Patents Assigned to IFP Energies Nouvelles
  • Patent number: 11918982
    Abstract: 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: Grant
    Filed: December 10, 2019
    Date of Patent: March 5, 2024
    Assignee: IFP Energies Nouvelles
    Inventors: Elodie Devers, Etienne Girard, Philibert Leflaive
  • Publication number: 20240067891
    Abstract: 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: Application
    Filed: October 2, 2020
    Publication date: February 29, 2024
    Applicant: IFP Energies nouvelles
    Inventors: Wilfried WEISS, Isabelle MERDRIGNAC
  • Patent number: 11913640
    Abstract: 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: Grant
    Filed: September 13, 2019
    Date of Patent: February 27, 2024
    Assignees: IFP ENERGIES NOUVELLES, TOTAL RAFFINAGE CHIMIE
    Inventors: Airy Tilland, Benjamin Amblard, Sina Tebianian, Ann Cloupet, Florent Guillou, Stephane Bertholin, Mahdi Yazdanpanah
  • Publication number: 20240059977
    Abstract: 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: Application
    Filed: December 21, 2021
    Publication date: February 22, 2024
    Applicants: IFP ENERGIES NOUVELLES, REPSOL S.A.
    Inventors: Wilfried WEISS, Dominique DECOTTIGNIES, Jérôme BONNARDOT, Iñigo RIBAS SANGÜESA, Lidia ESCUDERO CASTEJON
  • Publication number: 20240060095
    Abstract: 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: Application
    Filed: December 2, 2021
    Publication date: February 22, 2024
    Applicant: IFP Energies nouvelles
    Inventors: Jean-Christophe GABELLE, Eszter TOTH, Nicolas LOPES FERREIRA, Helene VELLY, Amandine GINET, Severine ARTERO
  • Publication number: 20240059981
    Abstract: 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: Application
    Filed: December 9, 2021
    Publication date: February 22, 2024
    Applicant: IFP ENERGIES NOUVELLES
    Inventors: Nicolas LEGAGNEUX, Marie-Claire MARION, Karin BARTHELET
  • Patent number: 11905471
    Abstract: 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: Grant
    Filed: December 13, 2019
    Date of Patent: February 20, 2024
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Vincent Coupard, Anne-Claire Dubreuil, Alexandre Jouve, Denis Uzio
  • Publication number: 20240051186
    Abstract: 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: Application
    Filed: December 2, 2021
    Publication date: February 15, 2024
    Applicant: IFP Energies nouvelles
    Inventors: Wilfried WEISS, Damien LEINEKUGEL LE COCQ, Mathilde SIBEAUD, Amir Hossein AHMADI-MOTLAGH
  • Publication number: 20240050911
    Abstract: 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: Application
    Filed: December 14, 2021
    Publication date: February 15, 2024
    Applicant: IFP Energies nouvelles
    Inventors: Ludovic RAYNAL, Alexandre VONNER, Pedro MAXIMIANO RAIMUNDO
  • Publication number: 20240050922
    Abstract: 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: Application
    Filed: December 9, 2021
    Publication date: February 15, 2024
    Applicant: IFP ENERGIES NOUVELLES
    Inventors: Nicolas LEGAGNEUX, Marie-Claire MARION, Karin BARTHELET, Patrick EUZEN, Joseph LOPEZ
  • Publication number: 20240042650
    Abstract: The present invention relates to a process for treating a plastic feedstock comprising polymers, comprising: a) a dissolution step involving placing the plastic 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, to dissolve at least a portion of the polymers of the plastic feedstock and to obtain a crude polymer solution; b) a step of washing by placing the crude polymer solution in contact with a dense solution, at a temperature of between 100° C. and 300° C., a pressure of between 1 and 20.0 MPa abs and at a mass ratio between the dense solution and the crude polymer solution of between 0.05 and 20.0, to obtain a washed polymer solution and a washing effluent; and then c) a step of recovering the polymers, to obtain a solvent fraction and a purified polymer fraction. FIG.
    Type: Application
    Filed: December 2, 2021
    Publication date: February 8, 2024
    Applicant: IFP ENERGIES NOUVELLES
    Inventors: Damien LEINEKUGEL LE COCQ, Wilfried WEISS, Amir Hossein AHMADI-MOTLAGH, Yacine HAROUN
  • Publication number: 20240043357
    Abstract: A method for selective hydrogenation of a C2 steam cracking fraction comprising acetylene, in the presence of a catalyst comprising an active phase based on at least one group VIII metal and a support provided in the form of a ceramic or metal monolith, characterized in that said support comprises a number of channels per unit length, CPSI, of between 300 and 1200, and in that the active phase is provided in the form of a layer on the walls of said support, the thickness of said layer of active phase being between 30 ?m and 150 ?m.
    Type: Application
    Filed: November 30, 2021
    Publication date: February 8, 2024
    Applicant: IFP Energies nouvelles
    Inventors: Florent ALLAIN, Yacine HAROUN, Marion SERVEL
  • Publication number: 20240042423
    Abstract: The invention relates to a process for rejuvenating an at least partially spent hydrotreating and/or hydrocracking catalyst, said catalyst comprising a group VIII metal, a group VIB metal and an oxide support, said process comprising the following steps: a) the catalyst is regenerated, b) said regenerated catalyst is then brought into contact with an impregnation solution consisting of a mixture of water, at least one precursor of a group VIB metal, at least one precursor of a group VIII metal and at least one organic compound, the amount of organic compound introduced into the regenerated catalyst being optimized with respect to the metals already present in the regenerated catalyst and with respect to the amount of metals introduced via the impregnation solution, c) a drying step is then carried out without subsequently calcining it.
    Type: Application
    Filed: December 2, 2021
    Publication date: February 8, 2024
    Applicant: IFP ENERGIES NOUVELLES
    Inventor: Elodie DEVERS
  • Patent number: 11885488
    Abstract: The invention relates to a CLC plant for the combustion of solid hydrocarbon feedstocks generating particles of unburnt residues, comprising a solid/solid separator above the combustion reactor in order to efficiently separate the particles of the oxygen-carrying solid from the particles of unburnt residues contained in the gas/solid mixture (14) exiting from the combustion reactor. The chamber (1) of the solid/solid separator, the combustion reactor and the inlet (2) for the gas/solid mixture (14) of the chamber have a parallelepiped shape. The inlet (2) is equipped at its top with means (3) for distribution of said gas/solid mixture in the chamber which extend over the entire length of the inlet, improving the solid/solid separation.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: January 30, 2024
    Assignees: IFP ENERGIES NOUVELLES, TOTAL RAFFINAGE CHIMIE
    Inventors: Stephane Bertholin, Ann Cloupet, Florent Guillou, Airy Tilland, Benjamin Amblard, Sina Tebianian, Mahdi Yazdanpanah
  • Patent number: 11885305
    Abstract: The present invention relates to a method of determining the wind speed in the plane of a rotor (PR) of a wind turbine (1), by measuring (MES2) the rotational speed of the rotor, the angle of the blades and the generated power. The method according to the invention uses a wind turbine model (MOD) constructed from wind speed measurements (LID), and by use of measurement clustering (GRO) and regressions (REG).
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: January 30, 2024
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Eduardo Bezerra Rufino Ferreira Paiva, Hoai-Nam Nguyen, Olivier Lepreux
  • Publication number: 20240026388
    Abstract: The subject of the invention is a process for treating lignocellulosic biomass comprising the following steps: a) conditioning the lignocellulosic biomass, b) washing said particles, c) separating the aqueous solution from the washed biomass particles, d) impregnating said lignocellulosic substrate with an acid liquor, e) carrying out a solid/liquid separation of the impregnated lignocellulosic substrate, f) pretreating said substrate from step e) by cooking, g) carrying out an enzymatic hydrolysis of the pretreated lignocellulosic substrate, h) carrying out a fermentation of the hydrolyzate from step g), and introducing the used aqueous washing solution into a step of said biomass treatment process which is after the pretreatment step f), and/or into an enzyme production step and/or into a step of producing/propagating the microorganisms necessary for steps g) or h).
    Type: Application
    Filed: January 20, 2020
    Publication date: January 25, 2024
    Applicants: INSTITUT NATIONAL DE RECHERCHE POUR L'AGRICULTURE L'ALIMENTATION ET L'ENVIRONNEMENT, IFP Energies Nouvelles
    Inventors: Caroline AYMARD, Severine LOUESDON-JEUNET, Romain ROUSSET, Damien HUDEBINE
  • Publication number: 20240018423
    Abstract: The present invention relates to a method for the selective hydrogenation of polyunsaturated compounds containing at least two carbon atoms per molecule in the presence of a catalyst comprising an active phase made from at least one group VIII metal and a support in the form of a ceramic or metal foam, the catalyst having a geometric surface area of between 1000 and 7000 m2/m3 and a pore diameter of between 0.2 and 1.5 mm.
    Type: Application
    Filed: October 20, 2021
    Publication date: January 18, 2024
    Applicant: IFP Energies nouvelles
    Inventors: Florent ALLAIN, Yacine HAROUN, Marion SERVEL
  • Publication number: 20240010932
    Abstract: The invention relates to a method for capturing organometallic impurities in a gasoline-type hydrocarbon feedstock containing sulfur compounds and olefins, wherein said feedstock is brought into contact with hydrogen and a capture mass comprising a nickel-based active phase, and a mesoporous and macroporous alumina substrate having a bimodal distribution of mesopores and wherein: —the volume of mesopores having a diameter greater than or equal to 2 nm and less than 18 nm corresponds to between 10 and 30% by volume of the total pore volume of said substrate; —the volume of mesopores with a diameter greater than or equal to 18 nm and less than 50 mm corresponds to between 30 and 50% by volume of the total pore volume of said substrate; the volume of macropores having a diameter greater than or equal to 50 nm and less than 8000 mm corresponds to between 30 and 50% by volume of the total pore volume of said substrate.
    Type: Application
    Filed: November 18, 2021
    Publication date: January 11, 2024
    Applicant: IFP Energies nouvelles
    Inventors: Elodie DEVERS, Etienne GIRARD, Philibert LEFLAIVE
  • Publication number: 20240010931
    Abstract: Method for treating a partially desulphurised sulphur-containing hydrocarbon feedstock from a preliminary hydrodesulphurisation step in the presence of a catalyst comprising an active phase comprising a group VII metal and a mesoporous and macroporous alumina support comprising a bimodal distribution of mesopores, wherein: -the volume of mesopores having a diameter greater than or equal to 2 nm and less than 18 nm is between 10 and 30% by volume of the total pore volume of the support; -the volume of mesopores having a diameter greater than or equal to 18 nm and less than 50 nm is between 30 and 50% by volume of the total pore volume of the support; -the volume of macropores having a diameter greater than or equal to 50 nm and less than 8000 nm is between 30 and 50% by volume of the total pore volume of the support.
    Type: Application
    Filed: November 18, 2021
    Publication date: January 11, 2024
    Applicant: IFP Energies nouvelles
    Inventors: Philibert LEFLAIVE, Etienne GIRARD, Antoine FECANT
  • Publication number: 20240010933
    Abstract: The invention relates to a method for hydrodesulfurization of a sulfur-containing olefinic gasoline cut wherein said gasoline cut, hydrogen and a catalyst comprising an alumina support obtained by dehydration of an aluminum hydroxide or oxyhydroxide at a temperature of between 400° C. and 1200° C. and for a time of between 0.1 seconds and 5 seconds, at least one metal from group VIB, at least one metal from group VIII, and phosphorus are brought into contact, the molar ratio between the phosphorus and the metal from group VIB being between and 0.35.
    Type: Application
    Filed: November 18, 2021
    Publication date: January 11, 2024
    Applicant: IFP Energies nouvelles
    Inventors: Philibert LEFLAIVE, Etienne GIRARD, Antoine FECANT, Charlie BLONS