Patents Assigned to IFP
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Publication number: 20240173647Abstract: The present invention relates to a device and a process for separation by simulated moving bed comprising a plurality of adsorbers (1, 2) which are positioned in series and arranged alternately for upflow and downflow, each adsorber (1, 2) being divided into n adsorption chambers each comprising one adsorbent bed, the n adsorbent beds being separated by n plates for injecting at least one feed and a desorbent and withdrawing at least one extract and a raffinate.Type: ApplicationFiled: March 15, 2022Publication date: May 30, 2024Applicant: IFP ENERGIES NOUVELLESInventors: Alexandre VONNER, Damien LEINEKUGEL-LE-COCQ, Guillaume BLANCKE, Frédéric AUGIER, Aude ROYON-LEBEAUD, Manel FOURATI, Amir Hossein AHMADI-MOTLAGH
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Publication number: 20240174587Abstract: The invention relates to a process for extracting alcohols from an initial mixture (1) comprising alcohols in aqueous phase, with: a distillative separation by an isopropanol-butanol distillation column (III) equipped at the top with a condenser (c3), intended for separating said mixture into a water-isopropanol azeotrope stream (6) at the top and into a water-butanol azeotrope stream (7) at the bottom, a distillative separation intended for separating the water-butanol azeotrope stream into water and butanol, by a hetero-azeotropic distillation system comprising at least one water-recovering water column (IV) and at least one butanol (9)-recovering butanol column (V) equipped with a reboiler (r5), such that a heat transfer is performed from the top water-isopropanol azeotrope stream (6) entering the condenser of the isopropanol-butanol distillation column (III), to the stream entering the reboiler of the butanol column (V).Type: ApplicationFiled: March 9, 2022Publication date: May 30, 2024Applicant: IFP Energies nouvellesInventors: Eszter TOTH, Helene VELLY, Nicolas LOPES FERREIRA
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Patent number: 11992826Abstract: A process for rejuvenating an at least partially spent catalyst resulting from a hydrodesulfurization process of a sulfur-containing olefinic gasoline cut, where the at least partially spent catalyst result is from a fresh catalyst a metal from group VIII, a metal from group VIb, and an oxide support, where the process includes a) regenerating the at least partially spent catalyst in an oxygen-containing gas stream at a temperature between 350° C. and 550° C., b) the regenerated catalyst is brought into contact with an impregnation solution containing a compound containing a metal from group VIb, the molar ratio of the metal from group VIb added per metal from group VIb already present in the regenerated catalyst being between 0.15 and 2.5 mol/mol, c) a drying stage is carried out at a temperature of less than 200° C., and the use of the rejuvenated catalyst in a hydrodesulfurization process.Type: GrantFiled: December 10, 2019Date of Patent: May 28, 2024Assignee: IFP ENERGIES NOUVELLESInventors: Elodie Devers, Etienne Girard, Philibert Leflaive
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Patent number: 11993559Abstract: The invention relates to a process for treating an alcoholic feedstock, comprising: a) a stage of preheating of said alcoholic feedstock to a temperature of between 70° C. and 200° C.; b) a stage of pretreatment on an acidic solid, operating at a temperature of between 70° C. and 200° C., to produce a pretreated alcoholic feedstock; c) a stage of partial vaporization to produce a vaporized stream and a liquid stream; and d) a stage of purification of the liquid stream resulting from stage c), to give a stream rich in water, a stream rich in monoalcohol and a stream rich in impurities.Type: GrantFiled: November 27, 2019Date of Patent: May 28, 2024Assignees: TOTAL RESEARCH & TECHNOLOGY FELUY, IFP Energies NouveliesInventors: Nicolas Aribert, Ludovic Chahen, Arnaud Lanoue, Vincent Coupard, Nikolai Nesterenko
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Publication number: 20240158706Abstract: The present invention relates to a process and a device for the treatment and separation of aromatic compounds starting from a gasoline feedstock, comprising the following stages/units: selective hydrogenation (A) of the gasoline feedstock (1) in the presence of hydrogen (2) in order to produce a selective hydrogenation effluent (3); fractionation (B) of the selective hydrogenation effluent (3) in order to produce at least a C5? cut (4) containing compounds having 5 or less carbon atoms and a C6+ cut (5) containing compounds having at least 6 carbon atoms; hydrogenation (C) of the C6+ cut (5) in order to produce a hydrogenation effluent (6); extraction of the aromatics (D) from the hydrogenation effluent (6) in order to produce at least an aromatic stream (17) concentrated in aromatic compounds and a raffinate (10) concentrated in non-aromatic compounds, with respect to the composition of the hydrogenation effluent (6).Type: ApplicationFiled: March 23, 2022Publication date: May 16, 2024Applicant: IFP ENERGIES NOUVELLESInventors: Jérémy GAZARIAN, Sophie COUDERC, Pierre-Alain BREUIL, Réjane DASTILLUNG, Annick PUCCI, Souhir MATHIEU, Anaïs DORSEY
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Patent number: 11976259Abstract: The invention concerns a method for treating lignocellulosic biomass, said method comprising the following steps: a, Preparing an impregnation liquor (4) containing a chemical catalyst intended to impregnate the biomass b. Introducing the crushed biomass (6) through an inlet of an impregnation reactor (5), said inlet being situated in a first impregnation area (5a) of said impregnation reactor that comprises two superposed areas, said first impregnation area and a second so-called dewatering area (5b) above the impregnation area c. Introducing the liquor (4a) through a first liquor inlet situated in said first impregnation area (5a) of the reactor, d. Introducing said liquor (4b) into said reactor through a second liquor inlet in another area of the reactor (5d) situated below the biomass inlet in the first impregnation area (5b). The invention also concerns the facility for implementing the method.Type: GrantFiled: December 4, 2018Date of Patent: May 7, 2024Assignee: IFP ENERGIES NOUVELLESInventors: Caroline Aymard, Larissa Perotta
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Patent number: 11971138Abstract: The present invention is a pressure tank comprising a tubular part and two bottoms (5) with the bottoms (5) positioned at the ends of the tubular part. The tubular part comprises a cylindrical wall (1) and a ply of circumferential reinforcing elements (2) wound around cylindrical wall (1). The elastic modulus of the material of cylindrical wall (1) is less than the elastic modulus of the material of the first ply of circumferential reinforcing elements (2). The invention also relates to an energy storage and recovery system comprising a compressor, an expansion device, a heat storage and a compressed air tank according to the aforementioned characteristics.Type: GrantFiled: March 18, 2020Date of Patent: April 30, 2024Assignee: IFP ENERGIES NOUVELLESInventors: Victor Dubin, David Teixeira, Navid Saeedi
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Patent number: 11959030Abstract: The present invention relates to a process for producing olefins from a hydrocarbon feedstock 11 with a sulfur content of at least 0.1 weight %, an initial boiling point of at least 180° C. and a final boiling point of at least 600° C.Type: GrantFiled: July 6, 2020Date of Patent: April 16, 2024Assignee: IFP ENERGIES NOUVELLESInventors: Wilfried Weiss, Isabelle Merdrignac
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Patent number: 11951456Abstract: A process for preparing a catalyst for the hydrogenation of aromatic or polyaromatic compounds comprising nickel, copper and a support comprising at least one refractory oxide, comprising the following steps: bringing the support into contact with a solution containing at least one copper precursor and one nickel precursor; drying the catalyst precursor at a temperature of less than 250° C.; reducing the catalyst precursor by bringing said precursor into contact with a reducing gas at a temperature of between 150° C. and 250° C.; bringing the catalyst precursor into contact with a solution comprising a nickel precursor; a step of drying the catalyst precursor at a temperature of less than 250° C.; reducing the catalyst precursor by bringing said precursor into contact with a reducing gas at a temperature of between 150° C. and 250° C.Type: GrantFiled: January 8, 2020Date of Patent: April 9, 2024Assignee: IFP ENERGIES NOUVELLESInventors: Malika Boualleg, Anne-Agathe Quoineaud
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Patent number: 11946067Abstract: The present invention concerns a genetic tool comprising at least two distinct nucleic acids optimized to facilitate the transformation and modification by homologous recombination of a bacterium of the genus Clostridium, typically a solventogenic bacterium.Type: GrantFiled: May 24, 2019Date of Patent: April 2, 2024Assignee: IFP ENERGIES NOUVELLESInventors: Nicolas Lopes Ferreira, François Wasels, Gwladys Chartier
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Patent number: 11918982Abstract: The invention relates to a process for the rejuvenation of an at least partially spent catalyst resulting from a hydrotreating process, said at least partially spent catalyst resulting from a fresh catalyst comprising a metal from group VIII, a metal from group VIb, an oxide support, and optionally phosphorus, said at least partially spent catalyst additionally comprising carbon in a content of between 2% and 20% by weight, with respect to the total weight of the at least partially spent catalyst, and sulfur in a content of between 1% and 8% by weight, with respect to the total weight of the at least partially spent catalyst, said process comprising the following stages: a) said spent catalyst is brought into contact with an impregnation solution containing a compound comprising a metal from group VIb, b) a drying stage is carried out at a temperature of less than 200° C.Type: GrantFiled: December 10, 2019Date of Patent: March 5, 2024Assignee: IFP Energies NouvellesInventors: Elodie Devers, Etienne Girard, Philibert Leflaive
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Publication number: 20240067891Abstract: The present invention relates to a process for producing olefins from a hydrocarbon feedstock 11 having a sulfur content of at least 0.1 weight %, an initial boiling point of at least 180° C. and a final boiling point of at least 600° C.Type: ApplicationFiled: October 2, 2020Publication date: February 29, 2024Applicant: IFP Energies nouvellesInventors: Wilfried WEISS, Isabelle MERDRIGNAC
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Patent number: 11913640Abstract: The present invention relates to a device and a method for chemical looping combustion, for which the end of the intake duct (4) opening out within the chamber of the separator (1) is inclined with respect to a horizontal plane (H).Type: GrantFiled: September 13, 2019Date of Patent: February 27, 2024Assignees: IFP ENERGIES NOUVELLES, TOTAL RAFFINAGE CHIMIEInventors: Airy Tilland, Benjamin Amblard, Sina Tebianian, Ann Cloupet, Florent Guillou, Stephane Bertholin, Mahdi Yazdanpanah
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Publication number: 20240059977Abstract: The present invention relates to a process for treating a plastics pyrolysis oil, comprising: a) hydrogenation of said feedstock in the presence of at least hydrogen and of at least one hydrogenation catalyst at an average temperature of between 140 and 340° C., the outlet temperature of step a) being at least 15° C. higher than the inlet temperature of step a), to obtain a hydrogenated effluent; b) hydrotreatment of said hydrogenated effluent in the presence of at least hydrogen and of at least one hydrotreatment catalyst, to obtain a hydrotreated effluent, the average temperature of step b) being higher than the average temperature of step a); c) separation of the hydrotreated effluent in the presence of an aqueous stream, at a temperature of between 50 and 370° C., to obtain at least one gaseous effluent, an aqueous liquid effluent and a hydrocarbon-based liquid effluent.Type: ApplicationFiled: December 21, 2021Publication date: February 22, 2024Applicants: IFP ENERGIES NOUVELLES, REPSOL S.A.Inventors: Wilfried WEISS, Dominique DECOTTIGNIES, Jérôme BONNARDOT, Iñigo RIBAS SANGÜESA, Lidia ESCUDERO CASTEJON
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Publication number: 20240059981Abstract: The present invention relates to a process for trapping silicon compounds in a gaseous or liquid feedstock, comprising bringing the feedstock into contact with a trapping mass with a liquid hourly space velocity LHSV of less than 5 h?1 or a gas hourly space velocity GHSV of less than 500 h?1.Type: ApplicationFiled: December 9, 2021Publication date: February 22, 2024Applicant: IFP ENERGIES NOUVELLESInventors: Nicolas LEGAGNEUX, Marie-Claire MARION, Karin BARTHELET
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Publication number: 20240060095Abstract: The present invention relates to a process for producing alcohols, according to which a sugary fluid (2) is introduced into a reaction section (1) comprising a support (4) on which microorganisms are immobilized, in order to produce, by fermentation, an alcohol-enriched must (3) under the action of said microorganisms, characterized in that the process is carried out continuously, and such that a portion of spent support (41) is periodically replaced by a portion of new and/or regenerated support (46).Type: ApplicationFiled: December 2, 2021Publication date: February 22, 2024Applicant: IFP Energies nouvellesInventors: Jean-Christophe GABELLE, Eszter TOTH, Nicolas LOPES FERREIRA, Helene VELLY, Amandine GINET, Severine ARTERO
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Patent number: 11905471Abstract: The present invention relates to a hydrogenolysis process wherein a hydrocarbon-based feedstock comprising aromatic compounds having at least 8 carbon atoms is treated by means of a hydrogen feed and in the presence of a catalyst, in order to convert C2+ alkyl chains of said aromatic compounds into methyl groups and to produce a hydrogenolysis effluent enriched in methyl-substituted aromatic compounds, wherein the catalyst comprises a support, comprising at least one refractory oxide, and an active phase comprising nickel and molybdenum, wherein: the nickel content being between 0.1 and 25% by weight relative to the total weight of the catalyst; the molybdenum content being between 0.1 and 20% by weight relative to the total weight of the catalyst; and the catalyst comprising a molar ratio of molybdenum to nickel of between 0.2 and 0.9. The present invention also relates to said catalyst and to the process for preparing said catalyst.Type: GrantFiled: December 13, 2019Date of Patent: February 20, 2024Assignee: IFP ENERGIES NOUVELLESInventors: Vincent Coupard, Anne-Claire Dubreuil, Alexandre Jouve, Denis Uzio
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Publication number: 20240051186Abstract: The present invention relates to a process for treating a plastic feedstock, comprising: a) a dissolution step involving placing the feedstock in contact with a dissolution solvent, at a dissolution temperature of between 100° C. and 300° C. and a dissolution pressure of between 1 and 20.0 MPa abs, the dissolution solvent having a boiling point of between ?50° C. and 250° C., to obtain a crude polymer solution; b) a step of adsorption by placing the crude polymer solution in contact with an adsorbent, at a temperature of between 100 and 300° C. and a pressure of between 1.0 and 20.0 MPa abs, to obtain a refined polymer solution; and then c) a step of recovering the polymers, to obtain at least one solvent fraction and one purified polymer fraction.Type: ApplicationFiled: December 2, 2021Publication date: February 15, 2024Applicant: IFP Energies nouvellesInventors: Wilfried WEISS, Damien LEINEKUGEL LE COCQ, Mathilde SIBEAUD, Amir Hossein AHMADI-MOTLAGH
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Publication number: 20240050911Abstract: The present invention relates to a gas/liquid reactor for the oligomerization of gaseous ethylene, comprising a gaseous ethylene injection device and a liquid injection device, said injection devices advantageously being arranged so that the injection of the liquid can bring about a reduction, by shear, of the size of the ethylene bubbles, during the injection of the gaseous ethylene. The gas/liquid reactor according to the present invention may be used for any gaseous olefinic feedstock injected into a liquid phase.Type: ApplicationFiled: December 14, 2021Publication date: February 15, 2024Applicant: IFP Energies nouvellesInventors: Ludovic RAYNAL, Alexandre VONNER, Pedro MAXIMIANO RAIMUNDO
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Publication number: 20240050922Abstract: The present invention relates to a mass for trapping silicon compounds, comprising a porous alumina-based support and at least one metal chosen from the metals from groups VIB and VIIIB, and exhibiting a grain density of at least 1.20 g/ml, a specific surface of at least 300 m2/g and pores with a mean size of less than 6.5 nm, as determined by mercury porosimetry. The present invention also relates to a process for the preparation of said trapping mass and to a trapping process using said trapping mass.Type: ApplicationFiled: December 9, 2021Publication date: February 15, 2024Applicant: IFP ENERGIES NOUVELLESInventors: Nicolas LEGAGNEUX, Marie-Claire MARION, Karin BARTHELET, Patrick EUZEN, Joseph LOPEZ