公开(公告)号：US20180362425A1

公开(公告)日：2018-12-20

申请号：US16060262

申请日：2016-12-07

Applicant: SHELL OIL COMPANY

Inventor： Evert VAN DER HEIDE ,  Timothy Michael NISBET ,  Leslie Andrew CHEWTER ,  Pieter HUIZENGA

IPC: C07C29/132 ,  C07C31/20 ,  B01J19/18 ,  B01J19/24 ,  B01J21/06 ,  B01J23/22 ,  B01J23/26 ,  B01J23/28 ,  B01J23/30

Abstract: The invention provides a continuous process for the preparation of ethylene glycol and 1,2-propylene glycol from starting material comprising one or more saccharides, said process comprising providing a feedstock comprising said one or more saccharides in a solvent to a reactor, said reactor having supported therein a heterogeneous hydrogenation catalytic composition and contacting the feedstock therein directly with said heterogeneous hydrogenation catalytic composition and concurrently with a retro-aldol catalyst composition in the presence of hydrogen, wherein said reactor operates in an essentially plug flow manner.

公开(公告)号：US20160257626A1

公开(公告)日：2016-09-08

申请号：US15032815

申请日：2014-10-30

Applicant: SHELL OIL COMPANY

Inventor： Richard Addison SANBORN ,  Sivakumar SADASIVAN VIJAYAKUMARI ,  Leslie Andrew CHEWTER ,  Ye-Mon CHEN

IPC: C07C1/20 ,  B01J8/24

CPC classification number: C07C1/20 ,  B01J8/1827 ,  B01J8/24 ,  B01J8/44 ,  B01J19/02 ,  B01J2208/00902 ,  B01J2219/0218 ,  B01J2219/0236 ,  B01J2219/0286 ,  C07C2529/00 ,  Y02P30/42 ,  C07C11/04 ,  C07C11/06

Abstract: A process for converting oxygenates to olefins comprising: a) providing an oxygenate containing stream to an oxygenate to olefins conversion reactor; b) passing the oxygenate containing stream through a feed introduction system comprising one or more nozzles and one or more corresponding caps; c) contacting the oxygenate containing stream with a molecular sieve catalyst in the oxygenate to olefins conversion reactor to form an olefin containing product stream; and d) removing the product stream from the reactor.

Abstract translation: 一种将含氧化合物转化成烯烃的方法，包括：a）向含氧化合物提供含氧化合物的流向烯烃转化反应器; b）使含氧化合物流通过包括一个或多个喷嘴和一个或多个相应盖的进料引入系统; c）将含氧化合物物流与分子筛催化剂在含氧化合物中接触至烯烃转化反应器以形成含烯烃的产物流; 和d）从反应器中除去产物流。

公开(公告)号：US20160257625A1

公开(公告)日：2016-09-08

申请号：US15032800

申请日：2014-10-30

Applicant: SHELL OIL COMPANY

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

IPC: C07C1/20 ,  C07C7/04

CPC classification number: C07C1/20 ,  C07C7/04 ,  C07C2529/00 ,  C07C2529/40 ,  Y02P30/42 ,  C07C11/04 ,  C07C11/06

Abstract: A process for converting oxygenates to olefms comprising: a) contacting an oxygenate containing stream with a molecular sieve catalyst under oxygenate to olefms conversion conditions in a reactor to form an effluent comprising olefms; b) separating C3-hydrocarbons from C4+ hydrocarbons in the effluent; c) separating C1 hydrocarbons and other light gases from C2+ hydrocarbons; d) separating C2 hydrocarbons from the C3 hydrocarbons; e) sending the C3 hydrocarbons to a C3 splitter to separate pro pylene from propane; f) removing propylene from the C3 splitter; and g) removing propane from the C3 splitter.

Abstract translation: 一种将含氧化合物转化为烯烃的方法，包括：a）在含氧化合物下使含氧化合物的物流与分子筛催化剂接触，以在烯烃转化条件下在反应器中形成含烯烃的流出物; b）将C3-烃与流出物中的C4 +烃分离; c）从C2 +烃分离C1烃和其他轻质气体; d）从C3烃中分离C2烃; e）将C3碳氢化合物送入C3分离器以将丙烯与丙烷分离; f）从C3分离器中除去丙烯; 和g）从C3分离器中除去丙烷。

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

IPC: C07C1/24 ,  B01J8/02

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。

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。

公开(公告)号：US20130172645A1

公开(公告)日：2013-07-04

申请号：US13727877

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 ,  C07C2529/40 ,  C07C2529/70 ,  Y02P30/42 ,  C07C11/08 ,  C07C43/046 ,  C07C11/02

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 obtain a stream enriched in unsaturated C4 hydrocarbons comprising isobutene and n-butenes, and a stream enriched in saturated C4 hydrocarbons; converting the isobutene in the stream enriched in unsaturated C4 hydrocarbons into an alkyl tertiary butyl ether to obtain an isobutene-depleted unsaturated C4 hydrocarbon stream and alkyl tertiary-butyl ether; and recycling at least part of the isobutene-depleted unsaturated C4 hydrocarbon stream and/or at least part of the alkyl tertiary-butyl ether, optionally after conversion into tertiary butanol and/or isobutene, to the oxygenate-to-olefins conversion step.

Abstract translation: 本发明涉及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烃进行萃取蒸馏以获得富含不饱和C 4烃的物流，其包含异丁烯和正丁烯，以及 富含饱和C4烃的物流; 将富含不饱和C4烃的物流中的异丁烯转化为烷基叔丁基醚，得到异丁烯贫化的不饱和C 4烃物流和烷基叔丁基醚; 并且任选地在转化成叔丁醇和/或异丁烯之后将至少部分异丁烯贫化的不饱和C4烃流和/或至少部分烷基叔丁基醚再循环到含氧化合物 - 烯烃转化步骤中。

公开(公告)号：US20130172627A1

公开(公告)日：2013-07-04

申请号：US13727863

申请日：2012-12-27

Applicant: Shell Oil Company

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

IPC: C07C1/22 ,  C07C41/06 ,  C07C4/04

CPC classification number: C07C1/22 ,  C07C1/20 ,  C07C4/04 ,  C07C41/06 ,  C07C2529/40 ,  C10G3/49 ,  C10G7/08 ,  C10G9/36 ,  C10G55/04 ,  C10G2400/20 ,  Y02P30/42 ,  C07C11/02 ,  C07C43/046

Abstract: The invention is a process for preparing lower olefins comprising: a) steam cracking a paraffinic feedstock to obtain a cracker effluent comprising olefins and saturated and unsaturated C4 hydrocarbons; b) contacting an oxygenate feedstock with a molecular sieve-comprising catalyst, at a temperature in the range of from 350 to 1000° C. to obtain an oxygenate conversion effluent comprising olefins and saturated and unsaturated C4 hydrocarbons; c) subjecting the cracker effluent and the oxygenate conversion effluent to one or more separation steps such that an olefin product stream comprising ethylene and/or propylene, and a stream comprising saturated and unsaturated C4 hydrocarbons are obtained; and d) subjecting part of the stream comprising C4 hydrocarbons from both the cracker effluent and the oxygenate conversion effluent to extractive distillation to obtain a stream enriched in unsaturated C4 hydrocarbons and a stream enriched in saturated C4 hydrocarbons.

Abstract translation: 本发明是一种制备低级烯烃的方法，包括：a）蒸汽裂解链烷烃原料以获得包含烯烃和饱和和不饱和C4烃的裂化器流出物; b）使含氧化合物原料与含分子筛的催化剂在350至1000℃的温度下接触，以获得包含烯烃和饱和和不饱和C4烃的含氧化合物转化流出物; c）使裂解液流出物和含氧化合物转化流出物经历一个或多个分离步骤，使得获得包含乙烯和/或丙烯的烯烃产物流和包含饱和和不饱和C4烃的物流; 和d）使来自裂化器流出物和含氧化合物转化流出物的包含C4烃的部分物流进行萃取蒸馏，以获得富含不饱和C 4烃的物流和富含饱和C 4烃的物流。

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

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

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）。

公开(公告)号：US20160264490A1

公开(公告)日：2016-09-15

申请号：US15032810

申请日：2014-10-30

Applicant: SHELL OIL COMPANY

Inventor： Richard Addison SANBORN ,  Bernardus Maria GEERTSHUIS ,  Leslie Andrew CHEWTER ,  Ye-Mon CHEN

IPC: C07C1/20 ,  B01J29/90

CPC classification number: C07C1/20 ,  B01J29/90 ,  C07C4/06 ,  C07C2529/00 ,  C07C2529/40 ,  Y02P20/584 ,  C07C11/02

Abstract: A process for converting oxygenates to olefins comprising: a) feeding an oxygenate stream to a reactor; b) contacting the oxygenate stream with a molecular sieve catalyst to form products and coke on the catalyst; c) passing the products and entrained catalyst into a first gas/solid separation device to separate the products from the catalyst; d) removing the products from the first gas/solid separation device; e) passing a portion of the catalyst from the reactor to a regenerator; f) regenerating the catalyst in the regenerator by contacting it with a regeneration medium to combust the coke on the catalyst and form combustion products; and g) passing the combustion products and entrained catalyst into a second gas/solid separation device to separate the combustion products from the catalyst wherein the separation efficiency of the first gas/solid separation device is greater than the separation efficiency of the second gas/solid separation device.

Abstract translation: 一种将含氧物转化成烯烃的方法，包括：a）将含氧化合物物流送入反应器; b）使含氧物流与分子筛催化剂接触以在催化剂上形成产物和焦炭; c）将产物和夹带的催化剂通入第一气/固分离装置以将产物与催化剂分离; d）从第一气/固分离装置中取出产品; e）将一部分催化剂从反应器通入再生器; f）通过使再生器与再生介质接触来再生催化剂，使催化剂上的焦炭燃烧并形成燃烧产物; 并且g）将燃烧产物和夹带的催化剂通入第二气/固分离装置，以将燃烧产物与催化剂分离，其中第一气/固分离装置的分离效率大于第二气/固分离装置的分离效率 分离装置

公开(公告)号：US20150119616A1

公开(公告)日：2015-04-30

申请号：US14526598

申请日：2014-10-29

Applicant: SHELL OIL COMPANY

Inventor： Richard Addison SANBORN ,  Sivakumar SADASIVAN VIJAYAKUMARI ,  Leslie Andrew CHEWTER ,  Ye-Mon CHEN

IPC: C07C1/22 ,  C07C4/06

CPC classification number: C07C1/20 ,  B01J29/90 ,  C07C2529/06 ,  C07C2529/40 ,  Y02P20/52 ,  Y02P20/584 ,  Y02P30/42 ,  C07C11/04 ,  C07C11/06

Abstract: A method for converting oxygenates to olefins comprising: a) feeding an oxygenate containing stream to a reactor; b) contacting the oxygenate containing stream with a molecular sieve catalyst under oxygenate-to-olefin conversion conditions to form products wherein the catalyst becomes deactivated due to the formation of coke on the catalyst; c) removing the products from the reactor; d) removing at least a portion of the catalyst from the reactor and sending the catalyst to a catalyst regenerator; e) contacting the catalyst with a regeneration medium and a fuel to combust at least a portion of the coke and to heat the catalyst; and f) returning at least a portion of the heated catalyst to the reactor wherein the fuel is a light hydrocarbon gas that has been at least partially diluted with nitrogen and/or air.

Abstract translation: 一种将含氧化合物转化为烯烃的方法，包括：a）将含氧化合物的料料送入反应器; b）在含氧化合物至烯烃转化条件下使含氧化合物的物流与分子筛催化剂接触以形成其中催化剂由于在催化剂上形成焦炭而失活的产物; c）从反应器中取出产品; d）从反应器中除去至少一部分催化剂并将催化剂送到催化剂再生器; e）使催化剂与再生介质和燃料接触以燃烧至少一部分焦炭并加热催化剂; 和f）将至少一部分加热的催化剂返回到反应器，其中燃料是至少部分用氮气和/或空气稀释的轻质烃气体。