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1.发明申请公开(公告)号：US20160376206A1
公开(公告)日：2016-12-29
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.
摘要翻译： 本发明涉及从富含乙醇的原料生产1,3-丁二烯的方法，即其中乙醇占所述原料总重量的50％以上，至少包括：A）至少转化的步骤 所述乙醇富集的原料和由分离步骤B产生的乙醇流出物转化为主要包含1,3-丁二烯，水和乙烯的转化流出物，并在温度为0.1至1.0MPa的压力下操作的氢气流出物 在至少一种催化剂存在下，在300℃至500℃之间; B）至少将从A产生的所述转化流出物和由C产生的水合流出物分离成至少乙醇流出物，丁二烯流出物，水流出物和乙烯流出物的步骤; C）至少由所述乙烯流出物和/或所述水流出物供应的乙烯水合步骤，其由分离步骤B产生，以产生包含乙醇的水合流出物，然后将所述水合流出物再循环至分离步骤B.
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公开(公告)号：US20170267604A1
公开(公告)日：2017-09-21
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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3.发明申请公开(公告)号：US20170291859A1
公开(公告)日：2017-10-12
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.
CPC分类号： C07C1/2076 , C07C1/20 , C07C7/005 , C07C7/11 , C07C45/002 , C07C2523/20 , C07C11/167 , C07C47/06
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 at least one step A) for the conversion of ethanol into acetaldehyde A), a step B) for converting an ethanol/acetaldehyde mixture into butadiene, a step C1) for hydrogen treatment, a step D1) for butadiene extraction, a first butadiene purification step D2), a subsequent butadiene purification step D3), an effluent treatment step E1), a step E2) for eliminating impurities and brown oils and a step F) for scrubbing with water.
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公开(公告)号：US20190169095A1
公开(公告)日：2019-06-06
申请号：US16314004
申请日：2017-06-26
IPC分类号： C07C11/167 , C07C1/24 , C07C7/08 , C07C7/11 , C07C7/00
摘要： The invention relates to a process for producing butadiene from an ethanol feedstock, comprising a step of converting the ethanol into butadiene, a distillation step, a step of washing with water, a butadiene purification step comprising at least one section for separating the 1-butene by extractive distillation and a final distillation section fed with the topped butadiene distillate, separating at the top a purified butadiene effluent and at the bottom a butene residue, and an effluent treatment step.
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公开(公告)号：US20230373892A1
公开(公告)日：2023-11-23
申请号：US18028280
申请日：2021-09-13
CPC分类号： C07C45/002 , C07C1/2076 , C07C7/005
摘要： The invention relates to a process for the dehydrogenation of a feedstock comprising ethanol, using at least one multitubular reactor advantageously comprising a plurality of tubes comprising at least one dehydrogenation catalyst, and a calender, said feedstock being introduced into the tubes in gas form, at an inlet temperature of greater than or equal to 240° C., a pressure between 0.1 and 1.0 MPa, and a WWH between 2 and 15 h−1, wherein a heat-transfer fluid circulates in said calender at a flow rate such that the weight ratio of said heat-transfer fluid relative to said feedstock is greater than or equal to 1.0, and such that said heat-transfer fluid is introduced into said calender in gas form at an inlet temperature of greater than or equal to 260° C. and at an inlet pressure of greater than or equal to 0.10 MPa, and less than or equal to 1.10 MPa, and leaves the calender at least partly in liquid form.
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公开(公告)号：US20220055969A1
公开(公告)日：2022-02-24
申请号：US17415806
申请日：2019-12-13
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 2 or a multiple thereof, comprising a catalyst, said regeneration step comprising four successive regeneration phases, said step b) also implementing a regeneration loop for the inert gas and at least one regeneration loop for the gas streams comprising oxygen.
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7.发明申请公开(公告)号：US20210230087A1
公开(公告)日：2021-07-29
申请号：US15734020
申请日：2019-05-21
IPC分类号： C07C29/84
摘要： The invention relates to a process for treating an hydroalcoholic feedstock comprising ethanol and butanol in order to produce an ethanol-rich effluent, a water-rich effluent and a butanol-rich effluent, comprising a) a water-ethanol separation step comprising a distillation column fed with said hydroalcoholic feedstock and comprising at least 14 theoretical plates, a molar reflux ratio of less than or equal to 1.2, a side withdrawal in the butanol accumulation zone and two injections of recycled streams resulting from steps b) and c); b) a demixing step comprising a section for mixing the stream withdrawn in step a) and the fraction withdrawn in step c), and a decanting section, the heavy phase being recycled to the distillation column of step a); c) a butanol separation step comprising a distillation column fed with the light phase resulting from step b), comprising a side withdrawal of a water/butanol/ethanol fraction recycled to the mixing section of step b) and producing a butanol-rich effluent and an ethanol-water distillate which is recycled to the distillation column of step a). This process appears to be particularly advantageous for the treatment of the hydroalcoholic effluent from the Lebedev process.
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公开(公告)号：US20180370869A1
公开(公告)日：2018-12-27
申请号：US16063595
申请日：2016-12-13
IPC分类号： C07C1/207 , C07C11/167 , C07C67/08
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：US20190300470A1
公开(公告)日：2019-10-03
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：US20190202756A1
公开(公告)日：2019-07-04
申请号：US16314194
申请日：2017-06-26
CPC分类号： C07C1/20 , C07C7/04 , C07C7/08 , C07C11/167
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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