PROCESS FOR THE HYDROCRACKING OF HYDROCARBON FEEDSTOCKS

    公开(公告)号:US20190330546A1

    公开(公告)日:2019-10-31

    申请号:US16396915

    申请日:2019-04-29

    IPC分类号: C10G69/02

    摘要: A hydrocracking process: A. hydrotreating HDT the feedstocks, B. gas/liquid separation of effluent from A with a separation device having a chamber compartmentalized into an upstream degassing compartment and a downstream stripping compartment, the passage of the degassed liquid from the degassing compartment to the stripping compartment being provided by an opening made in the internal wall and/or by overflowing above the said internal wall separating the said compartments, C. hydrodesulfurization of gaseous effluent obtained in B and of an external feedstock, D. a first hydrocracking of liquid effluent resulting from B, E. gas/liquid separation of liquid effluent from D and of the liquid effluent from C, F. a fractionation of liquid effluent from E, G. a second hydrocracking of unconverted liquid fraction from F.

    PROCESS INTEGRATING TWO-STAGE HYDROCRACKING AND A HYDROTREATMENT PROCESS

    公开(公告)号:US20180362864A1

    公开(公告)日:2018-12-20

    申请号:US16006300

    申请日:2018-06-12

    IPC分类号: C10G67/02

    摘要: A process for hydrocracking hydrocarbon-containing VD feedstocks allowing the improved production of middle distillates: a) hydrocracking of feedstocks in hydrogen and at least one hydrocracking catalyst, b) gas/liquid separation of effluent originating from a) producing a liquid effluent and a gaseous effluent with hydrogen, c) comprising the gaseous effluent before recycling into hydrocracking a), d) fractionation of liquid effluent into at least one effluent of converted hydrocarbon-containing products having boiling points less than 340° C. and an unconverted liquid fraction having a boiling point greater than 340° C., e) hydrocracking unconverted liquid fraction from d), in hydrogen and a hydrocracking catalyst, f) hydrotreating effluent from e) in a mixture with a hydrocarbon-containing gas-oil liquid feedstock having at least 95% by weight of compounds boiling at a boiling point between 150 and 400° C., hydrotreating f) operating in hydrogen and with at least one hydrotreating catalyst.

    PROCESS FOR DEHYDRATION OF ETHANOL TO ETHYLENE AT LOW ENERGY CONSUMPTION
    6.
    发明申请
    PROCESS FOR DEHYDRATION OF ETHANOL TO ETHYLENE AT LOW ENERGY CONSUMPTION 有权
    乙醛在低能耗下脱乙苯的方法

    公开(公告)号:US20150299068A1

    公开(公告)日:2015-10-22

    申请号:US14646877

    申请日:2013-11-18

    IPC分类号: C07C1/24 C07C41/09

    摘要: A process for dehydration of an ethanol feedstock to ethylene by: a) preheating ethanol feedstock by heat exchange with effluent from e), b) pretreating the ethanol feedstock to produce pretreated ethanol feedstock, c) vaporizing a vaporization feedstock containing pretreated ethanol feedstock and at least a portion of the flow of treated water recycled in an exchanger to produce a vaporized feedstock, d) compressing said vaporized feedstock to produce a compressed feedstock, e) dehydrating said compressed feedstock in at least one adiabatic reactor, f) separating the effluent from the last adiabatic reactor of e) into an effluent containing ethylene and an effluent containing water, g) purifying at least a portion of the effluent containing water from 0 and separating at least one flow of treated water and at least one flow of unconverted ethanol, h) recycling at least a portion of the flow of treated water from g) upstream of c).

    摘要翻译: 乙醇原料通过以下方法脱乙醇的方法:a)通过与来自e)的流出物热交换来预热乙醇原料,b)预处理乙醇原料以产生经预处理的乙醇原料,c)蒸发含有经预处理的乙醇原料的蒸发原料, 在交换器中再循环的经处理水的至少一部分流动以产生蒸发的原料,d)压缩所述蒸发的原料以产生压缩原料,e)使至少一个绝热反应器中的所述压缩原料脱水,f)将流出物从 将e)的最后绝热反应器装入含有乙烯和含水的流出物的流出物中,g)将至少一部分含有水的流出物从0中纯化并分离至少一个处理水流和至少一个未转化的乙醇流, h)从c)上游再循环处理水流的至少一部分。

    TWO-STEP HYDROCRACKING METHOD USING A PARTITIONED DISTILLATION COLUMN

    公开(公告)号:US20210261872A1

    公开(公告)日:2021-08-26

    申请号:US17260853

    申请日:2019-07-04

    IPC分类号: C10G65/12 B01D3/14

    摘要: A two-step hydrocracking process with a distillation step wherein a dividing wall distillation column is used, the dividing wall dividing the lower part of the column into two compartments, located in the section of the column located under the supply of said column with the unconverted effluent resulting from the first hydrocracking step. The distillation column is fed on either side of the vertical dividing wall with the liquid hydrocarbon effluent from the first hydrocracking step and with the liquid hydrocarbon effluent from the second hydrocracking step, allowing the concentration of the HPNAs contained in the effluent from the second hydrocracking step in a specific compartment of the column delimited by the dividing wall and avoiding the dilution of said HPNAs by the unconverted effluent from the first hydrocracking step. The present invention allows purging of purer HPNAs.

    THERMALLY INTEGRATED PROCESS FOR THE PRODUCTION OF ETHYLENE OXIDE FROM A FLOW OF ETHANOL
    8.
    发明申请
    THERMALLY INTEGRATED PROCESS FOR THE PRODUCTION OF ETHYLENE OXIDE FROM A FLOW OF ETHANOL 有权
    用于从乙醇流中生产乙烯氧化物的热集成方法

    公开(公告)号:US20150376151A1

    公开(公告)日:2015-12-31

    申请号:US14767184

    申请日:2014-02-06

    IPC分类号: C07D301/03 C07C1/24

    摘要: 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.

    摘要翻译: 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。

    THERMO-MECHANICALLY INTEGRATED PROCESS FOR THE PRODUCTION OF ETHYLENE OXIDE FROM A FLOW OF ETHANOL
    9.
    发明申请
    THERMO-MECHANICALLY INTEGRATED PROCESS FOR THE PRODUCTION OF ETHYLENE OXIDE FROM A FLOW OF ETHANOL 有权
    用于从乙醇流中生产乙烯氧化物的机械 - 机械一体化方法

    公开(公告)号:US20150368215A1

    公开(公告)日:2015-12-24

    申请号:US14767311

    申请日:2014-02-06

    IPC分类号: C07D301/03

    CPC分类号: C07D301/03 Y02P20/125

    摘要: 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.

    摘要翻译: 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。

    PROCESS FOR PURIFICATION OF CO2 IN AN ETHYLENE STREAM OBTAINED FROM THE DEHYDRATION OF ETHANOL
    10.
    发明申请
    PROCESS FOR PURIFICATION OF CO2 IN AN ETHYLENE STREAM OBTAINED FROM THE DEHYDRATION OF ETHANOL 有权
    从乙醇脱氢获得的乙烯流中的二氧化碳的净化过程

    公开(公告)号:US20150353443A1

    公开(公告)日:2015-12-10

    申请号:US14760827

    申请日:2014-01-10

    IPC分类号: C07C1/24

    CPC分类号: C07C1/24 C07C11/04

    摘要: 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).

    摘要翻译: 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。