公开(公告)号：US20180370869A1

公开(公告)日：2018-12-27

申请号：US16063595

申请日：2016-12-13

Applicant: IFP ENERGIES NOUVELLES ,  COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

Inventor： Nuno PACHECO ,  Margarita DORATO ,  Marc JACQUIN ,  Rejane DASTILLUNG ,  Sophie COUDERC

IPC: C07C1/207 ,  C07C11/167 ,  C07C67/08

Abstract: The invention relates to a method for producing 1,3-butanediene from a butanediol feedstock that includes: a) A step for esterification of butanediol by a carboxylic acid to form the corresponding diester; b) A step for pyrolysis of the diester effluent obtained from step a); c) A step for distillation fed by at least the carboxylic acid effluent obtained from step a), and producing an aqueous distillate and a carboxylic acid residue; d) A step for drying the carboxylic acid that is fed at least by the carboxylic acid residue obtained from step c) and producing a water effluent and a carboxylic acid product that feeds step a).

公开(公告)号：US20180022682A1

公开(公告)日：2018-01-25

申请号：US15551754

申请日：2016-02-17

Applicant: IFP Energies Nouvelles ,  Compagnie Generale des Etablissements Michelin

Inventor： Romain RICHARD ,  Damien LEINEKUGEL LE COCQ ,  Marc JACQUIN ,  Margarita DORATO ,  Nuno PACHECO ,  Claire RANNOUX

IPC: C07C67/08 ,  C07C67/54

Abstract: The invention relates to a conversion method that is fed with a diol feedstock that comprises at least 90% by weight of diol and a carboxylic acid feedstock that comprises at least 80% by weight of carboxylic acid. The method comprising at least: An esterification step which is fed with at least the diol feedstock and at least the carboxylic acid feedstock, wherein the carboxylic acid/diol molar ratio at the inlet of the esterification step is between 2 and 6, the esterification step comprises at least one reactive distillation column that has a mixed reaction/separation zone located between two separation zones; and A water elimination step that is fed with distillate from the esterification step that comprises water and producing at least one water effluent.

公开(公告)号：US20170267604A1

公开(公告)日：2017-09-21

申请号：US15512183

申请日：2015-09-17

Applicant: IFP Energies Nouvelles ,  Compagnie Generale des Etablissements Michelin ,  Michelin Recherche et Technique S.A.

Inventor： Rejane DASTILLUNG ,  Beatrice FISCHER ,  Marc JACQUIN ,  Raphael HUYGHE

IPC: C07C2/40 ,  F28D15/02 ,  C07C2/86 ,  B01D11/04 ,  B01D3/14

CPC classification number: C07C2/40 ,  B01D3/14 ,  B01D11/04 ,  C07C1/2072 ,  C07C2/867 ,  C07C2521/08 ,  C07C2521/10 ,  F28D15/02 ,  C07C11/167

Abstract: The invention concerns a process for the production of butadiene from an ethanol feed comprising at least 80% by weight of ethanol, comprising a step for conversion of ethanol to acetaldehyde, a step for the extraction of butadiene, a step for scrubbing gaseous by-products with water, a step for eliminating impurities and brown oils, a step for treating effluents, a first butadiene purification step, and a subsequent butadiene purification step, said ethanol feed being supplied to said butadiene extraction step, the arrangement of the steps and recycles allowing the recycles to be maximized and allowing the water and energy consumption to be minimized.

公开(公告)号：US20220325365A1

公开(公告)日：2022-10-13

申请号：US17707030

申请日：2022-03-29

Applicant: IFP Energies nouvelles

Inventor： Sophie COUDERC ,  Marc JACQUIN ,  Caroline AYMARD

IPC: C13B10/14 ,  C12P7/10

Abstract: The present invention relates to a process for treating a lignocellulosic biomass pretreated beforehand (1), said process comprising the extraction of the free sugars from said pretreated biomass using an alcoholic or aqueous-alcoholic extraction solution (2), so as to obtain a liquid phase enriched in free sugars, called liquor (3), and a solid phase depleted in free sugars, called must (4).

公开(公告)号：US20220242840A1

公开(公告)日：2022-08-04

申请号：US17622283

申请日：2020-06-15

Applicant: IFP Energies Nouvelles

Inventor： Marc JACQUIN ,  Damien DELCROIX ,  Kim LARMIER ,  Thierry HUARD

IPC: C07D307/46

Abstract: The invention relates to a process for the production of a mixture of 5-hydroxymethylfurfural and glucose from a feedstock containing fructose in the presence of at least one polar aprotic solvent and of at least one dehydration catalyst, in which process the reaction temperature is less than 90° C.

公开(公告)号：US20200290984A1

公开(公告)日：2020-09-17

申请号：US16651378

申请日：2018-09-25

Applicant: IFP Energies nouvelles

Inventor： Justine DENIS ,  Marc JACQUIN ,  Damien DELCROIX

IPC: C07D307/50 ,  B01J31/02 ,  B01J27/10 ,  B01J31/26

Abstract: The invention relates to a novel process for converting a feedstock comprising at least one sugar into 5-hydroxymethylfurfural, wherein said feedstock is brought into contact with one or more organic dehydration catalysts and one or more chloride sources in the presence of at least one aprotic polar solvent alone or as a mixture, at a temperature of between 30° C. and 200° C., and at a pressure of between 0.1 MPa and 10 MPa.

公开(公告)号：US20190161419A1

公开(公告)日：2019-05-30

申请号：US16302320

申请日：2017-05-09

Applicant: IFP ENERGIES NOUVELLES ,  COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

Inventor： Marc JACQUIN ,  Nuno PACHECO ,  Claire FAUVARQUE-NUYTTEN

IPC: C07C1/213 ,  C07C7/06 ,  C07C67/08

CPC classification number: C07C1/213 ,  C07C7/06 ,  C07C7/11 ,  C07C11/167 ,  C07C67/08 ,  C07C69/16 ,  Y02P20/127

Abstract: The invention pertains to a method for converting butanediol into butadiene that is fed with a butanediol feedstock, where said method comprises at least an esterification step, a pyrolysis step, and a step for separation of the pyrolysis effluent comprising at least one section for cooling said pyrolysis effluent and producing a liquid pyrolysis effluent and a steam pyrolysis effluent and a gas-liquid washing section that is fed at the top with a fraction of the butanediol diester effluent obtained from the esterification step and at the bottom with the steam pyrolysis effluent, where said section produces a butadiene effluent at the top and a washing effluent at the bottom.

公开(公告)号：US20180037519A1

公开(公告)日：2018-02-08

申请号：US15552050

申请日：2016-02-17

Applicant: IFP Energies nouvelles ,  Compagnie Generale des Etablissements Michelin

Inventor： Romain RICHARD ,  Marc JACQUIN ,  Margarita DORATO ,  Nuno PACHECO ,  Claire RANNOUX

IPC: C07C1/213 ,  C07C67/08

CPC classification number: C07C1/213 ,  C07C67/08 ,  Y02P20/127 ,  C07C11/167 ,  C07C69/16

Abstract: A method for producing 1,3-butadiene from a 1,4-butanediol feedstock: One step for esterification of 1,4-butanediol, One step for pyrolysis of 1,4-butanediol diester, producing butadiene.

公开(公告)号：US20250051297A1

公开(公告)日：2025-02-13

申请号：US18723000

申请日：2022-12-06

Applicant: IFP ENERGIES NOUVELLES

Inventor： Marc JACQUIN ,  Maria FERNANDEZ ESPADA PASTOR ,  Kim LARMIER ,  Helene LORCET ,  Thi Bich Ngoc DANG

IPC: C07D307/48 ,  B01D11/04

Abstract: The invention relates to a process for producing an aqueous solution of 5-hydroxymethylfurfural (5-HMF), comprising: a step a) of placing a feedstock comprising 5-HMF and dimethyl sulfoxide (DMSO) in contact with an intermediate aqueous back-extract obtained from step c), to obtain an aqueous mixture, a step b) of liquid-liquid extraction of the aqueous mixture with a stream of extraction solvent, to produce an aqueous raffinate and an intermediate organic extract, a step c) of back-washing of the intermediate organic extract with an aqueous solvent, to produce the intermediate aqueous back-extract and an organic raffinate, a step d) of liquid-liquid back-extraction of the organic raffinate obtained on conclusion of step c) with an aqueous stream, to produce an organic effluent and an aqueous back-extract of 5-HMF.

公开(公告)号：US20210053930A1

公开(公告)日：2021-02-25

申请号：US16961184

申请日：2018-12-21

Applicant: IFP Energies nouvelles

Inventor： Marc JACQUIN ,  Damien DELCROIX

IPC: C07D307/44

Abstract: The invention relates to a process for synthesizing 5-hydroxymethylfurfural from a fructose-containing feedstock in the presence of at least one aprotic polar solvent and at least one dehydration catalyst, in which process the maximum instantaneous fructose concentration 5.0 wt %.