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公开(公告)号：US10654763B2
公开(公告)日：2020-05-19
申请号：US16314194
申请日：2017-06-26
摘要： The invention relates to a process for producing butadiene from an ethanol feedstock comprising a step of converting ethanol into butadiene, a step of separating the reactants into a hydrated butadiene effluent, an impurities effluent and an ethanol-butadiene effluent, a separation step that separates the ethanol-butadiene effluent into a butadiene distillate and a contaminated reactants effluent, a step of purifying the butadiene by extractive distillation and an effluent treatment step.
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公开(公告)号：US10647624B2
公开(公告)日：2020-05-12
申请号：US16063595
申请日：2016-12-13
IPC分类号： C07C1/207 , C07C67/08 , C07C51/46 , C07C1/213 , C07C51/09 , C07C51/44 , C07C11/167 , C07C69/16
摘要： 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).
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公开(公告)号：US09950969B2
公开(公告)日：2018-04-24
申请号：US15512183
申请日：2015-09-17
申请人： IFP Energies Nouvelles , Compagnie Generale des Etablissements Michelin , Michelin Recherche et Technique S.A.
CPC分类号： C07C2/40 , B01D3/14 , B01D11/04 , C07C1/2072 , C07C2/867 , C07C2521/08 , C07C2521/10 , F28D15/02 , C07C11/167
摘要： 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.
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公开(公告)号：US10358396B2
公开(公告)日：2019-07-23
申请号：US15511924
申请日：2015-09-17
申请人： IFP Energies nouvelles , Compagnie Generale des Etablissements Michelin , MICHELIN RECHERCHE ET TECHNIQUE S.A.
摘要： A process for the production of butadiene from an ethanol feed having at least 80% by weight of ethanol, A) converting ethanol into acetaldehyde B) converting an ethanol/acetaldehyde mixture into butadiene, C1) hydrogen treatment, D1) butadiene extraction, a first butadiene purification D2), a subsequent butadiene purification D3), an effluent treatment E1), E2) eliminating impurities and brown oils and F) scrubbing with water.
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5.发明申请PROCESS FOR HYDROCONVERTING OIL FEEDS IN FIXED BEDS FOR THE PRODUCTION OF LOW SULPHUR FUELS 有权固定床上用于生产低硫燃料的油料进料的方法公开(公告)号：US20140332444A1
公开(公告)日：2014-11-13
申请号：US14363396
申请日：2012-11-08
IPC分类号： C10G55/04
CPC分类号： C10G65/12 , C10G65/04 , C10G2300/1011 , C10L1/08 , Y02P30/20
摘要： A process for the conversion of oil feeds for the production of low sulphur fuels comprises the following steps in succession: a step for fixed bed hydrodemetallization of the feed using an upstream system of fixed bed swing reactors; a step for fixed bed hydrocracking of the hydrodemetallized effluent in the presence of a hydrocracking catalyst; a step for separation in order to obtain a heavy fraction; a step for hydrodesulphurization of the heavy fraction in which hydrogen is reinjected.
摘要翻译： 用于转化用于生产低硫燃料的油料进料的方法包括以下步骤：使用固定床摆动反应器的上游系统进料的固定床加氢脱金属步骤; 在加氢裂化催化剂存在下固化床加氢裂化加氢脱金属流出物的步骤; 为了获得重馏分的分离步骤; 氢再氢化的重质馏分的加氢脱硫步骤。
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公开(公告)号：US11141677B2
公开(公告)日：2021-10-12
申请号：US16971498
申请日：2019-01-25
摘要： Liquid-liquid extraction and distillation of a liquid feedstock of at least ethanol, water, acetaldehyde and at least one hydrocarbon-based impurity with a boiling point of between 20° C. and 100° C. at atmospheric pressure, or which generates, with at least one of the compounds of the liquid feedstock and/or with the organic extraction solvent and/or with the aqueous back-washing solvent, an azeotrope and a partition coefficient of between 0.1 and 5 at any point in a back-washing (BW) column of the extraction section, by (a) a liquid-liquid extraction step a washing (W) column, a back-washing (BW) column and at least one injection (F2) of a cut withdrawn in step b), located in the top half of the back-washing column, (b) distillation of an aldehyde and ethanol separation producing at least one aldehyde-rich effluent, one ethanol-rich effluent and one water-rich effluent.
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公开(公告)号：US10766846B2
公开(公告)日：2020-09-08
申请号：US16341500
申请日：2017-10-12
摘要： The invention relates to a method for producing butadiene that is fed with a butanediol feedstock, with said method comprising at least: a) An esterification step comprising: A reaction section; A separation section producing a butanediol diester effluent, a water effluent, and a carboxylic acid effluent; b) An esterification pyrolysis step; c) A separation step comprising at least: A cooling section producing a liquid pyrolysis effluent and a vapor pyrolysis effluent; A gas-liquid washing section that is fed at the top with a fraction of the carboxylic acid effluent that is obtained from the separation section of step a) and at the bottom with said vapor pyrolysis effluent and producing at the top a butadiene effluent and at the bottom a washing effluent; in which a carboxylic-acid-rich stream comprising at least a portion of the liquid pyrolysis effluent is recycled to step a); d) A separation step.
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公开(公告)号：US11731918B2
公开(公告)日：2023-08-22
申请号：US17415811
申请日：2019-12-13
IPC分类号： C07C1/207 , B01J8/04 , B01J19/24 , B01J19/14 , B01J21/08 , B01J23/20 , B01J23/72 , B01J38/04 , C07C45/00
CPC分类号： C07C1/2072 , B01J8/04 , B01J19/14 , B01J19/2445 , B01J21/08 , B01J23/20 , B01J23/72 , B01J38/04 , C07C45/002 , B01J2219/00164 , C07C2521/08 , C07C2523/72
摘要： The present invention relates to a process for producing butadiene from ethanol, in two reaction steps, comprising a step a) of converting ethanol into acetaldehyde and a step b) of conversion into butadiene, said step b) simultaneously implementing a reaction step and a regeneration step in (n+n/2) fixed-bed reactors, n being equal to 4 or a multiple thereof, comprising a catalyst, said regeneration step comprising four successive regeneration phases, said step b) also implementing three regeneration loops.
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9.发明授权公开(公告)号：US09896630B2
公开(公告)日：2018-02-20
申请号：US14363396
申请日：2012-11-08
CPC分类号： C10G65/12 , C10G65/04 , C10G2300/1011 , C10L1/08 , Y02P30/20
摘要： A process for the conversion of oil feeds for the production of low sulphur fuels by fixed bed hydrodemetallization of the feed using an upstream system of fixed bed swing reactors; fixed bed hydrocracking of the hydrodemetallized effluent in the presence of a hydrocracking catalyst; separation in order to obtain a heavy fraction; hydrodesulphurization of the heavy fraction in which hydrogen is reinjected.
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公开(公告)号：US09776933B2
公开(公告)日：2017-10-03
申请号：US15039881
申请日：2014-11-28
申请人： IFP Energies nouvelles , Compagnie Generale des Etablissements Michelin , Michelin Recherche et Technique S.A.
CPC分类号： C07C1/20 , C07C1/207 , C07C29/04 , C07C2521/06 , C07C2521/08 , C07C2521/10 , C07C2523/20 , C07C2523/26 , Y02P20/582 , Y02P30/42 , C07C31/08 , C07C11/167
摘要： Production of 1,3-butadiene ethanol, that is more than 50% of the total weight of feedstock: A) conversion of feedstock and of ethanol effluent from separation B to a conversion effluent being a majority of 1,3-butadiene, water and ethylene, and to a hydrogen effluent, operating at a pressure between 0.1 and 1.0 MPa, a temperature between 300 and 500° C. in the presence of at least one catalyst; B) separation of conversion effluent originating from A and hydration effluent from C to an ethanol effluent, a butadiene effluent, a water effluent and an ethylene effluent; C) hydration of ethylene fed by ethylene effluent and/or water effluent both from separation B, to produce an ethanol hydration effluent then being recycled to separation B.
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