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公开(公告)号：US20190241484A1
公开(公告)日：2019-08-08
申请号：US16382708
申请日：2019-04-12
Applicant: Chevron U.S.A. Inc.
Inventor： Hye-Kyung Cho Timken , Kenneth John Peinado , Bong-Kyu Chang
CPC classification number: C07C2/58 , B01J31/0284 , C07C5/3335 , C07C5/3337 , C07C2521/04 , C07C2521/18 , C07C2523/26 , C07C2523/42 , C07C2531/02 , C10G5/00 , C10G9/00 , C10G29/205 , C10G57/005
Abstract: An integrated process unit for making one or more alkylate products is provided. The integrated process unit includes (a) a dehydrogenation reactor; (b) a single alkylation reactor; (c) a separator, following the alkylation reactor, that separates effluent from the alkylation reactor into a catalyst phase and a hydrocarbon phase; (d) a distillation unit, following the separator, that receives the hydrocarbon phase and separates it into alkylate products, an unreacted paraffin phase, and an isoparaffin phase; (e) a first recycle line that feeds unreacted paraffin phase to the dehydrogenation reactor; and (f) a second recycle line that feeds isoparaffin phase to the alkylation reactor.
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公开(公告)号：US10059639B2
公开(公告)日：2018-08-28
申请号：US15255271
申请日：2016-09-02
Applicant: Chevron U.S.A. Inc.
Inventor： Hye-Kyung Cho Timken , Bong-Kyu Chang , Sven Ivar Hommeltoft
CPC classification number: C07C2/58 , B01J31/0284 , B01J2231/32 , C07C2/60 , C07C2527/125 , C07C2531/02 , C10G17/02 , C10G29/205 , C10G2300/1088 , C10G2400/02 , C10L1/06 , C10L2270/023 , C07C11/02
Abstract: A process, comprising: providing an olefin feed comprising pentenes, butenes, and isopentane; and alkylating the olefin feed with isobutane using an acidic ionic liquid catalyst; wherein less than 5 mol % of C5 olefins in the olefin feed are converted to isopentane, and the alkylate gasoline has defined final boiling points and high RONs. A process comprising: alkylating an olefin feed comprising pentenes and isopentane, with isobutane using an acidic ionic liquid catalyst; wherein less than 5 mol % of C5 olefins in the olefin feed are converted to isopentane; and wherein an n-pentane product yield is low. An alkylate gasoline, comprising less than 0.1 wt % olefins and aromatics, less than 1.8 wt % C12+hydrocarbons, and greater than 60 wt % combined C8 and C9 hydrocarbons, wherein the trimethylpentane in the C8 hydrocarbons and the trimethylhexane in the C9 hydrocarbons are defined.
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公开(公告)号：US11964926B2
公开(公告)日：2024-04-23
申请号：US17954420
申请日：2022-09-28
Applicant: CHEVRON U.S.A. INC.
Inventor： Bong-Kyu Chang , Hye-Kyung Cho Timken , Huping Luo
CPC classification number: C07C2/60 , B01J31/0244 , C07C9/16 , C10L1/06 , C07C2531/02 , C10L2200/0423 , C10L2270/023
Abstract: A process for producing high octane alkylate is provided. The process involves reacting isobutane and ethylene using an ionic liquid catalyst. Reaction conditions can be chosen to assist in attaining, or to optimize, desirable alkylate yields and/or properties.
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公开(公告)号：US11643374B1
公开(公告)日：2023-05-09
申请号：US17954486
申请日：2022-09-28
Applicant: CHEVRON U.S.A. INC.
Inventor： Bong-Kyu Chang , Hye-Kyung Cho Timken , Michelle K. Young , Cong-Yan Chen , Stephen Joseph Miller
CPC classification number: C07C2/60 , B01J31/0284 , C07C1/24 , C07C2531/02
Abstract: A process for producing high octane bio-based alkylate is provided. The process involves reacting isobutane and bio-ethylene using an ionic liquid catalyst. Reaction conditions can be chosen to assist in attaining, or to optimize, desirable alkylate yields and/or properties.
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5.发明授权公开(公告)号：US09796642B2
公开(公告)日：2017-10-24
申请号：US14656967
申请日：2015-03-13
Applicant: Chevron U.S.A. Inc.
Inventor： Donald Henry Mohr , Huping Luo , Clifford Michael Lowe , Hye Kyung Cho Timken , Krishniah Parimi , Michael John Girgis , Bong-Kyu Chang
CPC classification number: C07C2/58 , C10G29/205 , C10G2300/1088 , C07C9/00
Abstract: Systems and apparatus for ionic liquid catalyzed hydrocarbon conversion, such as alkylation, using vaporization to remove reaction heat from an ionic liquid reactor and to provide mixing therein, wherein hydrocarbon vapors are withdrawn from the ionic liquid reactor and the withdrawn hydrocarbon vapor is recovered by a hydrocarbon vapor recovery unit in fluid communication with the ionic liquid reactor for recycling condensed hydrocarbons to the ionic liquid reactor. Processes for ionic liquid catalyzed alkylation are also disclosed.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20170204340A1
公开(公告)日：2017-07-20
申请号：US15473738
申请日：2017-03-30
Applicant: Chevron U.S.A. Inc.
Inventor： Hye-Kyung Cho Timken , Bong-Kyu Chang
CPC classification number: C10G50/00 , B01J27/125 , B01J31/0284 , B01J31/0298 , B01J35/12 , C07C2/58 , C07C2527/125 , C10G11/18 , C10G29/205 , C10G57/005 , C10G2300/202 , C10G2400/02 , C10L1/023 , C10L2270/023 , C10L2290/08 , C07C9/16
Abstract: Processes are provided for making an alkylate gasoline blending component, comprising: a. feeding an olefin feed comprising greater than 80 wppm of a sulfur contaminant comprising mercaptans, alkyl sulfides, and alkyl disulfides to a chloroaluminate ionic liquid catalyst, wherein a level of the sulfur contaminant accumulates in the chloroaluminate ionic liquid catalyst to make a sulfur-contaminated ionic liquid catalyst comprising 300 to 20,000 wppm of a sulfur; and b. alkylating the olefin feed with an isoparaffin using the sulfur-contaminated ionic liquid catalyst to make the alkylate gasoline blending component having a final boiling point below 221° C. An alkylation process exclusively utilizing coker LPG olefins is also provided.
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公开(公告)号：US20190002368A1
公开(公告)日：2019-01-03
申请号：US15640655
申请日：2017-07-03
Applicant: Chevron U.S.A. Inc.
Inventor： Hye-Kyung Cho Timken , Kenneth John Peinado , Bong-Kyu Chang
Abstract: We provide a process, comprising:a. dehydrogenating natural gas liquid to produce a mixture comprising olefins and unconverted paraffins;b. without further purification or modification other than mixing with an isoparaffin, sending the mixture to a single alkylation reactor;c. alkylating the olefins with the isoparaffin, using an ionic liquid catalyst, to produce one or more alkylate products; andd. distilling the one or more alkylate products and collecting a bottoms distillation fraction that is a middle distillate blending component having a sulfur level of 50 wppm or less and a Bromine number less than 1.
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8.发明授权公开(公告)号：US10167432B2
公开(公告)日：2019-01-01
申请号：US15473738
申请日：2017-03-30
Applicant: Chevron U.S.A. Inc.
Inventor： Hye-Kyung Cho Timken , Bong-Kyu Chang
IPC: C07C2/58 , C10G50/00 , C10G29/20 , C10G11/18 , B01J31/02 , B01J35/12 , C10G57/00 , C10L1/02 , B01J27/125
Abstract: Processes are provided for making an alkylate gasoline blending component, comprising: a. feeding an olefin feed comprising greater than 80 wppm of a sulfur contaminant comprising mercaptans, alkyl sulfides, and alkyl disulfides to a chloroaluminate ionic liquid catalyst, wherein a level of the sulfur contaminant accumulates in the chloroaluminate ionic liquid catalyst to make a sulfur-contaminated ionic liquid catalyst comprising 300 to 20,000 wppm of a sulfur; and b. alkylating the olefin feed with an isoparaffin using the sulfur-contaminated ionic liquid catalyst to make the alkylate gasoline blending component having a final boiling point below 221° C. An alkylation process exclusively utilizing coker LPG olefins is also provided.
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9.发明申请PNEUMATICALLY AGITATED IONIC LIQUID ALKYLATION USING VAPORIZATION TO REMOVE REACTION HEAT 有权使用蒸发去除反应热的气动化学离子液体烷基化公开(公告)号：US20160263547A1
公开(公告)日：2016-09-15
申请号：US14656950
申请日：2015-03-13
Applicant: Chevron U.S.A. Inc.
Inventor： Donald Henry Mohr , Huping Luo , Clifford Michael Lowe , Hye Kyung Cho Timken , Krishniah Parimi , Michael John Girgis , Bong-Kyu Chang
CPC classification number: B01J19/246 , B01J4/002 , B01J4/004 , B01J19/0013 , B01J19/2405 , B01J19/2465 , B01J19/26 , B01J2219/00047 , B01J2219/00103 , B01J2219/00108 , B01J2219/0011 , B01J2219/182 , B01J2219/185 , B01J2219/1943 , B01J2219/24 , C07C2/58 , C07C2527/125 , C07C9/16
Abstract: Systems and apparatus for ionic liquid catalyzed hydrocarbon conversion, such as alkylation, using vaporization to remove reaction heat from an ionic liquid reactor and to provide mixing therein, wherein hydrocarbon vapors are withdrawn from the ionic liquid reactor and the withdrawn hydrocarbon vapor is recovered by a hydrocarbon vapor recovery unit in fluid communication with the ionic liquid reactor for recycling condensed hydrocarbons to the ionic liquid reactor. Processes for ionic liquid catalyzed alkylation are also disclosed.
Abstract translation: 用于离子液体催化的烃转化的系统和装置，例如烷基化，使用蒸发来除去离子液体反应器的反应热并提供其中的混合，其中烃蒸气从离子液体反应器中取出并且取出的烃蒸气通过 烃蒸气回收单元与离子液体反应器流体连通，用于将冷凝的烃再循环到离子液体反应器。 还公开了用于离子液体催化烷基化的方法。
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公开(公告)号：US11643373B1
公开(公告)日：2023-05-09
申请号：US17954438
申请日：2022-09-28
Applicant: CHEVRON U.S.A. INC.
Inventor： Huping Luo , Hye-Kyung Cho Timken , Bong-Kyu Chang
CPC classification number: C07C2/60 , B01J31/0277 , B01J31/0284 , C07C2/58 , C07C2/62 , C07C2531/02
Abstract: An alkylation process is described. The process involves alkylation of isobutane and ethylene in a loop reactor using an ionic liquid catalyst as a continuous phase. The alkylate typically has a research octane number of at least about 93, and the olefin conversion is typically at least about 95%.
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