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公开(公告)号：US20150353440A1
公开(公告)日：2015-12-10
申请号：US14655345
申请日：2013-12-24
Applicant: SHELL OIL COMPANY
Inventor： Antonius Gijsbertus Johannes KLOTH , Sivakumar SADASIVAN VIJAYAKUMARI , Jeroen VAN WESTRENEN
IPC: C07C1/20
CPC classification number: C07C1/20 , C07C7/005 , C07C2529/00 , Y02P30/42 , Y02P30/48 , C07C11/04 , C07C11/06
Abstract: The invention relates to process for the preparation of an olefinic product comprising ethylene and/or propylene from an oxygenate, the process comprising the following steps: a) an oxygenate conversion step wherein a gaseous effluent comprising olefins and a water-soluble oxygenate is obtained; b) separation of water from the effluent; c) compression of the effluent; d) acid gas removal from the compressed gaseous effluent obtained in step c), wherein the compressed gaseous effluent is treated with a caustic solution in a caustic tower; and e) separating the olefinic product from the gaseous effluent treated in step d), wherein, in a final stage in the caustic tower, water-depleted compressed gaseous effluent is treated with a water stream that is essentially free of water-soluble oxygenate and a spent water stream comprising caustic and water-soluble oxygenate is obtained, which spent water stream is withdrawn from the process.
Abstract translation: 本发明涉及从含氧化合物制备包含乙烯和/或丙烯的烯烃产物的方法，该方法包括以下步骤：a）含氧化合物转化步骤，其中获得包含烯烃和水溶性含氧化合物的气态流出物; b）将水从流出物中分离出来; c）流出物的压缩; d）从步骤c）中获得的压缩气态流出物中除去酸性气体，其中将压缩的气态流出物用苛性塔中的苛性碱溶液处理; 和e）从在步骤d）中处理的气态流出物中分离烯烃产物，其中在苛性塔中的最后阶段，用基本上不含水溶性含氧化合物的水流处理含水贫化的压缩气体流出物， 得到包含苛性和水溶性含氧化合物的废水流，从该方法中取出废水流。
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公开(公告)号：US20150336857A1
公开(公告)日：2015-11-26
申请号：US14412692
申请日：2013-07-01
Applicant: SHELL OIL COMPANY
Inventor： Leslie Andrew CHEWTER , Ye-Mon CHEN , Timothy Michael NISBET , Sivakumar SADASIVAN VIJAYAKUMARI , Jeroen VAN WESTRENEN
CPC classification number: C07C1/24 , B01J8/02 , B01J8/1845 , B01J2208/00362 , B01J2208/00752 , B01J2208/00902 , C07C1/20 , C07C2529/85 , Y02P30/42 , C07C11/04 , C07C11/06
Abstract: The present invention provides a process for preparing ethylene and/or propylene, wherein an oxygenate feedstock is contacted with a molecular sieve-comprising catalyst at a temperature in the range of from 350 to 500° C. to obtain a reactor effluent comprising ethylene and/or propylene and the oxygenate feedstock is contacted with the catalyst in a riser reactor having a reactor wall defining a flow trajectory towards a downstream outlet for reactor effluent, wherein at least oxygenate feedstock and catalyst are provided at one or more upstream inlets of the riser reactor and wherein a water quench medium is admitted to the riser reactor at one or more of locations along the length of the flow trajectory through a plurality of inlets distributed along the periphery of the reactor wall. The invention further provides a reaction system suitable for preparing ethylene and propylene.
Abstract translation: 本发明提供一种制备乙烯和/或丙烯的方法，其中在350-500℃的温度下，含氧化合物原料与含分子筛的催化剂接触，以获得包含乙烯和/ 或丙烯，并且含氧化合物原料在具有反应器壁的提升管反应器中与催化剂接触，所述反应器壁限定朝向下游出口进行反应器流出物的流动轨迹，其中在提升管反应器的一个或多个上游入口处提供至少含氧化合物原料和催化剂 并且其中水骤冷介质通过沿着反应器壁的周边分布的多个入口沿着流动轨迹的长度的一个或多个位置进入提升管反应器。 本发明还提供了适用于制备乙烯和丙烯的反应体系。
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公开(公告)号：US20150307411A1
公开(公告)日：2015-10-29
申请号：US14368547
申请日：2012-12-21
Inventor： Ye Mon CHEN , Timothy Michael NISBET , Sivakumar SADASIVAN VIJAYAKUMARI , Jeroen WESTRENEN
Abstract: The present invention provides a process for preparing ethylene and/or propylene, comprising the steps of providing an oxygenate feed comprising oxygenate and C4 olefins to a first reaction zone; contacting the oxygenate feed with a first zeolite-comprising catalyst and retrieving from the first reaction zone a first effluent stream comprising at least C2 to C5 olefins; separating the first effluent stream into at least: a first product stream comprising C2 and/or C3 olefins; a second fraction comprising C4 olefins; a third fraction comprising C5 olefins; and recycling at least part of the second fraction to the first reaction zone as part of the oxygenate feed; providing an olefinic feed comprising C5 olefins to a second reaction zone, wherein the olefinic feed comprises at least part of the third fraction; and contacting in the second reaction zone the olefinic feed with a second zeolite-comprising catalyst at a temperature in the range of from 500 to 700° C. and retrieving from the second reaction zone a second effluent stream comprising at least C2 to C3 olefins.
Abstract translation: 本发明提供一种制备乙烯和/或丙烯的方法，包括以下步骤：向第一反应区提供含氧化合物和C 4烯烃的含氧化合物进料; 使含氧化合物进料与第一含沸石催化剂接触并从第一反应区回收包含至少C 2 -C 5烯烃的第一流出物流; 将第一流出物流分离成至少：包含C2和/或C3烯烃的第一产物流; 包含C4烯烃的第二级分; 包含C5烯烃的第三级分; 并且将至少部分第二级分再循环到第一反应区作为含氧化合物进料的一部分; 向第二反应区提供包含C5烯烃的烯烃进料，其中所述烯烃进料包含所述第三馏分的至少一部分; 并且在第二反应区中使烯属进料与第二含沸石催化剂在500-700℃的温度下接触，并从第二反应区回收包含至少C2-C3烯烃的第二流出物流。
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公开(公告)号：US20150114434A1
公开(公告)日：2015-04-30
申请号：US14526569
申请日：2014-10-29
Applicant: SHELL OIL COMPANY
Inventor： Jeroen Gerard MARSMAN , Leslie Andrew CHEWTER , Sivakumar SADASIVAN VIJAYAKUMARI , Jeroen VAN WESTRENEN
IPC: B08B9/093
CPC classification number: B08B9/093 , C07C1/20 , C07C7/20 , Y02P30/42 , Y02P30/48 , C07C11/04 , C07C11/06
Abstract: A process for preventing contaminants from forming in a compressor in a methanol to olefin separation system comprising: compressing an effluent in the compressor, the compressor having an inlet in fluid communication with a suction line, an outlet, and an inner compressor surface; and injecting a contaminant prevention medium into the suction line of the compressor wherein any contaminants are removed from the compressor with the effluent and optionally separated or otherwise removed from the effluent stream in downstream equipment.
Abstract translation: 一种用于防止在甲醇至烯烃分离系统中在压缩机中形成污染物的方法，包括：压缩压缩机中的流出物，所述压缩机具有与吸入管线，出口和内部压缩机表面流体连通的入口; 以及将防止污染的介质注入到所述压缩机的吸入管线中，其中使用流出物从压缩机中除去任何污染物，并且任选地在下游设备中分离或以其它方式从流出物流中除去污染物。
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15.发明申请PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT COMPRISING ETHYLENE AND/OR PROPYLENE 有权制备包含乙烯和/或丙烯的烯烃产品的方法公开(公告)号：US20140187824A1
公开(公告)日：2014-07-03
申请号：US14136047
申请日：2013-12-20
Applicant: Shell Oil Company
Inventor： Sivakumar SADASIVAN VIJAYAKUMARI , Jeroen VAN WESTRENEN
IPC: C07C1/22
CPC classification number: C07C1/22 , C07C1/20 , C07C11/04 , C07C11/06 , C07C29/74 , C07C29/76 , C07C31/04 , C07C2529/40 , C07C2529/70 , C07C2529/83 , C07C2529/84 , C07C2529/85 , Y02P30/42 , C07C11/02
Abstract: An oxygenate to olefins (OTO) process, comprising the steps of: (i) purifying an oxygenate feedstream comprising one or more ionic contaminants by contacting the feedstream with a membrane, resulting in the formation of a retentate and a permeate separated by the membrane, which permeate is a purified oxygenate stream which contains a lower ionic contaminant concentration than the original oxygenate feedstream; (ii) introducing the purified oxygenate stream into an oxygenate to olefins reaction zone; and (iii) contacting the purified oxygenate stream with a molecular sieve catalyst in the oxygenate to olefins reaction zone to form a product stream comprising olefins.
Abstract translation: 一种含氧化合物至烯烃（OTO）方法，包括以下步骤：（i）通过使进料流与膜接触，纯化含有一种或多种离子污染物的含氧物原料流，导致形成由膜分离的渗余物和渗透物， 该渗透物是纯化的含氧化合物流，其含有比原始含氧化合物进料流更低的离子污染物浓度; （ii）将纯化的含氧物流引入含氧化合物至烯烃反应区; 和（iii）将纯化的含氧物流与含氧化合物中的分子筛催化剂接触到烯烃反应区，以形成包含烯烃的产物流。
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Patent Agency Ranking
公开(公告)号：US20130165725A1
公开(公告)日：2013-06-27
申请号：US13727801
申请日：2012-12-27
Applicant: Shell Oil Company
IPC: C07C2/86
CPC classification number: C07C1/20 , C07C2/864 , C07C4/06 , C07C2529/40 , C10G3/42 , C10G2400/30 , C07C11/02 , C07C15/02 , C07C15/08
Abstract: A process for the preparation of an aromatic product comprising xylene, which process comprises the steps of: a) converting an oxygenate feedstock in an oxygenate-to-olefins conversion system, comprising a reaction zone in which an oxygenate feedstock is contacted with an oxygenate conversion catalyst under oxygenate conversion conditions, to obtain a conversion effluent comprising benzene, toluene, xylene and olefins; b) separating at least a portion of the benzene and toluene from the conversion effluent to form an aromatics containing stream; c) separating the olefins from the conversion effluent; d) separating xylene from the conversion effluent to produce a xylene product stream; and e) recycling at least a portion of the aromatics containing stream to step a).
Abstract translation: 一种用于制备包含二甲苯的芳族产物的方法，该方法包括以下步骤：a）将含氧化合物至烯烃转化体系中的含氧化合物原料转化，其包含使含氧化合物原料与含氧化合物转化率接触的反应区 催化剂，以获得包含苯，甲苯，二甲苯和烯烃的转化流出物; b）从转化流出物中分离出至少一部分苯和甲苯以形成含芳烃的流; c）从转化流出物中分离烯烃; d）从转化流出物中分离出二甲苯以产生二甲苯产物流; 和e）将至少一部分含芳烃的流循环至步骤a）。
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公开(公告)号：US20160251277A1
公开(公告)日：2016-09-01
申请号：US15032798
申请日：2014-10-30
Applicant: SHELL OIL COMPANY
Inventor： Richard Addison SANBORN , Ye-Mon CHEN , Sivakumar SADASIVAN VIJAYAKUMARI , Leslie Andrew CHEWTER
IPC: C07C1/20
CPC classification number: C07C1/20 , B01J8/0055 , B01J8/18 , C07C2529/00 , C10G3/49 , C10G75/00 , C10G2300/1088 , Y02P20/52 , Y02P30/42 , C07C11/04 , C07C11/06
Abstract: A process for converting oxygenates to olefins comprising: a) contacting an oxygenate containing stream with a molecular sieve catalyst under oxygenate to olefins conversion conditions in a reactor to form an effluent comprising olefins and entrained solids; b) removing the effluent from the reactor; and c) passing the effluent to a cyclone for separation of the olefins from any entrained solids wherein at least one of the inner surfaces of the cyclone is coated with a protective layer.
Abstract translation: 一种将含氧化合物转化成烯烃的方法，包括：a）在含氧化合物的含氧化合物流与分子筛催化剂在反应器中的烯烃转化条件下接触以形成包含烯烃和夹带固体的流出物; b）从反应器中除去流出物; 和c）将流出物送至旋风分离器，以将烯烃与任何夹带的固体分离，其中旋风分离器的至少一个内表面涂有保护层。
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18.发明申请PROCESS FOR THE PREPARATION OF AN OLEFINIC PRODUCT COMPRISING ETHYLENE AND/OR PROPYLENE 有权制备包含乙烯和/或丙烯的烯烃产品的方法公开(公告)号：US20150353439A1
公开(公告)日：2015-12-10
申请号：US14655343
申请日：2013-12-24
Applicant: SHELL OIL COMPANY
Inventor： Jeroen VAN WESTRENEN , Sivakumar SADASIVAN VIJAYAKUMARI
CPC classification number: C07C1/20 , C07C4/04 , C07C7/005 , C07C2529/00 , C10G9/36 , Y02P30/42 , Y02P30/48 , C07C11/04 , C07C11/06
Abstract: The invention provides a process for the preparation of an olefinic product comprising ethylene and/or propylene comprising: a) steam cracking a paraffinic feedstock to obtain an effluent comprising olefins; b) converting an oxygenate to obtain a gaseous effluent comprising olefins; c) subjecting both effluents to water removal and compression steps, wherein the effluents are combined before the water removal step, between the water removal and the compression steps or after the compression step to obtain a combined gaseous effluent; d) removing acid gas from the combined gaseous effluent obtained in step c), wherein the combined gaseous effluent is treated with a caustic solution in a caustic tower and a non-aqueous liquid stream comprising one or more aromatic C7+ hydrocarbons is added to the caustic solution to control the formation of red oil, to obtain a treated gaseous effluent; and e) separating the olefinic product from the treated gaseous effluent.
Abstract translation: 本发明提供了一种制备包含乙烯和/或丙烯的烯烃产物的方法，包括：a）蒸汽裂解链烷烃原料以获得包含烯烃的流出物; b）转化含氧化合物以获得包含烯烃的气态流出物; c）使两种废水进行除水和压缩步骤，其中在除水步骤之前，在除水和压缩步骤之间或在压缩步骤之后组合废水以获得组合的气态流出物; d）从步骤c）中得到的组合的气态流出物中除去酸性气体，其中将合并的气态流出物用苛性塔中的苛性碱溶液处理，将包含一种或多种芳族C 7 +烃的非水液体流加入到苛性碱 解决方案来控制红油的形成，得到经处理的气态流出物; 和e）从处理的气态流出物中分离出烯属产物。
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公开(公告)号：US20130172652A1
公开(公告)日：2013-07-04
申请号：US13727826
申请日：2012-12-27
Applicant: Shell Oil Company
Inventor： Sivakumar SADASIVAN VIJAYAKUMARI , Jeroen VAN WESTRENEN
IPC: C07C1/22
CPC classification number: C07C1/22 , C07C1/20 , C07C4/06 , C07C2529/40 , C07C2529/70 , Y02P30/42 , C07C11/04
Abstract: A process for the preparation of an olefin product comprising ethylene, which process comprises the steps of: a) converting an oxygenate feedstock in an oxygenate-to-olefins conversion system, comprising a reaction zone in which an oxygenate feedstock is contacted with an oxygenate conversion catalyst under oxygenate conversion conditions, to obtain a conversion effluent comprising ethylene and/or propylene; b) separating at least a portion of the propylene from the conversion effluent to form a propylene stream; c) separating the remainder of the olefins from the conversion effluent; and d) recycling at least a portion of the propylene stream to step a).
Abstract translation: 一种制备包含乙烯的烯烃产物的方法，该方法包括以下步骤：a）将含氧化合物 - 烯烃转化体系中的含氧化合物原料转化，其包含其中含氧化合物原料与含氧化合物转化率接触的反应区 催化剂，以获得包含乙烯和/或丙烯的转化流出物; b）从转化流出物中分离至少一部分丙烯以形成丙烯料流; c）从转化流出物中分离剩余的烯烃; 和d）将至少一部分丙烯流再循环到步骤a）。
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公开(公告)号：US20130165712A1
公开(公告)日：2013-06-27
申请号：US13727790
申请日：2012-12-27
Applicant: Shell Oil Company
Inventor： Sivakumar SADASIVAN VIJAYAKUMARI , Jeroen VAN WESTRENEN
CPC classification number: C07C4/06 , C07C1/20 , C07C1/22 , C07C2529/40 , C07C2529/70 , Y02P20/125 , Y02P30/42 , C07C11/04
Abstract: A process for the preparation of an olefin product comprising ethylene, comprising a) cracking a cracker feedstock to obtain a cracker effluent comprising olefins; b) converting an oxygenate feedstock in an oxygenate-to-olefins conversion system, comprising a reaction zone in which an oxygenate feedstock is contacted a catalyst to obtain a conversion effluent comprising ethylene and/or propylene; c) combining at least part of the cracker effluent and at least part of the conversion effluent to obtain a combined effluent wherein the combined effluent comprises a C4 portion and a C3 portion; d) separating at least a part of the propylene from the combined effluent to form a combined propylene stream; e) separating at least a part of the C4 portion from the combined effluent to form a C4 stream; and f) recycling at least a part of the combined propylene stream as recycled propylene to step b).
Abstract translation: 一种制备包含乙烯的烯烃产物的方法，包括：a）裂解裂化器原料以获得包含烯烃的裂化器流出物; b）转化含氧化合物至烯烃转化体系中的含氧化合物原料，其包含使含氧化合物原料与催化剂接触的反应区，以获得包含乙烯和/或丙烯的转化流出物; c）将至少部分裂化器流出物和至少部分转化流出物混合以获得组合流出物，其中组合流出物包含C4部分和C3部分; d）从合并的流出物中分离出至少一部分丙烯以形成组合的丙烯料流; e）将C4部分的至少一部分与组合的流出物分离以形成C4流; 和f）将至少一部分组合的丙烯料流作为再循环丙烯回收至步骤b）。
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