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：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。

公开(公告)号：US20140187806A1

公开(公告)日：2014-07-03

申请号：US14136222

申请日：2013-12-20

Applicant: Shell Oil Company

Inventor： Jeroen VAN WESTRENEN

IPC: C07C1/22 ,  C07D301/02 ,  C07C7/08

CPC classification number: C07D301/02 ,  C07C1/20 ,  C07C7/08 ,  C07C41/42 ,  C07C2529/70 ,  Y02P30/42 ,  C07C11/06 ,  C07C43/043

Abstract: The present invention relates to a process for producing an olefinic product, comprising (a) preparing a reaction product by converting an oxygenate-comprising feedstock in an oxygenate to olefin process, the reaction product comprising at least C2+ olefins and DME, (b) separating at least part of the reaction product by means of extractive distillation using a butanol solvent into: (i) a first fraction comprising C3− olefins and butanol; and (ii) a second fraction comprising C4+ olefins, DME and butanol; (c) separating the first fraction into: (iii)a C3− olefinic product; and (iv) a third fraction comprising butanol; (d) separating the second fraction into: (v) a DME-comprising C4-C5 olefinic product; and (vi) a fourth fraction comprising butanol and C6+ olefins, wherein at least part of the third and/or fourth fraction are recycled to step (b) together with or as part of the butanol solvent.

Abstract translation: 本发明涉及一种制备烯烃产品的方法，包括（a）通过将含氧化合物的原料在含氧化合物转化为烯烃方法来制备反应产物，所述反应产物至少包含C2 +烯烃和DME，（b）分离 至少部分反应产物通过使用丁醇溶剂的萃取蒸馏进入：（i）包含C 3 - 烯烃和丁醇的第一级分; 和（ii）包含C4 +烯烃，DME和丁醇的第二级分; （c）将第一部分分离成：（iii）C3-烯烃产物; 和（iv）包含丁醇的第三级分; （d）将第二部分分离成：（v）包含DME的C 4 -C 5烯烃产物; 和（vi）包含丁醇和C 6 +烯烃的第四馏分，其中第三和/或第四馏分的至少一部分与丁醇溶剂一起或作为丁醇溶剂的一部分再循环到步骤（b）。

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：US20160355448A1

公开(公告)日：2016-12-08

申请号：US15103006

申请日：2013-12-13

Applicant: SHELL OIL COMPANY

Inventor： Antonius Gijsbertus Johannes KLOTH ,  Sivakumar SADASIVAN VIJAYAKUMARI ,  Jeroen VAN WESTRENEN

IPC: C07C1/20

CPC classification number: C07C1/20 ,  B01D17/045 ,  C07C2529/00 ,  C07C2529/40 ,  C07C2529/70 ,  C10G3/42 ,  Y02P30/42 ,  C07C11/04 ,  C07C11/02 ,  C07C11/06

Abstract: The invention provides a process for the preparation of an olefinic product, the process comprising the steps of: (a) reacting an oxygenate feedstock, comprising oxygenate, in an oxygenate reaction zone in the presence of a catalyst comprising a molecular sieve, at a temperature in the range of from 350 to 1000° C., to produce a reaction effluent stream, comprising at least oxygenate, olefin, water and acidic by-products; (b) cooling the reaction effluent stream by means of an indirect heat exchange to provide a cooled reaction effluent stream at a temperature greater than the dew point temperature of reaction effluent stream; (c) passing the cooled reaction effluent stream into a quench tower and contacting the cooled reaction effluent stream with a first aqueous liquid in the presence of at least one set of quench tower internals, to produce a quench tower gaseous stream comprising the olefinic product and a quench tower liquid stream comprising condensed material; and (d) separating the quench tower liquid stream into a hydrocarbon quench tower liquid stream and an aqueous quench tower liquid stream in the presence of one or more coalescers.

Abstract translation: 本发明提供了一种制备烯烃产物的方法，该方法包括以下步骤：（a）在包含分子筛的催化剂存在下，在含氧化合物反应区中使含氧化合物的含氧化合物原料在温度 在350至1000℃的范围内，以产生至少包含含氧化合物，烯烃，水和酸性副产物的反应流出物流; （b）通过间接热交换冷却反应流出物流，以在高于反应流出物流的露点温度的温度下提供冷却的反应流出物流; （c）将冷却的反应流出物流送入骤冷塔并在至少一组骤冷塔内部存在下将冷却的反应流出物流与第一含水液体接触，以产生包含烯烃产物的骤冷塔气流，和 包括冷凝材料的骤冷塔液流; 和（d）在一种或多种聚结器的存在下将骤冷塔液流分离成烃淬火塔液流和水淬火塔液流。

公开(公告)号：US20150018591A1

公开(公告)日：2015-01-15

申请号：US14319320

申请日：2014-06-30

Applicant: SHELL OIL COMPANY

Inventor： Saravana BHAVAN ,  Jeroen VAN WESTRENEN ,  Jeroen Gerard MARSMAN ,  Lesllie Andrew CHEWTER

IPC: C07C1/22

CPC classification number: C07C1/22 ,  C07C1/20 ,  C07C2529/06 ,  Y02P20/128 ,  Y02P30/42 ,  Y02P30/48 ,  C07C11/02

Abstract: A method of converting an oxygenate comprising feedstock to olefins comprising: feeding an oxygenate comprising feedstock into a reactor containing an oxygenate to olefins conversion catalyst; contacting the feedstock with the catalyst at oxygenate conversion conditions to produce olefins; removing an effluent comprising the olefins from the reactor; passing the effluent through a compression section to form a compressed effluent; and adding methane to the compression section.

Abstract translation: 将包含原料的含氧化合物转化为烯烃的方法，包括：将含有原料的含氧化合物进料到含有含氧化合物的反应器中至烯烃转化催化剂; 在含氧化合物转化条件下使原料与催化剂接触以产生烯烃; 从反应器中除去包含烯烃的流出物; 使流出物通过压缩部分以形成压缩流出物; 并向压缩部分加入甲烷。

公开(公告)号：US20140187834A1

公开(公告)日：2014-07-03

申请号：US14136021

申请日：2013-12-20

Applicant: Shell Oil Company

Inventor： Sivakumar SADASIVAN VIJAYAKUMARI ,  Jeroen VAN WESTRENEN

IPC: C07C1/22 ,  C07C4/02

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

Abstract: The current invention provides a process for extracting C4+ olefins from a stream comprising C4+ olefins and C4+ paraffins, wherein an oxygenate, preferably methanol (MeOH) is used as extractant, and wherein the resulting extract phase comprising C4+ olefins and extractant is converted into olefins. Also provided is a process for converting oxygenates to olefins, wherein the oxygenate preferably comprises MeOH, wherein the oxygenate is used as extractant and wherein an extract phase comprising C4+ olefins and the extractant are converted into olefins.

Abstract translation: 本发明提供了一种从包含C4 +烯烃和C4 +链烷烃的流中提取C4 +烯烃的方法，其中使用含氧化合物，优选甲醇（MeOH）作为萃取剂，其中所得到的包含C4 +烯烃和萃取剂的萃取相转化为烯烃。 还提供了将含氧物转化为烯烃的方法，其中含氧化合物优选包含MeOH，其中含氧化合物用作萃取剂，并且其中将包含C4 +烯烃和萃取剂的萃取相转化为烯烃。