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公开(公告)号：US20210261481A1
公开(公告)日：2021-08-26
申请号：US17256688
申请日：2019-06-26
Applicant: Dow Global Technologies LLC
Inventor： Matthew T. Pretz , Hangyao Wang , Lin Luo
IPC: C07C5/333
Abstract: According to one or more embodiments presently disclosed, a method for processing a chemical stream may include contacting a feed stream with a catalyst in a reactor portion of a reactor system that includes a reactor portion and a catalyst processing portion. Contacting the feed stream with the catalyst may cause a reaction forming an effluent. The method may include separating the effluent stream from the catalyst, passing the catalyst to the catalyst processing portion, and processing the catalyst in the catalyst processing portion. Processing the catalyst may include passing the catalyst to a combustor, combusting a supplemental fuel stream in the combustor to heat the catalyst, and treating the heated catalyst with an oxygen-containing gas. The supplemental fuel stream may include at least 1 mol % of one or more hydrocarbons, and a weight ratio of catalyst to hydrocarbons in the combustor may be at least 300:1.
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公开(公告)号：US09884314B2
公开(公告)日：2018-02-06
申请号：US14420677
申请日：2013-07-31
Applicant: Dow Global Technologies LLC
Inventor： Lin Luo , Brien A. Stears
IPC: B01J21/04 , B01J21/08 , B01J21/12 , B01J23/54 , B01J23/56 , B01J23/58 , B01J23/62 , B01J23/63 , B01J23/64 , B01J23/76 , B01J23/78 , B01J23/825 , B01J23/83 , B01J23/84 , B01J23/86 , B01J23/89 , B01J38/02 , B01J38/12 , B01J38/18 , B01J38/38 , B01J23/96 , B01J23/648 , B01J23/652 , C07C5/333
CPC classification number: B01J23/96 , B01J23/648 , B01J23/6482 , B01J23/652 , B01J23/6522 , B01J23/8906 , B01J23/8993 , B01J38/02 , B01J38/12 , B01J38/18 , B01J38/38 , C07C5/3337 , C07C2521/04 , C07C2521/08 , C07C2521/12 , C07C2523/02 , C07C2523/04 , C07C2523/08 , C07C2523/10 , C07C2523/22 , C07C2523/26 , C07C2523/42 , C07C2523/44 , C07C2523/46 , C07C2523/652 , C07C2523/745 , C07C2523/89 , Y02P20/52 , Y02P20/584 , C07C11/04 , C07C11/06 , C07C11/08
Abstract: A catalyst comprising a Group IIIA metal, a Group VIII noble metal, and an optional promoter metal, on a support selected from silica, alumina, silica-alumina compositions, rare earth modified alumina, and combinations thereof, doped with iron, a Group VIB metal, a Group VB metal, or a combination thereof, offers decreased reactivation time under air soak in comparison with otherwise identical catalysts. Reducing reactivation time may, in turn, reduce costs, both in inventory and capital.
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公开(公告)号：US09776170B2
公开(公告)日：2017-10-03
申请号：US15035315
申请日：2014-12-02
Applicant: Dow Global Technologies LLC
Inventor： Mark P. Kaminsky , Andrzej Malek , Lin Luo , Brien A. Stears , Isa K. Mbaraka , Devon C. Rosenfeld
CPC classification number: B01J23/08 , B01J37/0201 , B01J37/0215 , B01J37/0236 , B01J37/0242 , C07C5/3332 , C07C2521/02 , C07C2521/04 , C07C2521/12 , C07C2523/08 , Y02P20/52 , C07C11/06
Abstract: A heterogeneous catalyst suitable for use in alkane dehydrogenation has an active layer that includes alumina and gallia. The active layer is dispersed on a support such as alumina or silica-modified alumina.
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公开(公告)号：US20160288093A1
公开(公告)日：2016-10-06
申请号：US15035315
申请日：2014-12-02
Applicant: DOW GLOBAL TECHNOLOGIES LLC
Inventor： Mark P. Kaminsky , Andrzej Malek , Lin Luo , Brien A. Stears , Isa K. Mbaraka , Devon C. Rosenfeld
CPC classification number: B01J23/08 , B01J37/0201 , B01J37/0215 , B01J37/0236 , B01J37/0242 , C07C5/3332 , C07C2521/02 , C07C2521/04 , C07C2521/12 , C07C2523/08 , Y02P20/52 , C07C11/06
Abstract: A heterogeneous catalyst suitable for use in alkane dehydrogenation has an active layer that includes alumina and gallia. The active layer is dispersed on a support such as alumina or silica-modified alumina.
Abstract translation: 适用于烷烃脱氢的非均相催化剂具有包括氧化铝和胆碱的活性层。 活性层分散在载体如氧化铝或二氧化硅改性的氧化铝上。
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公开(公告)号：US20240376026A1
公开(公告)日：2024-11-14
申请号：US18695957
申请日：2022-10-03
Applicant: Dow Global Technologies LLC
Inventor： Lin Luo , Hangyao Wang , Yu Liu , Matthew T. Pretz
Abstract: According to one or more embodiments of the present disclosure, a method for processing chemicals may include reacting a feed stream in the presence of a catalyst to form a product stream, passing the catalyst to a regenerator, removing olefins from a supplemental fuel stream to form an olefin depleted supplemental fuel stream, passing the olefin depleted supplemental fuel stream to the regenerator, combusting the olefin depleted supplemental fuel stream in the regenerator to heat the catalyst, and passing the heated catalyst to the reactor. The supplemental fuel stream may include at least 90 mol. % of the combination of hydrogen, methane, and nitrogen. The supplemental fuel stream may include from 0.1 mol. % to 10 mol. % olefins. The olefin depleted supplemental fuel stream may include less than or equal to 50% of the olefins present in the supplemental fuel stream prior to the olefin removal.
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Patent Agency Ranking
公开(公告)号：US20240051901A1
公开(公告)日：2024-02-15
申请号：US18257895
申请日：2021-12-15
Applicant: Dow Global Technologies LLC
Inventor： Lin Luo , Yang Yang , Adrianus Koeken , Brien Stears , Luis Bollmann , Andrzej Malek , Brian W. Goodfellow
CPC classification number: C07C5/3337 , B01J23/62 , B01J21/04 , B01J23/96 , B01J38/30 , B01J38/02 , C07C2523/62
Abstract: According to one or more embodiments of the present disclosure, a method for producing olefins includes contacting a hydrocarbon-containing feed with a catalyst in a reactor portion of a reactor system to form an olefin-containing effluent, separating at least a portion of the olefin-containing effluent from the catalyst, passing the catalyst to a catalyst-processing portion of the reactor system and processing the catalyst to produce a processed catalyst and a combustion gas, passing the processed catalyst from the catalyst-processing portion to the reactor portion, and introducing a combustion additive to the reactor system when the combustion gas comprises one or more hydrocarbons in an amount greater than 5% of an LFL of the combustion gas at a temperature and pressure of the catalyst processing portion. The catalyst may include from 1 ppmw to 150 ppmw platinum. The combustion additive may include from 150 ppmw to 1,000 ppmw platinum.
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公开(公告)号：US20240050927A1
公开(公告)日：2024-02-15
申请号：US18257908
申请日：2021-12-15
Applicant: Dow Global Technologies LLC
Inventor： Lin Luo , Yang Yang , Adrianus Koeken , Brien Stears , Luis Bollmann , Andrzej Malek , Brian W. Goodfellow
CPC classification number: B01J23/62 , B01J21/04 , C07C5/3337 , C07C2523/42 , C07C2523/08
Abstract: According to one or more embodiments of the present disclosure, a catalyst system useful for dehydrogenation includes from 98 vol. % to 99.95 vol. % of a catalyst and from 0.05 vol. % to 2 vol. % of a combustion additive. The catalyst may include from 1 ppmw to 150 ppmw platinum, gallium, and a support material. The combustion additive may include from 150 ppmw to 1,000 ppmw platinum, gallium, and a support material. The combustion additive may include at least 1.1 times greater platinum than the catalyst.
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公开(公告)号：US20230364570A1
公开(公告)日：2023-11-16
申请号：US18246968
申请日：2021-09-30
Applicant: Dow Global Technologies LLC
Inventor： Matthew T. Pretz , Quan Yuan , Pritish M. Kamat , Liwei Li , Lin Luo
CPC classification number: B01J4/004 , B01J4/002 , B01J8/1809 , B01J8/1827 , F23C10/01 , F23C10/22 , B01J2208/00902 , B01J2208/00911
Abstract: According to one or more embodiments, a chemical feed distributor may include a chemical feed inlet and a body. The chemical feed inlet may pass a chemical feed stream into the chemical feed distributor. The body may comprise one or more walls that may define an elongated chemical feed stream flow path and a plurality of chemical feed outlets. The plurality of chemical feed outlets may be spaced on the walls. The plurality of chemical feed outlets may be operable to pass the chemical feed stream out of the chemical feed distributor. The elongated chemical feed stream flow path may comprise an upstream fluid flow path portion and a downstream fluid flow path portion. The walls may be positioned such that the average cross-sectional area of the upstream fluid flow path portion is greater than the average cross-sectional area of the downstream fluid flow path portion.
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19.发明授权公开(公告)号：US11643377B2
公开(公告)日：2023-05-09
申请号：US17860357
申请日：2022-07-08
Applicant: Dow Global Technologies LLC
Inventor： Matthew T. Pretz , Mark W. Stewart , Lin Luo , Hangyao Wang
IPC: C07C5/333 , B01J8/00 , B01J8/18 , B01J8/24 , B01J21/12 , B01J23/62 , B01J23/96 , B01J38/02 , B01J38/12 , C07C5/32 , C07C5/327
CPC classification number: C07C5/3337 , B01J8/0035 , B01J8/1827 , B01J8/1845 , B01J8/24 , B01J21/12 , B01J23/62 , B01J23/96 , B01J38/02 , B01J38/12 , B01J2208/00769 , C07C5/32 , C07C5/325 , C07C5/327 , C07C2521/04 , C07C2521/08 , C07C2523/08 , C07C2523/42 , C07C2523/62
Abstract: A method for processing a chemical stream includes contacting a feed stream with a catalyst in a reactor portion of a reactor system that includes a reactor portion and a catalyst processing portion. The catalyst includes platinum, gallium, or both and contacting the feed stream with the catalyst causes a reaction which forms an effluent stream. The method includes separating the effluent stream from the catalyst, passing the catalyst to the catalyst processing portion, and processing the catalyst in the catalyst processing portion. Processing the catalyst includes passing the catalyst to a combustor, combusting a supplemental fuel in the combustor to heat the catalyst, treating the heated catalyst with an oxygen-containing gas to produce a reactivated catalyst, and passing the reactivated catalyst from the catalyst processing portion to the reactor portion. The supplemental fuel may include a molar ratio of hydrogen to other combustible fuels of at least 1:1.
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20.发明授权公开(公告)号：US11414363B2
公开(公告)日：2022-08-16
申请号：US17256706
申请日：2019-06-26
Applicant: Dow Global Technologies LLC
Inventor： Matthew T. Pretz , Mark W. Stewart , Lin Luo , Hangyao Wang
IPC: C07C5/333 , B01J8/00 , B01J8/18 , B01J8/24 , B01J21/12 , B01J23/62 , B01J23/96 , B01J38/02 , B01J38/12 , C07C5/32 , C07C5/327
Abstract: A method for processing a chemical stream includes contacting a feed stream with a catalyst in a reactor portion of a reactor system that includes a reactor portion and a catalyst processing portion. The catalyst includes platinum, gallium, or both and contacting the feed stream with the catalyst causes a reaction which forms an effluent stream. The method includes separating the effluent stream from the catalyst, passing the catalyst to the catalyst processing portion, and processing the catalyst in the catalyst processing portion. Processing the catalyst includes passing the catalyst to a combustor, combusting a supplemental fuel in the combustor to heat the catalyst, treating the heated catalyst with an oxygen-containing gas to produce a reactivated catalyst, and passing the reactivated catalyst from the catalyst processing portion to the reactor portion. The supplemental fuel may include a molar ratio of hydrogen to other combustible fuels of at least 1:1.
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