公开(公告)号：US20150376151A1

公开(公告)日：2015-12-31

申请号：US14767184

申请日：2014-02-06

Applicant: IFP Energies nouvelles

Inventor： Vincent COUPARD ,  Thomas PLENNEVAUX

IPC: C07D301/03 ,  C07C1/24

CPC classification number: C07D301/03 ,  C07C1/24 ,  C07D303/04 ,  Y02P20/125

Abstract: Process for dehydrating an ethanol feed to ethylene then oxidating the ethanol to ethylene oxide, comprising vaporizing the feed and a flow of diluting water comprising recycled ethanol to produce a vaporized feed, dehydrating a mixture of vaporized feed and a vaporized flow of diluting water comprising ethanol, separating the dehydration effluent into ethylene and water effluents, purifying at least a portion of the water effluent and separating a flow of treated water and a flow of diluting water comprising ethanol, recycling and vaporizing at least a portion of the separated diluting water by partial or complete vaporization in an exchanger using heat exchange with a quench flow obtained from the oxidation, said quench flow, cooled, then recycled to the oxidation reactor(s), and oxidation of the ethylene in the effluent comprising ethylene into ethylene oxide, this oxidation using a tubular oxidation reactor cooled by vaporization of said quench flow.

Abstract translation: 将乙醇进料脱水至乙烯，然后将乙醇氧化成环氧乙烷的方法，包括使进料蒸发和包含再循环乙醇的稀释水流以产生蒸发的进料，将蒸发的进料和蒸发的包含乙醇的蒸发流的混合物脱水 将脱水流出物分离成乙烯和水流出物，净化至少一部分水流出物并分离处理过的水流和包含乙醇的稀释水流，通过部分回收和蒸发至少一部分分离的稀释水 或者在交换器中完全蒸发，其中使用与氧化反应获得的骤冷流进行热交换，所述骤冷流冷却，然后再循环到氧化反应器中，并将乙烯流出物中的乙烯氧化成环氧乙烷，该氧化 使用通过所述骤冷流的蒸发冷却的管状氧化反应器。

公开(公告)号：US20150368215A1

公开(公告)日：2015-12-24

申请号：US14767311

申请日：2014-02-06

Applicant: IFP ENERGIES NOUVELLES

Inventor： Vincent COUPARD ,  Thomas PLENNEVAUX

IPC: C07D301/03

CPC classification number: C07D301/03 ,  Y02P20/125

Abstract: Dehydrating an ethanol feed to form ethylene then oxidation of the ethanol to ethylene oxide: vaporization of an ethanol feed and at least a portion of a flow of diluting water comprising recycled ethanol so as to produce a vaporized feed, compression in a compressor driven by a condensing turbine driven by the steam generated by an oxidation step, dehydration of a mixture of compressed vaporized feed, separation of effluent obtained from dehydration into ethylene and water, purification of at least a portion of effluent containing water and separation into at least a flow of treated water and a flow of diluting water containing ethanol, recycling the latter upstream of the vaporization, oxidation of ethylene containing in the effluent into ethylene oxide, in at least one tubular oxidation reactor cooled by vaporization of a quench flow, said vaporized quench flow being used to drive a condensing turbine.

Abstract translation: 将乙醇进料脱水以形成乙烯，然后将乙醇氧化成环氧乙烷：蒸发乙醇进料和至少一部分包含再循环乙醇的稀释水流，以产生蒸发的进料，在由 由氧化步骤产生的蒸汽驱动的冷凝涡轮，压缩汽化进料的混合物的脱水，从脱水得到的流出物分离成乙烯和水，净化至少一部分含水的流出物，并分离成至少一个 处理水和含有乙醇的稀释水流，将后者在蒸发中上游再循环，将流出物中含有的乙烯氧化成环氧乙烷，在至少一个通过骤冷流蒸发冷却的管式氧化反应器中，所述汽化骤冷流 用于驱动冷凝涡轮机。

公开(公告)号：US20150353443A1

公开(公告)日：2015-12-10

申请号：US14760827

申请日：2014-01-10

Applicant: IFP ENERGIES NOUVELLES ,  TOTAL RESEARCH & TECHNOLOGY FELUY

Inventor： Vincent COUPARD ,  Thomas PLENNEVAUX ,  Stephanie FLEURIER ,  Walter VERMEIREN ,  Delphine MINOUX ,  Philip DE SMEDT ,  Cindy ADAM ,  Nikolai NESTERENKO

IPC: C07C1/24

CPC classification number: C07C1/24 ,  C07C11/04

Abstract: Process for the production of ethylene from an ethanol feedstock that comprises these stages: a) dehydration to produce at least ethylene and water effluents, b) partial condensation of said ethylene effluent, c) separating phases of said partially condensed ethylene effluent to produce gas and liquid effluents, d) compression of said gas effluent to produce compressed gas effluent, e) washing said compressed gas effluent by contact with the recycled washing water of stage h) to produce washed gas and waste water effluents, f) absorption of said washed gas effluent by contact with at least an absorbent solution to produce purified gas effluent, g) distilling said waste water effluent and, jointly, said water effluent from said dehydration stage to produce at least gas distillate, liquid distillate, purified water effluent, and distillation residue, h) recycling, as washing water, at least a portion of said purified water effluent upstream from the washing stage e).

Abstract translation: 从包括以下阶段的乙醇原料生产乙烯的方法：a）脱水以产生至少乙烯和水流出物，b）所述乙烯流出物的部分缩合，c）分离所述部分冷凝的乙烯流出物的相以产生气体和 液体流出物，d）压缩所述气体流出物以产生压缩气体流出物; e）通过与步骤h）的再循环洗涤水接触来洗涤所述压缩气体流出物，以产生洗涤的气体和废水流出物，f）吸收所述洗涤气体 流出物通过与至少一种吸收剂溶液接触以产生净化的气体流出物，g）将所述废水流出物和所述脱水阶段的所述水流出物共同蒸馏以产生至少气体馏出物，液体馏出物，净化水流出物和蒸馏残余物 ，h）作为洗涤水回收洗涤阶段e）上游的所述净化水流出物的至少一部分。

公开(公告)号：US20150175932A1

公开(公告)日：2015-06-25

申请号：US14570094

申请日：2014-12-15

Applicant: IFP Energies Nouvelles

Inventor： Vincent COUPARD ,  Laurent BOURNAY ,  Eszter TOTH ,  Sylvie MAURY

IPC: C11B1/02

CPC classification number: C11C3/003 ,  B01J8/025 ,  B01J2208/00628 ,  C07C67/08 ,  C11B1/02 ,  C11C3/10

Abstract: The invention relates to a continuous process for pretreatment of an oil feedstock comprising at most 20% by weight of free fatty acids by esterification of free fatty acids in which a vertical liquid/liquid contactor containing an esterification catalyst in solid form is supplied in counter-current by an alcohol feedstock comprising at least 20% by weight of an alcohol and said oil feedstock, with said contactor being operated at a temperature of between 25 and 120° C., with said contactor performing the contact in liquid-liquid counter-current between a heavy phase and a light phase, with said heavy phase being able to be either an oil-rich phase or an alcohol-rich phase.

Abstract translation: 本发明涉及一种用于预处理油原料的连续方法，其包含游离脂肪酸的至多20重量％的游离脂肪酸，其中含有固体形式的酯化催化剂的垂直液/液接触器被提供， 通过包含至少20重量％的醇和所述油原料的醇原料进行电流，所述接触器在25-120℃的温度下操作，所述接触器在液 - 液逆流中进行接触 在重相和轻相之间，所述重相能够是富油相或富含醇的相。