公开(公告)号：US20140187833A1

公开(公告)日：2014-07-03

申请号：US14135952

申请日：2013-12-20

Applicant: Shell Oil Company

Inventor： Leslie Andrew CHEWTER ,  Sivakumar SADASIVAN VIJAYAKUMARI ,  Jeroen VAN WESTRENEN

IPC: C07C7/13 ,  C07C4/04

CPC classification number: C07C1/20 ,  C10G9/36 ,  C10G29/205 ,  C10G29/22 ,  C10G57/005 ,  C10G2300/1088 ,  C10G2400/20 ,  C10G2400/22 ,  Y02P20/125 ,  Y02P30/42 ,  Y02P30/464 ,  C07C11/04 ,  C07C11/06

Abstract: The invention provides a process for preparing olefins, comprising: (a) reacting an oxygenate and/or olefinic feed in a first reactor in the presence of a molecular sieve catalyst to form a first effluent comprising olefins; (b) fractionating at least part of the first effluent into an olefinic product fraction comprising ethylene and propylene and an olefinic product fraction comprising olefins containing 4 or more carbon atoms; (c) subjecting a paraffin-containing hydrocarbon feedstock in a second reactor to a steam cracking process to form a second effluent comprising olefins including butadiene; (d) fractionating the second effluent into an olefinic product fraction comprising ethylene and/or propylene and an olefinic product fraction comprising mono-olefins containing 4 or more carbon atoms; and (e) recycling the olefinic product fraction comprising at least part of the ethylene and/or propylene as obtained in step (d) to the reactor in step (a).

Abstract translation: 本发明提供一种制备烯烃的方法，包括：（a）在分子筛催化剂存在下使第一反应器中的含氧化合物和/或烯烃进料反应以形成包含烯烃的第一流出物; （b）将至少部分第一流出物分馏成包含乙烯和丙烯的烯烃产物馏分和含有含有4个或更多个碳原子的烯烃的烯烃产物馏分; （c）使第二反应器中的含链烷烃的原料进行蒸汽裂解处理以形成包含丁二烯的烯烃的第二流出物; （d）将第二流出物分馏成包含乙烯和/或丙烯的烯烃产物馏分和包含含有4个或更多个碳原子的单烯烃的烯烃产物馏分; 和（e）将步骤（d）中获得的至少部分乙烯和/或丙烯的烯烃产物馏分再循环到步骤（a）中的反应器中。

公开(公告)号：US20130165718A1

公开(公告)日：2013-06-27

申请号：US13727843

申请日：2012-12-27

Applicant: SHELL OIL COMPANY

Inventor： Frederik Hendrik VAN DER STEEN ,  Jeroen VAN WESTRENEN

IPC: C07C1/22

CPC classification number: C07C1/22 ,  C07C1/20 ,  C07C2/06 ,  C07C5/2518 ,  C07C2529/40 ,  Y02P30/42 ,  C07C11/02

Abstract: A process for the preparation of an olefin product, 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 ethylene from the conversion effluent to form an ethylene stream; c) feeding the ethylene stream to an oligomerization step to produce higher molecular weight olefins; d) recycling at least a portion of the olefins as a recycle higher molecular weight olefins stream to step a).

Abstract translation: 一种制备烯烃产物的方法，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催化剂接触的反应区， 含氧化合物转化条件，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乙烯以形成乙烯流; c）将乙烯流进料到低聚步骤以产生较高分子量的烯烃; d）将至少一部分烯烃作为再循环较高分子量的烯烃流循环至步骤a）。

公开(公告)号：US20130137913A1

公开(公告)日：2013-05-30

申请号：US13687556

申请日：2012-11-28

Applicant: SHELL OIL COMPANY

Inventor： Leslie Andrew CHEWTER ,  Marianne Hendrina Francisca KOX ,  Jeroen VAN WESTRENEN ,  Ferry WINTER

IPC: B01J29/90 ,  C07C4/06 ,  C07C1/20

CPC classification number: B01J29/90 ,  B01J21/16 ,  B01J29/40 ,  B01J29/7042 ,  B01J29/7046 ,  B01J29/83 ,  B01J29/85 ,  B01J35/023 ,  B01J37/0009 ,  B01J37/0036 ,  B01J38/02 ,  B01J38/12 ,  B01J38/60 ,  B01J2229/37 ,  B01J2229/42 ,  C07C1/20 ,  C07C2/864 ,  C07C2/865 ,  C07C4/06 ,  C07C2529/40 ,  C07C2529/70 ,  C07C2529/80 ,  Y02P20/584 ,  Y02P30/42 ,  C07C11/02

Abstract: The present invention relates to a process for the rejuvenation of a spent molecular sieve, comprising at least the steps of: (a) treating the spent molecular sieve catalyst with an aqueous solution comprising at least one acid to provide a rejuvenated molecular sieve catalyst and a spent aqueous solution; (b) removing spent aqueous solution from the rejuvenated molecular sieve catalyst to provide the rejuvenated molecular sieve catalyst.

Abstract translation: 本发明涉及一种用于再分散废分子筛的方法，该方法至少包括以下步骤：（a）用包含至少一种酸的水溶液处理废分子筛催化剂以提供复原的分子筛催化剂和 废水溶液; （b）从复原的分子筛催化剂中除去废水溶液以提供复原的分子筛催化剂。

公开(公告)号：US20130096352A1

公开(公告)日：2013-04-18

申请号：US13653149

申请日：2012-10-16

Applicant: SHELL OIL COMPANY

Inventor： Leslie Andrew CHEWTER ,  Hervé HENRY ,  Pieter OLDENHOVE ,  Rajaram RAMESH ,  Jeroen VAN WESTRENEN

IPC: C07C29/132

CPC classification number: C07C29/132 ,  C07C1/20 ,  C07C2521/12 ,  C07C2523/42 ,  Y02P30/42 ,  C07C31/04 ,  C07C9/12

Abstract: The invention relates to a process for converting an alkyl tert-alkyl ether into an alkanol and an iso-alkane wherein the alkyl tert-alkyl ether is contacted with a hydrocracking catalyst in the presence of hydrogen under hydrocracking process conditions.

Abstract translation: 本发明涉及一种将烷基叔烷基醚转化为链烷醇和异烷烃的方法，其中烷基叔烷基醚在加氢裂化工艺条件下在氢气存在下与加氢裂化催化剂接触。

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

IPC: C07C1/20 ,  C07C4/04

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。

公开(公告)号：US20140187805A1

公开(公告)日：2014-07-03

申请号：US14136189

申请日：2013-12-20

Applicant: Shell Oil Company

Inventor： Jeroen VAN WESTRENEN

IPC: C07C7/10 ,  C07D301/03

CPC classification number: C07C7/10 ,  C07C1/20 ,  C07C7/08 ,  C07C11/04 ,  C07C11/06 ,  C07D301/03 ,  Y02P30/42

Abstract: The present invention relates to a process for removing dimethylether from an olefin stream comprising dimethylether, comprising: (a) providing to an oxygenate recovery zone the olefin stream comprising dimethylether and a methanol-comprising solvent, treating the olefin stream comprising dimethylether with the methanol comprising solvent, and retrieving at least a dimethylether-depleted, methanol-comprising olefin stream; and (b) providing to the oxygenate recovery zone a non-aqueous C2 to C4 alcohol solvent and treating the dimethylether-depleted, methanol-comprising olefin stream with the non-aqueous C2 to C4 alcohol solvent, and retrieving from the oxygenate recovery zone at least an olefinic product that is depleted in dimethylether and methanol and a spent solvent comprising at least one C2 to C4 alcohol and methanol.

Abstract translation: 本发明涉及从包含二甲醚的烯烃流中除去二甲醚的方法，包括：（a）向含氧物回收区提供包含二甲醚和含甲醇溶剂的烯烃流，用包含二甲醚的甲醇处理包含 溶剂，并回收至少二甲醚耗尽的含甲醇的烯烃流; 和（b）向含氧物回收区提供非水性C2至C4醇溶剂，并用非水性C2至C4醇溶剂处理二甲醚耗尽的含甲醇的烯烃流，并从含氧化合物回收区 至少一种贫二甲醚和甲醇的烯烃产物和包含至少一种C 2至C 4醇和甲醇的废溶剂。

公开(公告)号：US20140187804A1

公开(公告)日：2014-07-03

申请号：US14136150

申请日：2013-12-20

Applicant: Shell Oil Company

Inventor： Jeroen VAN WESTRENEN

IPC: C07C7/10 ,  C07D301/03

CPC classification number: C07C7/10 ,  C07C1/20 ,  C07C7/08 ,  C07D301/03 ,  C07C11/06

Abstract: The present invention relates to a process for removing oxygenate from an olefin stream comprising oxygenate, comprising providing to an oxygenate recovery zone the olefin stream comprising oxygenate and a solvent comprising propanol, treating the olefin stream comprising oxygenate with the solvent, and retrieving from the oxygenate recovery zone at least one oxygenate-depleted olefinic product stream comprising olefin and a spent solvent comprising at least part of the oxygenate.

Abstract translation: 本发明涉及从包含含氧化合物的烯烃流中除去含氧化合物的方法，其包括向含氧物回收区提供包含含氧化合物和包含丙醇的溶剂的烯烃流，用溶剂处理包含含氧化合物的烯烃流，以及从含氧化合物中回收 至少一种含氧化合物贫化的烯烃产物流包含烯烃和包含至少部分含氧化合物的废溶剂。

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）。

公开(公告)号：US20130172644A1

公开(公告)日：2013-07-04

申请号：US13727869

申请日：2012-12-27

Applicant: SHELL OIL COMPANY

Inventor： Leslie Andrew CHEWTER ,  Rajaram RAMESH ,  Jeroen VAN WESTRENEN

IPC: C07C1/22

CPC classification number: C07C1/22 ,  C07C1/20 ,  C07C7/08 ,  C07C41/06 ,  C07C41/42 ,  C07C2529/40 ,  C07C2529/70 ,  Y02P30/42 ,  C07C11/02 ,  C07C43/046 ,  C07C11/08

Abstract: The invention relates to a process for preparing lower olefins from an oxygenate, the process comprising: subjecting C4 hydrocarbons obtained in an oxygenate-to-olefins conversion step to extractive distillation to an etherification step to convert isobutene into an alkyl tertiary butyl ether to obtain an isobutene-depleted C4 hydrocarbon stream and alkyl tertiary-butyl ether;subjecting the isobutene-depleted C4 hydrocarbon stream to extractive distillation to obtain a stream enriched in unsaturated C4 hydrocarbons and a stream enriched in saturated C4 hydrocarbons; and recycling at least part of the stream enriched in unsaturated C4 hydrocarbons and/or at least part of the alkyl tertiary-butyl ether to the oxygenate-to-olefins conversion step.

Abstract translation: 本发明涉及一种从含氧化合物制备低级烯烃的方法，该方法包括：将在含氧化合物 - 烯烃转化步骤中获得的C4烃进行萃取蒸馏至醚化步骤，将异丁烯转化为烷基叔丁基醚，得到 异丁烯耗尽的C4烃流和烷基叔丁基醚; 使异丁烯贫化的C4烃流进行萃取蒸馏以获得富含不饱和C4烃的流和富含饱和C 4烃的流; 以及将富含不饱和C4烃和/或至少部分烷基叔丁基醚的至少一部分物流循环到含氧化合物 - 烯烃转化步骤。

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

IPC: C07C4/06 ,  C07C1/22

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）。