concerns a process for the oligomerization of ethylene into alpha-olefins, comprising a step for the oligomerization of ethylene, a step for deactivation of the catalyst, a and step for separation of the products, the reactor being provided with a cooling loop (100, 101, 102) by means of which at least a portion of the reaction effluent is moved through at least two switchable heat exchangers, said heat exchangers being cleaned alternately by means of an integrated cleaning device.Type: GrantFiled: December 21, 2017Date of Patent: August 6, 2019Assignees: AXENS, IFP Energies NouvellesInventors: Catherine Boutrot, Nicolas Janot, Xavier Liege, Etienne Niderkorn, Jerome Pigourier, Daniel Jean Vinel, Frederic Favre, Lionel Magna
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Patent number: 10131849Abstract: The present invention describes a process for the isomerization of a light naphtha with a view to forming high octane number gasolines, said process using a deisopentanizer and a deisohexanizer which are thermally integrated in a manner such as to reduce the consumption of the high temperature utilities employed in the process.Type: GrantFiled: April 20, 2015Date of Patent: November 20, 2018Assignee: AXENSInventors: Isabelle Prevost, Laurent Watripont, Pierre-Yves Martin, Jerome Pigourier
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Patent number: 10113121Abstract: The present invention describes a process for the production of high octane number gasoline by isomerization of a light naphtha cut, comprising two separation steps located downstream of the reaction step which can be used to improve the energy efficiency of said process.Type: GrantFiled: April 20, 2015Date of Patent: October 30, 2018Assignee: AXENSInventors: Jerome Pigourier, Isabelle Prevost, Laurent Watripont, Pierre-Yves Martin
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Patent number: 10077220Abstract: In a process for producing para-xylene, at least one feed comprising C6+ aromatic hydrocarbons is supplied to a dividing wall distillation column to separate the feed into a C7? aromatic hydrocarbon-containing stream, a C8 aromatic hydrocarbon-containing stream and a C9+ aromatic hydrocarbon-containing stream. At least part of the C8 aromatic hydrocarbon-containing stream is then supplied to a para-xylene recovery unit to recover para-xylene from the C8 aromatic hydrocarbon-containing stream and produce a para-xylene depleted stream. The para-xylene depleted stream is contacted with a xylene isomerization catalyst in a xylene isomerization zone under conditions effective to isomerize xylenes in the para-xylene depleted stream and produce an isomerized stream, which is then at least partially recycled to the para-xylene recovery unit.Type: GrantFiled: June 5, 2017Date of Patent: September 18, 2018Assignee: ExxonMobil Chemical Patents Inc.Inventors: Michel Molinier, Kevin J. Knob, Dennis J. Stanley, Terri S. Vander Pol, Chunshe J. Cao, Xiaobo Zheng, Thierry LeFlour, Jacques Rault, Stephane Claudel, Isabelle Prevost, Jerome Pigourier, Celia Fernandez
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Publication number: 20180179122Abstract: The invention concerns a process for the oligomerization of ethylene into alpha-olefins, comprising a step for the oligomerization of ethylene, a step for deactivation of the catalyst, a and step for separation of the products, the reactor being provided with a cooling loop (100, 101, 102) by means of which at least a portion of the reaction effluent is moved through at least two switchable heat exchangers, said heat exchangers being cleaned alternately by means of an integrated cleaning device.Type: ApplicationFiled: December 21, 2017Publication date: June 28, 2018Applicants: AXENS, IFP Energies NouvellesInventors: Catherine BOUTROT, Nicolas JANOT, Xavier LIEGE, Etienne NIDERKORN, Jerome PIGOURIER, Daniel Jean VINEL, Frederic FAVRE, Lionel MAGNA
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Publication number: 20170275218Abstract: In a process for producing para-xylene, at least one feed comprising C6+ aromatic hydrocarbons is supplied to a dividing wall distillation column to separate the feed into a C7? aromatic hydrocarbon-containing stream, a C8 aromatic hydrocarbon-containing stream and a C9+ aromatic hydrocarbon-containing stream. At least part of the C8 aromatic hydrocarbon-containing stream is then supplied to a para-xylene recovery unit to recover para-xylene from the C8 aromatic hydrocarbon-containing stream and produce a para-xylene depleted stream. The para-xylene depleted stream is contacted with a xylene isomerization catalyst in a xylene isomerization zone under conditions effective to isomerize xylenes in the para-xylene depleted stream and produce an isomerized stream, which is then at least partially recycled to the para-xylene recovery unit.Type: ApplicationFiled: June 5, 2017Publication date: September 28, 2017Applicant: ExxonMobil Chemical Patents Inc.Inventors: Michel Molinier, Kevin J. Knob, Dennis J. Stanley, Terri S. Vander Pol, Chunshe J. Cao, Xiaobo Zheng, Thierry LeFlour, Jacques Rault, Stephane Claudel, Isabelle Prevost, Jerome Pigourier, Celia Fernandez
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Patent number: 9745232Abstract: A process for the isomerization of a feed of hydrocarbon compounds containing C5 and/or C hydrocarbon compounds, comprising: a) supplying an isomerization unit with at least one liquid fraction of the feed of hydrocarbon compounds and isomerizing the feed in the presence of a chlorinated catalyst; b) supplying a stabilization unit containing at least one stabilization column with the effluent obtained from the isomerization unit and separating the effluent; c) providing an absorption unit having one absorption column; d) extracting a liquid flow enriched in chlorinated compounds from the absorption unit which is recycled to the isomerization unit; and e) extracting the liquid flow containing at least one isomerate from the stabilization unit.Type: GrantFiled: October 19, 2015Date of Patent: August 29, 2017Assignee: AXENSInventors: Jerome Pigourier, Isabelle Prevost, Laurent Watripont, Pierre-Yves Martin
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Patent number: 9708233Abstract: In a process for producing para-xylene, at least one feed comprising C6+ aromatic hydrocarbons is supplied to a dividing wall distillation column to separate the feed into a C7? aromatic hydrocarbon-containing stream, a C8 aromatic hydrocarbon-containing stream and a C9+ aromatic hydrocarbon-containing stream. At least part of the C8 aromatic hydrocarbon-containing stream is then supplied to a para-xylene recovery unit to recover para-xylene from the C8 aromatic hydrocarbon-containing stream and produce a para-xylene depleted stream. The para-xylene depleted stream is contacted with a xylene isomerization catalyst in a xylene isomerization zone under conditions effective to isomerize xylenes in the para-xylene depleted stream and produce an isomerized stream, which is then at least partially recycled to the para-xylene recovery unit.Type: GrantFiled: June 18, 2015Date of Patent: July 18, 2017Assignee: ExxonMobil Chemical Patents Inc.Inventors: Michel Molinier, Kevin J. Knob, Dennis J. Stanley, Terri S. Vander Pol, Chunshe Cao, Xiaobo Zheng, Thierry LeFlour, Jacques Rault, Stephane Claudel, Isabell Prevost, Jerome Pigourier, Celia Fernandez