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公开(公告)号：US10792616B2
公开(公告)日：2020-10-06
申请号：US15752112
申请日：2016-08-12
Applicant: BASF Corporation
Inventor： Xiaoming Wang , Xiaofan Yang , Meaghan C. McGuire , Geoffrey M. Johnson , John K. Hochmuth
Abstract: The present disclosure is directed to SCR catalysts, methods for their manufacture, and methods of treating emissions in an exhaust stream with them. The SCR catalysts are produced from pillaring and ion exchanging synthetic phyllosilicates, particularly hydrothermally synthesized phyllosilicates.
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公开(公告)号：US10450918B2
公开(公告)日：2019-10-22
申请号：US15735509
申请日：2016-06-10
Applicant: BASF Corporation
Inventor： Wen-Mei Xue , John K. Hochmuth
Abstract: Described are exhaust gas treatment systems for treatment of a gasoline engine exhaust gas stream. The exhaust gas treatment systems comprise an ammonia generating and hydrocarbon oxidation catalyst, a TWC catalyst, and an ammonia selective catalytic reduction (SCR) catalyst downstream of the TWC catalyst. The ammonia generating and hydrocarbon oxidation catalyst comprises a refractory metal oxide support, a platinum component, and a palladium component. The ammonia generating and hydrocarbon oxidation catalyst is substantially free of ceria and substantially free of NOx storage components. The platinum and palladium components are present in a platinum to palladium ratio of greater than about 1 to 1.
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公开(公告)号：US20180236402A1
公开(公告)日：2018-08-23
申请号：US15752112
申请日：2016-08-12
Applicant: BASF Corporation
Inventor： Xiaoming Wang , Xiaofan Yang , Meaghan C. McGuire , Geoffrey M. Johnson , John K. Hochmuth
Abstract: The present disclosure is directed to SCR catalysts, methods for their manufacture, and methods of treating emissions in an exhaust stream with them. The SCR catalysts are produced from pillaring and ion exchanging synthetic phyllosilicates, particularly hydrothermally synthesized phyllosilicates.
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公开(公告)号：US20180163597A1
公开(公告)日：2018-06-14
申请号：US15735491
申请日：2016-06-10
Applicant: BASF Corporation
Inventor： Wen-Mei Xue , John K. Hochmuth
IPC: F01N3/28 , F01N3/20 , F01N3/08 , C01C1/02 , B01J23/42 , B01J23/44 , B01J35/04 , B01J23/02 , B01D53/94
CPC classification number: F01N3/2803 , B01D53/9418 , B01D53/9422 , B01D53/945 , B01D53/9472 , B01D53/9477 , B01D2255/1021 , B01D2255/1023 , B01D2255/2042 , B01D2255/9032 , B01D2255/91 , B01D2255/9155 , B01J23/02 , B01J23/42 , B01J23/44 , B01J35/04 , C01C1/02 , F01N3/0814 , F01N3/0842 , F01N3/2066 , F01N3/2073 , F01N2240/25 , F01N2510/0682 , F01N2510/0684 , F01N2570/14 , F01N2610/02 , Y02T10/24
Abstract: Described are exhaust gas treatment systems for treatment of a gasoline engine exhaust gas stream. The exhaust gas treatment systems comprise an ammonia generating catalyst and an ammonia selective catalytic reduction (SCR) catalyst downstream of the ammonia generating catalyst. The ammonia generating catalyst comprises a NOx storage component, a refractory metal oxide support, a platinum component, and a palladium component. The ammonia generating catalyst is substantially free of ceria. The platinum and palladium components are present in a platinum to palladium ratio of greater than about 1 to 1.
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公开(公告)号：US20180038252A1
公开(公告)日：2018-02-08
申请号：US15555117
申请日：2016-03-24
Applicant: BASF CORPORATION
Inventor： Xiaofan Yang , Wen-Mei Xue , John K. Hochmuth , Matthew J. Schladt , Yuejin Li
IPC: F01N3/08 , B01J23/46 , B01J29/76 , B01J35/00 , F01N13/00 , B01D53/94 , F01N3/10 , F01N3/20 , F01N3/035 , B01J23/44 , B01J35/04
CPC classification number: F01N3/0814 , B01D53/9418 , B01D53/9422 , B01D53/944 , B01D53/9445 , B01D53/945 , B01D53/9463 , B01D53/9477 , B01D2255/1021 , B01D2255/1023 , B01D2255/20761 , B01D2255/50 , B01D2255/904 , B01D2255/9155 , B01D2258/014 , B01J23/40 , B01J23/42 , B01J23/44 , B01J23/464 , B01J29/04 , B01J29/072 , B01J29/763 , B01J35/0006 , B01J35/04 , F01N3/035 , F01N3/0821 , F01N3/0842 , F01N3/101 , F01N3/2066 , F01N13/0093 , F01N13/0097 , F01N2370/02 , Y02T10/22 , Y02T10/24
Abstract: Described are exhaust gas treatment systems for treatment of a gasoline engine exhaust gas stream containing NOx, particulate matter, and sulfur. The exhaust gas treatment system comprises: one or more catalytic articles selected from a three-way conversion catalyst (TWC), a lean NOx trap (LNT), and an integrated LNT-TWC; a platinum-containing catalytic article downstream from the one or more catalytic articles; and one or more selective catalytic reduction (SCR) catalytic articles immediately downstream from the platinum-containing catalytic article, the one or more SCR catalytic articles including a molecular sieve. The system stabilizes the SCR catalytic article from poisoning by sulfur.
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Patent Agency Ranking
公开(公告)号：US09764313B2
公开(公告)日：2017-09-19
申请号：US14741754
申请日：2015-06-17
Applicant: BASF Corporation
Inventor： Natalia Trukhan , Ulrich Müller , Michael Breen , Barbara Slawski , Qi Fu , Jaya L. Mohanan , Martin W. Kraus , Ahmad Moini , Xiaofan Yang , John K. Hochmuth
CPC classification number: B01J29/763 , B01D53/8628 , B01D53/9418 , B01D53/9427 , B01D53/9477 , B01D2251/2062 , B01D2251/2067 , B01D2251/208 , B01D2253/1085 , B01D2255/104 , B01D2255/2063 , B01D2255/2065 , B01D2255/20707 , B01D2255/20715 , B01D2255/20723 , B01D2255/2073 , B01D2255/20738 , B01D2255/20746 , B01D2255/20753 , B01D2255/20761 , B01D2255/209 , B01D2255/40 , B01D2255/407 , B01D2255/50 , B01D2255/9032 , B01D2255/904 , B01D2255/911 , B01D2255/9202 , B01D2255/9205 , B01D2255/9207 , B01D2257/402 , B01D2257/404 , B01D2257/406 , B01D2258/012 , B01J35/002 , B01J35/023 , B01J35/08 , B01J37/0228 , B01J37/0246 , Y02C20/10
Abstract: Described is a selective catalytic reduction material comprising a spherical particle including an agglomeration of crystals of a molecular sieve. The catalyst is a crystalline material that is effective to catalyze the selective catalytic reduction of nitrogen oxides in the presence of a reductant at temperatures between 200° C. and 600° C. A method for selectively reducing nitrogen oxides and an exhaust gas treatment system are also described.
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公开(公告)号：US20150266014A1
公开(公告)日：2015-09-24
申请号：US14658486
申请日：2015-03-16
Applicant: BASF Corporation
Inventor： Wen-Mei Xue , Attilio Siani , John K. Hochmuth , Markus Kinne , Stefan Kielbassa
IPC: B01J35/00 , B01J23/63 , B01J23/40 , F01N13/00 , B01J23/46 , B01J23/652 , B01J37/02 , B01D53/94 , B01J23/44
CPC classification number: B01J35/0006 , B01D53/9422 , B01D53/945 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2042 , B01D2255/2047 , B01D2255/2065 , B01D2255/20715 , B01D2255/2092 , B01D2255/407 , B01D2255/9022 , B01D2255/908 , B01D2255/91 , B01D2258/012 , B01J21/04 , B01J21/066 , B01J23/63 , B01J35/002 , B01J35/04 , B01J37/0244 , B01J37/0248 , F01N3/0842 , F01N3/2828 , F01N2510/0684 , Y02T10/22 , Y02T10/24
Abstract: A layered catalyst composite for the treatment of exhaust gas emissions, effective to provide lean NOx trap functionality and three-way conversion functionality is described. Layered catalyst composites can comprise catalytic material on a substrate, the catalytic material comprising at least two layers. The first layer comprising rare earth oxide-high surface area refractory metal oxide particles, an alkaline earth metal supported on the rare earth oxide-high surface area refractory metal oxide particles, and at least one first platinum group metal component supported on the rare earth oxide-high surface area refractory metal oxide particles. The second layer comprising a second platinum group metal component supported on a first oxygen storage component (OSC) and/or a first refractory metal oxide support and, optionally, a third platinum group metal supported on a second refractory metal oxide support or a second oxygen storage component.
Abstract translation: 描述了用于处理废气排放的层状催化剂复合材料，其有效提供贫NOx捕集功能和三向转化功能。 层状催化剂复合材料可以在基材上包含催化材料，催化材料包含至少两层。 第一层包括稀土氧化物高表面积难熔金属氧化物颗粒，负载在稀土氧化物高表面积难熔金属氧化物颗粒上的碱土金属和负载在稀土氧化物上的至少一种第一铂族金属组分 - 高表面积难熔金属氧化物颗粒。 第二层包括负载在第一储氧组分（OSC）和/或第一难熔金属氧化物载体上的第二铂族金属组分和任选地载于第二难熔金属氧化物载体上的第三铂族金属或第二氧 存储组件。
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公开(公告)号：US11473471B2
公开(公告)日：2022-10-18
申请号：US15735491
申请日：2016-06-10
Applicant: BASF Corporation
Inventor： Wen-Mei Xue , John K. Hochmuth
IPC: B01J23/42 , B01J23/44 , F01N3/28 , F01N3/20 , B01D53/94 , B01J23/02 , B01J35/04 , C01C1/02 , F01N3/08
Abstract: Described are exhaust gas treatment systems for treatment of a gasoline engine exhaust gas stream. The exhaust gas treatment systems comprise an ammonia generating catalyst and an ammonia selective catalytic reduction (SCR) catalyst downstream of the ammonia generating catalyst. The ammonia generating catalyst comprises a NOx storage component, a refractory metal oxide support, a platinum component, and a palladium component. The ammonia generating catalyst is substantially free of ceria. The platinum and palladium components are present in a platinum to palladium ratio of greater than about 1 to 1.
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公开(公告)号：US11154815B2
公开(公告)日：2021-10-26
申请号：US15552183
申请日：2016-02-26
Applicant: BASF Corporation
Inventor： Kenneth E. Voss , Jaya L. Mohanan , Kevin A. Hallstrom , Sandip D. Shah , John K. Hochmuth
IPC: B01D53/94
Abstract: Described are exhaust gas treatment systems for treatment of an engine exhaust gas stream containing NOx. The exhaust gas treatment system comprises an engine, a catalyst system including a selective catalytic reduction article comprising two zones, an upstream zone comprising iron-promoted first molecular sieves and a downstream zone comprising copper-promoted second molecular sieves. The catalyst system is effective to reduce high NOx levels in the exhaust gas stream. Also described are methods for treatment of engine exhaust gas streams, comprising treating engine exhaust gas streams containing high NOx levels with catalyst systems including selective catalytic reduction articles having two zones.
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公开(公告)号：US20180043305A1
公开(公告)日：2018-02-15
申请号：US15552183
申请日：2016-02-26
Applicant: BASF Corporation
Inventor： Kenneth E. Voss , Jaya L. Mohanan , Kevin A. Hallstrom , Sandip D. Shah , John K. Hochmuth
IPC: B01D53/94
CPC classification number: B01D53/9418 , B01D53/9436 , B01D53/944 , B01D53/9477 , B01D2251/2067 , B01D2255/102 , B01D2255/20738 , B01D2255/20761 , B01D2255/50 , B01D2255/9032 , B01D2258/012 , Y02T10/24
Abstract: Described are exhaust gas treatment systems for treatment of an engine exhaust gas stream containing NOx. The exhaust gas treatment system comprises an engine, a catalyst system including a selective catalytic reduction article comprising two zones, an upstream zone comprising iron-promoted first molecular sieves and a downstream zone comprising copper-promoted second molecular sieves. The catalyst system is effective to reduce high NOx levels in the exhaust gas stream. Also described are methods for treatment of engine exhaust gas streams, comprising treating engine exhaust gas streams containing high NOx levels with catalyst systems including selective catalytic reduction articles having two zones.
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