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公开(公告)号：US20120095275A1
公开(公告)日：2012-04-19
申请号：US12903794
申请日：2010-10-13
CPC分类号： C07C6/04 , C07C2/36 , C07C5/2512 , C07C11/06 , C07C11/08 , C07C2521/08 , C07C2521/10 , C07C2523/30 , C07C2531/14 , C07C2531/24 , Y02P20/52
摘要： A process for producing propylene and 1-butene is disclosed. The process comprises dimerizing ethylene in the presence of a dimerization catalyst to produce a dimerization mixture comprising 1-butene and 2-butenes. The dimerization mixture is distilled to produce a 1-butene stream containing 1-butene and ethylene, a 2-butenes stream, and a heavy stream. The 2-butenes stream is reacted with ethylene in the presence of a metathesis catalyst to produce a metathesis mixture comprising propylene, ethylene, and 2-butenes. Propylene is separated from the metathesis mixture.
摘要翻译： 公开了一种生产丙烯和1-丁烯的方法。 该方法包括在二聚催化剂存在下二聚乙烯以产生包含1-丁烯和2-丁烯的二聚混合物。 将二聚混合物蒸馏以产生含有1-丁烯和乙烯，2-丁烯流和重流的1-丁烯流。 在复分解催化剂存在下，使2-丁烯物流与乙烯反应以产生包含丙烯，乙烯和2-丁烯的复分解混合物。 丙烯与复分解混合物分离。
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公开(公告)号：US20120130139A1
公开(公告)日：2012-05-24
申请号：US12951106
申请日：2010-11-22
IPC分类号： C07C4/04
CPC分类号： C10G9/36 , C10G9/20 , C10G2300/301 , C10G2300/807 , C10G2400/20
摘要： A process for cracking a heavy hydrocarbon feed is disclosed. The heavy hydrocarbon feed is passed to a first zone of a vaporization unit to separate a first vapor stream and a first liquid stream. The first liquid stream is passed to a second zone of the vaporization unit and contacted intimately with a countercurrent steam to produce a second vapor stream and a second liquid stream. The second vapor stream is contacted with a wash liquid in a rectification section to form a rectified stream. The first vapor stream and the rectified stream are cracked in the radiant section of the steam cracker to produce a cracked effluent.
摘要翻译： 公开了一种用于裂解重质烃进料的方法。 将重质烃进料通入蒸发单元的第一区域以分离第一蒸气流和第一液体流。 将第一液体流送至蒸发单元的第二区域，并与逆流蒸汽紧密接触以产生第二蒸气流和第二液体流。 第二蒸气流与整流段中的洗涤液体接触以形成整流流。 第一蒸汽流和精馏流在蒸汽裂解器的辐射段中裂解，产生裂化流出物。
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公开(公告)号：US20130172647A1
公开(公告)日：2013-07-04
申请号：US13774723
申请日：2013-02-22
IPC分类号： C07C6/04
CPC分类号： C07C6/04 , C07C2/36 , C07C5/2512 , C07C11/06 , C07C11/08 , C07C2521/08 , C07C2521/10 , C07C2523/30 , C07C2531/14 , C07C2531/24 , Y02P20/52
摘要： Processes and systems for forming propylene are described herein. The processes generally include reacting a metathesis feed stream including at least 95 wt. % 2-butene with ethylene in the presence of a metathesis catalyst to form a metathesis product stream including propylene, and recovering propylene from the process.
摘要翻译： 本文描述了用于形成丙烯的方法和体系。 该方法通常包括使包含至少95wt。 在复分解催化剂存在下，将乙烯与乙烯进行反应以形成包含丙烯的复分解产物流，并从该方法回收丙烯。
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公开(公告)号：US08273936B2
公开(公告)日：2012-09-25
申请号：US12951106
申请日：2010-11-22
IPC分类号： C10G9/36
CPC分类号： C10G9/36 , C10G9/20 , C10G2300/301 , C10G2300/807 , C10G2400/20
摘要： A process for cracking a heavy hydrocarbon feed is disclosed. The heavy hydrocarbon feed is passed to a first zone of a vaporization unit to separate a first vapor stream and a first liquid stream. The first liquid stream is passed to a second zone of the vaporization unit and contacted intimately with a countercurrent steam to produce a second vapor stream and a second liquid stream. The second vapor stream is contacted with a wash liquid in a rectification section to form a rectified stream. The first vapor stream and the rectified stream are cracked in the radiant section of the steam cracker to produce a cracked effluent.
摘要翻译： 公开了一种用于裂解重质烃进料的方法。 将重质烃进料通入蒸发单元的第一区域以分离第一蒸气流和第一液体流。 将第一液体流送至蒸发单元的第二区域，并与逆流蒸汽紧密接触以产生第二蒸气流和第二液体流。 第二蒸气流与整流段中的洗涤液体接触以形成整流流。 第一蒸汽流和精馏流在蒸汽裂解器的辐射段中裂解，产生裂化流出物。
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公开(公告)号：US07074976B2
公开(公告)日：2006-07-11
申请号：US10643483
申请日：2003-08-19
IPC分类号： C07C6/04
CPC分类号： C07C11/06 , C07C6/04 , C07C2521/10 , C07C2521/12 , C07C2523/30 , C07C2523/42 , C07C2523/44 , C07C2523/46 , C07C2523/755 , C07C2529/06 , C10G2400/20
摘要： A method for making propylene from alpha olefins, internal linear olefins and isoolefins wherein the alpha olefins are subjected to a combination of hydrogenation and double bond isomerization to form additional internal linear olefins, the internal linear olefins are disproportionated with ethylene to form a propylene product, while the isoolefins are subjected to skeletal isomerization to form yet additional internal linear olefins to be converted into yet additional propylene.
摘要翻译： 由α-烯烃，内部线性烯烃和异烯烃制备丙烯的方法，其中α-烯烃经受氢化和双键异构化的组合以形成另外的内部线性烯烃，内部线性烯烃用乙烯歧化以形成丙烯产物， 而异烯烃进行骨架异构化以形成另外的内部直链烯烃，以转化为另外的丙烯。
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公开(公告)号：US09688591B2
公开(公告)日：2017-06-27
申请号：US13738685
申请日：2013-01-10
摘要： Ethylene separation processes are described herein. The ethylene separation processes generally include introducing a feed stream including ethylene and butene into a de-ethenizer; and separating the ethylene from the butene via fractional distillation within the de-ethenizer to form an overhead stream including separated ethylene and a bottoms stream including separated butene, wherein the de-ethenizer operates at a pressure of less than 350 psig.
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公开(公告)号：US20140194664A1
公开(公告)日：2014-07-10
申请号：US13738685
申请日：2013-01-10
摘要： Ethylene separation processes are described herein. The ethylene separation processes generally include introducing a feed stream including ethylene and butene into a de-ethenizer; and separating the ethylene from the butene via fractional distillation within the de-ethenizer to form an overhead stream including separated ethylene and a bottoms stream including separated butene, wherein the de-ethenizer operates at a pressure of less than 350 psig.
摘要翻译： 乙烯分离方法在本文中描述。 乙烯分离方法通常包括将包含乙烯和丁烯的进料流引入去乙烯化器中; 以及在去乙烯化器内通过分馏从乙烯中分离出乙烯以形成包括分离的乙烯和包含分离的丁烯的塔底物流的塔顶物流，其中脱乙烯化器的操作压力小于350psig。
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公开(公告)号：US08395005B2
公开(公告)日：2013-03-12
申请号：US12903794
申请日：2010-10-13
CPC分类号： C07C6/04 , C07C2/36 , C07C5/2512 , C07C11/06 , C07C11/08 , C07C2521/08 , C07C2521/10 , C07C2523/30 , C07C2531/14 , C07C2531/24 , Y02P20/52
摘要： A process for producing propylene and 1-butene is disclosed. The process comprises dimerizing ethylene in the presence of a dimerization catalyst to produce a dimerization mixture comprising 1-butene and 2-butenes. The dimerization mixture is distilled to produce a 1-butene stream containing 1-butene and ethylene, a 2-butenes stream, and a heavy stream. The 2-butenes stream is reacted with ethylene in the presence of a metathesis catalyst to produce a metathesis mixture comprising propylene, ethylene, and 2-butenes. Propylene is separated from the metathesis mixture.
摘要翻译： 公开了一种生产丙烯和1-丁烯的方法。 该方法包括在二聚催化剂存在下二聚乙烯以产生包含1-丁烯和2-丁烯的二聚混合物。 将二聚混合物蒸馏以产生含有1-丁烯和乙烯，2-丁烯流和重流的1-丁烯流。 在复分解催化剂存在下，使2-丁烯物流与乙烯反应以产生包含丙烯，乙烯和2-丁烯的复分解混合物。 丙烯与复分解混合物分离。
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公开(公告)号：US07550638B2
公开(公告)日：2009-06-23
申请号：US11280789
申请日：2005-11-16
CPC分类号： C10G55/04 , C07C11/06 , C07C2521/08 , C07C2521/10 , C07C2523/30 , C07C2531/14 , C07C2531/24 , C10G69/06 , C10G69/12 , C10G2300/1081 , C10G2400/20
摘要： An integrated method that comprises a hydrocarbon thermal cracking operation to form at least one olefin product, coupled with dimerization and metathesis operations, the dimerization operation forming additional feed material for the metathesis operation, and the metathesis operation forming additional amounts of olefin product.
摘要翻译： 一种包括烃热裂解操作以形成至少一种烯烃产物，与二聚化和复分解操作相结合的二元化操作的组合方法，其形成用于复分解操作的附加进料，以及形成额外量的烯烃产物的复分解操作。
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公开(公告)号：US06872862B2
公开(公告)日：2005-03-29
申请号：US10606026
申请日：2003-06-25
CPC分类号： C07C5/2568 , C07C6/04 , C07C11/06
摘要： A method for making propylene from alpha olefins, internal linear olefins and isoolefins wherein the alpha olefins are subjected to a combination of hydrogenation and double bond isomerization to form additional internal linear olefins, the internal linear olefins are separated from the isoolefins and disproportionated with ethylene to form a propylene product, while the thus separated isoolefins are subjected to skeletal isomerization to form yet additional internal linear olefins to be converted into yet additional propylene product.
摘要翻译： 由α-烯烃，内部线性烯烃和异烯烃制备丙烯的方法，其中α-烯烃经受氢化和双键异构化的组合以形成另外的内部线性烯烃，内部线性烯烃与异烯烃分离并用乙烯歧化 形成丙烯产物，同时将如此分离的异烯烃进行骨架异构化以形成另外的内部直链烯烃，以转化为另外的丙烯产物。
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