-
公开(公告)号：US20150353441A1
公开(公告)日：2015-12-10
申请号：US14655348
申请日：2013-12-24
Applicant: SHELL OIL COMPANY
Inventor： Sivakumar SADASIVAN VIJAYAKUMARI , Jeroen VAN WESTRENEN
IPC: C07C1/20
Abstract: The invention relates to a process for the preparation of an olefinic product comprising ethylene and/or propylene from an oxygenate comprising: a) an oxygenate conversion step wherein a gaseous effluent comprising olefins is obtained; b) separation of water from the effluent; c) compression of the effluent; d) acid gas removal from the effluent wherein the water-depleted compressed 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; and e) separating the olefinic product from the gaseous effluent treated in step d).
Abstract translation: 本发明涉及一种从含氧化合物制备包含乙烯和/或丙烯的烯烃产物的方法，包括：a）含氧化合物转化步骤，其中获得包含烯烃的气态流出物; b）将水从流出物中分离出来; c）流出物的压缩; d）从流出物中除去酸性气体，其中将贫水的压缩气体流出物用苛性塔中的苛性碱溶液和包含一种或多种芳族C 7 +烃的非水液体流加入到苛性碱溶液中以控制形成 的红油; 和e）从在步骤d）中处理的气态流出物中分离烯烃产物。
-
公开(公告)号：US20150336043A1
公开(公告)日：2015-11-26
申请号：US14758452
申请日：2013-12-31
Applicant: SHELL OIL COMPANY
Inventor： Sivakumar SADASIVAN VIJAYAKUMARI
IPC: B01D53/047 , C01B31/18 , C10G2/00 , C01B31/20
CPC classification number: B01D53/047 , B01D2253/102 , B01D2253/104 , B01D2253/106 , B01D2253/108 , B01D2253/116 , B01D2256/10 , B01D2256/16 , B01D2256/20 , B01D2256/245 , B01D2257/502 , B01D2257/504 , B01D2259/40071 , B01J20/08 , B01J20/103 , B01J20/18 , B01J20/20 , B01J2220/42 , B01J2220/606 , C01B3/56 , C01B32/40 , C01B32/50 , C10G2/32 , C10K1/32 , Y02C10/08 , Y02P20/152
Abstract: This invention concerns a method for recovering carbon monoxide and carbon dioxide from Fischer-Tropsch off-gas by feeding Fischer-Tropsch off-gas through a column comprising an adsorbent bed, and discharging effluent, optionally rinsing the column and the adsorbent bed by feeding NG and discharging effluent until at least 60% of the carbon monoxide that was present in the bed is discharged, pressurizing the column and adsorbent bed with NG, rinsing the column and the adsorbent bed by feeding NG until at least 50% of the carbon dioxide present at the commencement of this rinsing step is discharged, rinsing the column and adsorbent bed by feeding a mixture of hydrogen and nitrogen, pressurizing the column and adsorbent bed by feeding a mixture of hydrogen and nitrogen. With this method a feed comprising at least 50 vol % carbon monoxide can be produced. Furthermore, methane and carbon dioxide at a high pressure can be recovered from the Fischer-Tropsch gas. This can be fed to a gasifier or a reformer. In a preferred embodiment a gas comprising at least 80 vol % hydrogen is produced as well.
Abstract translation: 本发明涉及一种从费 - 托废气中回收一氧化碳和二氧化碳的方法，该方法是通过将费 - 托废气通过包括吸附床的塔排出，排出流出物，任选地通过进料NG漂洗该柱和吸附剂床 并排出流出物直到存在于床中的一氧化碳的至少60％排出，用NG加压柱和吸附剂床，通过进料NG冲洗柱和吸附床，直至存在至少50％的二氧化碳 在该冲洗步骤开始时排出，通过供给氢和氮的混合物冲洗柱和吸附剂床，通过供给氢和氮的混合物来加压塔和吸附剂床。 使用该方法可以生产包含至少50体积％一氧化碳的进料。 此外，可以从费 - 托气体回收高压下的甲烷和二氧化碳。 这可以被供给到气化器或重整器。 在优选的实施方案中，也产生包含至少80体积％的氢的气体。
-
公开(公告)号：US20150328577A1
公开(公告)日：2015-11-19
申请号：US14758449
申请日：2013-12-31
Applicant: SHELL OIL COMPANY
Inventor： Sivakumar SADASIVAN VIJAYAKUMARI
IPC: B01D53/047 , B01D53/04 , C10G2/00
CPC classification number: B01D53/047 , B01D53/0423 , B01D2253/102 , B01D2253/104 , B01D2253/106 , B01D2253/108 , B01D2253/116 , B01D2256/10 , B01D2256/16 , B01D2256/20 , B01D2256/245 , B01D2257/102 , B01D2257/108 , B01D2257/502 , B01D2257/504 , B01D2259/40013 , B01D2259/40028 , B01D2259/40043 , B01D2259/40049 , B01D2259/402 , B01D2259/4141 , C01B3/56 , C01B2203/0205 , C01B2203/0244 , C01B2203/025 , C01B2203/062 , C10G2/32 , C10G2/50 , C10G70/047 , C10G2300/1022 , C10K1/32 , Y02C10/08 , Y02P20/152
Abstract: This invention concerns a method for recovering carbon monoxide and carbon dioxide from Fischer-Tropsch off-gas by feeding Fischer-Tropsch off-gas through a column comprising an adsorbent bed, and discharging effluent, optionally rinsing the column and the adsorbent bed by feeding carbon dioxide and discharging effluent until at least 60% of the carbon monoxide that was present in the bed is discharged, pressurizing the column and adsorbent bed with carbon dioxide, rinsing the column and the adsorbent bed by feeding carbon dioxide, until at least 60% of the methane and optionally an amount equal to at least 50% of the carbon dioxide present at the commencement of this rinsing step is discharged, rinsing the column and adsorbent bed by feeding a mixture of hydrogen and nitrogen, pressurizing the column and adsorbent bed by feeding a mixture of hydrogen and nitrogen. With this method a feed comprising at least 50 vol % carbon monoxide can be produced. Furthermore, methane and carbon dioxide at a high pressure can be recovered from the Fischer-Tropsch gas. This can be fed to a gasifier or a reformer. In a preferred embodiment a gas comprising at least 80 vol % hydrogen is produced as well.
Abstract translation: 本发明涉及一种从费 - 托废气中回收一氧化碳和二氧化碳的方法，该方法是通过将费 - 托废气通过包括吸附床的塔排出，并排出流出物，任选地通过加入碳来冲洗该塔和吸附剂床 二氧化碳和排出物，直到床中存在的一氧化碳的至少60％排出，用二氧化碳对柱和吸附床加压，通过进料二氧化碳冲洗柱和吸附剂床，直至至少60％ 排出甲烷和任选地等于在该冲洗步骤开始时存在的二氧化碳的至少50％的量，通过供给氢和氮的混合物冲洗柱和吸附剂床，通过进料加压柱和吸附剂床 氢和氮的混合物。 使用该方法可以生产包含至少50体积％一氧化碳的进料。 此外，可以从费 - 托气体回收高压下的甲烷和二氧化碳。 这可以被供给到气化器或重整器。 在优选的实施方案中，也产生包含至少80体积％的氢的气体。
-
24.发明申请公开(公告)号：US20140343336A1
公开(公告)日：2014-11-20
申请号：US14360947
申请日：2012-11-28
Inventor： Sivakumar SADASIVAN VIJAYAKUMARI , Jeroen VAN WESTRENEN
CPC classification number: B01J29/90 , B01J20/18 , B01J20/3408 , B01J20/3458 , B01J29/40 , B01J29/85 , B01J38/12 , C07C1/20 , C07C4/06 , C07C2529/00 , Y02P20/584 , Y02P30/42 , C07C11/02
Abstract: The present invention relates to a process for the oxidative regeneration of a deactivated catalyst comprising providing a catalyst comprising molecular sieve in hydrogen form to a guard zone; passing a regeneration gas stream comprising oxidant through the guard zone to remove part of one or both of any alkali metal ion and alkaline earth metal ion from the regeneration gas stream, to provide a treated regeneration gas stream; providing deactivated catalyst comprising molecular sieve in a regeneration zone, said deactivated catalyst from one or both of an oxygenate to olefin process and an olefin cracking process; regenerating the deactivated catalyst in the regeneration zone with the treated regeneration gas stream to provide regenerated molecular sieve catalyst; wherein said catalyst in said guard zone is one or both of deactivated catalyst comprising molecular sieve in hydrogen form and regenerated catalyst comprising regenerated molecular sieve in hydrogen form.
Abstract translation: 本发明涉及一种失活催化剂的氧化再生方法，包括提供包含氢形式的分子筛的催化剂至保护区; 使包含氧化剂的再生气流通过保护区，从再生气流中除去部分碱金属离子和碱土金属离子中的一种或两种，以提供经处理的再生气流; 在再生区域中提供包含分子筛的失活催化剂，所述失活催化剂由含氧化合物与烯烃方法中的一种或两种以及烯烃裂解方法组成; 用经处理的再生气流再生再生区中的失活催化剂以提供再生分子筛催化剂; 其中所述保护区中的所述催化剂是包含氢形式的分子筛的失活催化剂中的一种或两种，以及包含氢形式的再生分子筛的再生催化剂。
-
Patent Agency Ranking
公开(公告)号：US20140187836A1
公开(公告)日：2014-07-03
申请号：US14136123
申请日：2013-12-20
Applicant: Shell Oil Company
Inventor： Sivakumar SADASIVAN VIJAYAKUMARI , Jeroen VAN WESTRENEN
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 liquid solvent comprising: (a) butanol; (b)alkyl tert-alkyl ether; or (c) alkyl tert-alkyl ether and butanol, treating the olefin stream comprising oxygenate with the liquid solvent, and retrieving from the oxygenate recovery zone at least one oxygenate-depleted olefinic product stream comprising olefin and a spent liquid 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，包括向含氧物回收区提供包含含氧化合物和液体溶剂的烯烃流，其包含：（a）丁醇; （b）烷基叔烷基醚; 或（c）烷基叔烷基醚和丁醇，用液体溶剂处理包含含氧化合物的烯烃物流，并从含氧物回收区回收至少一种含有烯烃的含氧化合物的烯烃产物流和废液体溶剂，该废液包含至少部分 的含氧化合物。
-
公开(公告)号：US20140187835A1
公开(公告)日：2014-07-03
申请号：US14136079
申请日：2013-12-20
Applicant: Shell Oil Company
Inventor： Jeroen VAN WESTRENEN , Sivakumar SADASIVAN VIJAYAKUMARI
IPC: C07C1/22
Abstract: The invention relates to a process for the preparation of ethylene and/or propylene comprising: (a) an oxygenate conversion step wherein a gaseous effluent comprising olefins is obtained; (b) subjecting the effluent to water removal and compression steps; (c) acid gas removal from the effluent obtained in step (b), wherein the gaseous effluent is treated with a caustic solution and a non-aqueous liquid stream comprising aromatic C7+ hydrocarbons is added to the caustic solution to control the formation of red oil, to obtain a treated gaseous effluent and a spent liquid phase comprising spent caustic solution, aromatic C7+ hydrocarbons and high molecular weight contaminants; and (d) separating an aqueous phase and a non-aqueous phase from the spent liquid phase; (e) purifying the non-aqueous phase by membrane separation using a hydrophobic non-porous or nano-porous membrane; and (f) separating the olefinic product from the treated gaseous effluent.
Abstract translation: 本发明涉及一种制备乙烯和/或丙烯的方法，包括：（a）含氧化合物转化步骤，其中获得包含烯烃的气态流出物; （b）使废水进行除水和压缩步骤; （c）从步骤（b）中获得的流出物中除去酸性气体，其中用苛性碱溶液处理气体流出物，并将包含芳族C 7 +烃的非水液体流加入苛性碱溶液中以控制形成红色油 ，以获得经处理的气态流出物和包含废碱溶液，芳族C 7+烃和高分子量污染物的废液相; 和（d）从废液相中分离出水相和非水相; （e）使用疏水性无孔或纳米多孔膜通过膜分离纯化非水相; 和（f）从经处理的气态流出物中分离出烯属产物。
-
公开(公告)号：US20140148631A1
公开(公告)日：2014-05-29
申请号：US13932296
申请日：2013-07-01
Applicant: SHELL OIL COMPANY
Inventor： Leslie Andrew CHEWTER , Ye-Mon CHEN , Timothy NISBET , Sivakumar SADASIVAN VIJAYAKUMARI , Jeroen VAN WESTRENEN
IPC: C07C1/22
CPC classification number: C07C1/22 , B01J8/0055 , B01J8/008 , B01J8/1827 , B01J8/1863 , B01J2208/0084 , B01J2208/00911 , B01J2219/0004 , C07C1/20 , C07C4/06 , 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 zeolite-comprising catalyst at a temperature in the range of from 500 to 700° 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 C5 olefins are admitted to the riser reactor at one or more of locations along the length of the flow trajectory. 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500-700℃的温度下，含氧化合物原料与含沸石的催化剂接触，以获得包含乙烯和/或 丙烯和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，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， 其中C5烯烃在沿着流动轨迹的长度的一个或多个位置处进入提升管反应器。 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：US20130276630A1
公开(公告)日：2013-10-24
申请号：US13660888
申请日：2012-10-25
Applicant: SHELL OIL COMPANY
Inventor： Justus Theodorus Gerardus TE BRAAKE , Maarten BRACHT , Desmond Andrew BUNGKU , Wouter David VAN DE GRAAF , Xander Linders , Sivakumar SADASIVAN VIJAYAKUMARI
IPC: B01D53/04
CPC classification number: B01D53/04 , B01D53/047 , B01D53/229 , B01D2253/102 , B01D2253/104 , B01D2253/108 , B01D2253/116 , B01D2256/10 , B01D2256/16 , B01D2257/502 , B01D2259/40001 , B01D2259/40007 , B01D2259/4062 , B01D2259/414 , C10G2/32 , C10G2300/1022 , C10G2300/4081 , C10K1/32
Abstract: A method for producing a gas comprising at least 80 vol % carbon monoxide from a Fischer-Tropsch off-gas comprises: (1) feeding Fischer-Tropsch off-gas through a column comprising an adsorbent bed at high pressure and discharging effluent; (2) reducing the pressure in the column and the bed slightly; (3) rinsing the column and the adsorbent bed with methane or a mixture of methane and carbon dioxide; (4) reducing the pressure of the column and adsorbent bed to a low pressure; (5) rinsing the column and adsorbent bed with a mixture of hydrogen and nitrogen; (6) pressurizing the column and adsorbent bed to a high pressure using a mixture of hydrogen and nitrogen. The product stream obtained in step (3) comprising at least 80 vol % carbon monoxide can be sent as feed to a Fischer-Tropsch reaction. In an embodiment, a gas comprising at least 80 vol % hydrogen is also produced.
Abstract translation: 一种从费 - 托废气中生产包含至少80体积％一氧化碳的气体的方法包括：（1）在高压下通过包含吸附床的塔进料费 - 托废气并排出流出物; （2）稍微降低柱和床的压力; （3）用甲烷或甲烷和二氧化碳的混合物冲洗塔和吸附床; （4）将柱和吸附剂床的压力降低到低压; （5）用氢和氮的混合物冲洗柱和吸附剂床; （6）使用氢和氮的混合物将塔和吸附剂床加压至高压。 包含至少80体积％一氧化碳的步骤（3）中获得的产物流可作为进料送入费 - 托反应。 在一个实施方案中，也产生包含至少80体积％氢气的气体。
-
公开(公告)号：US20130099167A1
公开(公告)日：2013-04-25
申请号：US13660895
申请日：2012-10-25
Applicant: SHELL OIL COMPANY
Inventor： Justus Theodorus Gerardus TE BRAAKE , Maarten BRACHT , Desmond Andrew BUNGKU , Wouter David VAN DE GRAAF , Xander Linders , Sivakumar SADASIVAN VIJAYAKUMARI
IPC: C01B3/50
CPC classification number: C10K1/32 , B01D53/04 , B01D53/047 , B01D53/22 , B01D53/229 , B01D2253/104 , B01D2253/108 , B01D2256/16 , B01D2256/20 , B01D2257/102 , B01D2257/502 , B01D2257/504 , B01D2257/7022 , B01D2259/4003 , B01D2259/40052 , B01D2259/40064 , B01D2259/40079 , B01D2259/40081 , B01D2259/402 , B01D2259/4145 , B01D2311/13 , B01D2311/2696 , C01B3/56 , C01B2203/042 , C01B2203/0465 , C01B2203/047 , C01B2203/0475 , C01B2203/048 , C10G2/30 , Y02C10/08 , Y02C10/10 , Y02P20/152
Abstract: A method for producing a gas comprising at least 80 vol % carbon monoxide from a Fischer-Tropsch off-gas comprising: (1) feeding Fischer-Tropsch off-gas through a column comprising an adsorbent bed at high pressure and discharging effluent; (2) reducing the pressure in the column and the bed slightly; (3) rinsing the column and the adsorbent bed with methane or carbon dioxide; (4) rinsing the column and the adsorbent bed with carbon dioxide; (5) reducing the pressure of the column and adsorbent bed to a low pressure; (6) rinsing the column and adsorbent bed with a mixture of hydrogen and nitrogen; (7) pressurizing the column and adsorbent bed to a high pressure using a mixture of hydrogen and nitrogen. The carbon monoxide rich product stream obtained in step (3) can be sent as feed to a Fischer-Tropsch reaction. In an embodiment, a gas comprising at least 80 vol % hydrogen is also produced.
Abstract translation: 一种从费 - 托废气生产包含至少80体积％一氧化碳的气体的方法，包括：（1）通过高压下包含吸附剂床的塔进料费 - 托废气并排出流出物; （2）稍微降低柱和床的压力; （3）用甲烷或二氧化碳冲洗柱和吸附床; （4）用二氧化碳冲洗柱和吸附床; （5）将柱和吸附剂床的压力降低到低压; （6）用氢和氮的混合物漂洗柱和吸附床; （7）使用氢和氮的混合物将塔和吸附剂床加压至高压。 步骤（3）中获得的富含一氧化碳的产物流可以作为进料送到费 - 托反应。 在一个实施方案中，也产生包含至少80体积％氢气的气体。
-
-
-
-
-
-
-
-
Search Results
29
records
(took 0.024 seconds)
