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公开(公告)号：US20190168199A1
公开(公告)日：2019-06-06
申请号：US16323154
申请日：2017-08-04
Applicant: BASF Corporation
Inventor： Jeff H. Yang , Wen-Mei Xue , Stanley A. Roth , Kenneth E. Voss , Qi Fu , Subramanian Prasad , Barbara K. Slawski , Jaya L. Mohanan , Sandip D. Shah
IPC: B01J29/76 , B01J35/00 , B01J35/04 , B01J37/30 , B01J37/06 , B01J37/00 , B01J37/10 , B01J37/02 , B01D53/94 , F01N3/20 , F01N3/035 , F01N3/10
Abstract: Certain selective catalytic reduction (SCR) articles, systems and methods provide for high NOx conversion while at the same time low N2O formation. The articles, systems and methods are suitable for instance for the treatment of exhaust gas of diesel engines. Certain articles have zoned coatings disposed thereon, for example, a zoned coating comprising an upstream zone comprising a coating layer comprising a steam-activated iron-containing molecular sieve and a downstream zone comprising a coating layer comprising a high copper-containing molecular sieve.
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公开(公告)号：US20180297014A1
公开(公告)日：2018-10-18
申请号：US15981160
申请日：2018-05-16
Applicant: BASF CORPORATION
Inventor： Jaya L. Mohanan , Gary A. Gramiccioni , John Hochmuth , Kenneth E. Voss
IPC: B01J23/10 , B01D53/94 , B01J21/06 , B01J21/04 , B01J29/76 , B01J35/00 , B01J35/02 , B01J35/04 , B01J37/04 , B01J37/02 , B01J37/08 , F01N3/20
CPC classification number: B01J23/10 , B01D53/94 , B01D53/9418 , B01D2251/2062 , B01D2251/2067 , B01D2255/206 , B01D2255/2061 , B01D2255/2065 , B01D2255/20715 , B01D2255/20738 , B01D2255/20761 , B01D2255/2092 , B01D2255/50 , B01D2255/9155 , B01D2255/9202 , B01D2255/9205 , B01J21/04 , B01J21/066 , B01J29/763 , B01J35/0006 , B01J35/0013 , B01J35/0073 , B01J35/026 , B01J35/04 , B01J37/0211 , B01J37/0215 , B01J37/0236 , B01J37/0248 , B01J37/04 , B01J37/086 , F01N3/20 , F01N3/2066 , Y02C20/10
Abstract: Described is a catalyst composition suitable for use as a selective catalytic reduction catalyst, including small-pore molecular sieve particles having a pore structure and a maximum ring size of eight tetrahedral atoms and impregnated with a promoter metal, and metal oxide particles dispersed within the small-pore molecular sieve particles and external to the pore structure of the small-pore molecular sieve particles, wherein the metal oxide particles include one or more oxides of a transition metal or lanthanide of Group 3 or Group 4 of the Periodic Table. A method for preparing the catalyst, 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：US09333490B2
公开(公告)日：2016-05-10
申请号：US14205469
申请日：2014-03-12
Applicant: BASF Corporation
Inventor： M. Shahjahan Kazi , Fabien A. Rioult , Stanley A. Roth , Kenneth E. Voss
IPC: B01D53/94 , B01J8/02 , C01B21/00 , C01B23/00 , C01B25/00 , C01B31/00 , C01B33/00 , C01B35/00 , C01G28/00 , C01G30/00 , B01D50/00 , B01J23/00 , B01J23/02 , B01J23/08 , B01J23/40 , B01J23/42 , B01J23/44 , B01J23/56 , B01J23/58 , B01J21/04 , B01J35/00 , B01J23/63 , F01N3/10 , B01J37/02 , B01J35/04 , B01J35/10
CPC classification number: B01J23/44 , B01D53/944 , B01D53/945 , B01D53/9454 , B01D53/9472 , B01D2255/1021 , B01D2255/1023 , B01D2255/9032 , B01D2258/012 , B01J23/58 , B01J23/63 , B01J35/0006 , B01J35/04 , B01J35/10 , B01J35/1033 , B01J35/1061 , B01J37/0219 , B01J37/0234 , B01J37/0244 , B01J37/0248 , B01J2523/00 , F01N3/103 , F01N2510/0682 , Y02T10/22 , B01J2523/31 , B01J2523/3706 , B01J2523/48 , B01J2523/824 , B01J2523/828
Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a zoned diesel oxidation catalyst with a first washcoat zone with a Pt/Pd ratio that is less than 3:1 and a PGM loading at least twice that of a second washcoat zone.
Abstract translation: 描述了用于处理来自柴油发动机的废气排放物的氧化催化剂复合材料，方法和系统。 更具体地，涉及一种氧化催化剂复合材料，其包括具有小于3:1的Pt / Pd比率的第一修补基面涂层区域的分区式柴油氧化催化剂和至少两次第二洗涂层区域的PGM负载量的氧化催化剂复合材料。
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公开(公告)号：US20150298098A1
公开(公告)日：2015-10-22
申请号：US14681552
申请日：2015-04-08
Applicant: BASF Corporation
Inventor： Gary A. Gramiccioni , Andreas Richard Munding , Kenneth E. Voss , Torsten Neubauer , Stanley A. Roth
CPC classification number: B01J23/464 , B01D53/9418 , B01D53/944 , B01D53/945 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/20715 , B01D2255/2092 , B01D2255/50 , B01D2255/9022 , B01D2255/9032 , B01D2255/908 , B01D2255/9202 , B01J23/42 , B01J23/44 , B01J29/7415 , B01J35/0006 , B01J35/002 , B01J35/04 , B01J37/0219 , B01J37/0244 , B01J37/0246 , B01J2229/37 , B05D1/18 , B05D3/0493 , B05D7/22 , Y02T10/22
Abstract: Provided herein are zoned catalysts that utilize components efficiently in that relatively short zones are provided to achieve specific functionalities to convert and/or trap one or more components in the exhaust stream. Highly controlled zoned are formed from one end of a monolithic carrier. The zones have a flat profile such that the zoned catalytic material within each passage of the substrate is at a substantially uniform distance from one end of the carrier. Methods of making and using the same are also provided.
Abstract translation: 本文提供了分区催化剂，其有效地利用组分，因为提供相对短的区域以实现转化和/或捕集排气流中的一种或多种组分的特定功能。 高度受控的分区由单片载体的一端形成。 这些区域具有平坦的轮廓，使得在基底的每个通道内的分区的催化材料距离载体的一端基本上均匀的距离。 还提供了制备和使用它们的方法。
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公开(公告)号：US11268420B2
公开(公告)日：2022-03-08
申请号：US16971236
申请日：2019-02-18
Applicant: BASF Corporation
Inventor： Kenneth E. Voss , Kevin A. Hallstrom , Sandip D. Shah , David M. Youngren , Andrew Thoms , M. Shahjahan Kazi , Robert Dorner
Abstract: A system for treatment of an exhaust gas stream from an engine is provided, containing an upstream selective catalytic reduction (SCR) catalyst, which receives the exhaust gas stream without any intervening catalyst, a diesel oxidation catalyst (DOC) positioned downstream thereof; a catalyzed soot filter (CSF) downstream of the diesel oxidation catalyst; a second SCR catalyst positioned downstream of the catalyzed soot filter; and an ammonia oxidation (AMOx) catalyst. The application also describes use of such systems to reduce nitrogen oxides (NOx) and hydrocarbons (HC) in an exhaust gas stream.
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Patent Agency Ranking
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：US20210079826A1
公开(公告)日：2021-03-18
申请号：US16971236
申请日：2019-02-18
Applicant: BASF Corporation
Inventor： Kenneth E. Voss , Kevin A. Hallstrom , Sandip D. Shah , David M. Youngren , Andrew Thoms , M. Shahjahan Kazi , Robert Dorner
Abstract: A system for treatment of an exhaust gas stream from an engine is provided, containing an upstream selective catalytic reduction (SCR) catalyst, which receives the exhaust gas stream without any intervening catalyst, a diesel oxidation catalyst (DOC) positioned downstream thereof; a catalyzed soot filter (CSF) downstream of the diesel oxidation catalyst; a second SCR catalyst positioned downstream of the catalyzed soot filter; and an ammonia oxidation (AMOx) catalyst. The application also describes use of such systems to reduce nitrogen oxides (NOx) and hydrocarbons (HC) in an exhaust gas stream.
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公开(公告)号：US10471413B2
公开(公告)日：2019-11-12
申请号：US15981160
申请日：2018-05-16
Applicant: BASF CORPORATION
Inventor： Jaya L. Mohanan , Gary A. Gramiccioni , John Hochmuth , Kenneth E. Voss
IPC: B01D53/94 , B01J23/10 , B01J21/06 , B01J21/04 , B01J29/76 , B01J35/00 , B01J37/04 , B01J37/02 , B01J37/08 , F01N3/20 , B01J35/02 , B01J35/04
Abstract: Described is a catalyst composition suitable for use as a selective catalytic reduction catalyst, including small-pore molecular sieve particles having a pore structure and a maximum ring size of eight tetrahedral atoms and impregnated with a promoter metal, and metal oxide particles dispersed within the small-pore molecular sieve particles and external to the pore structure of the small-pore molecular sieve particles, wherein the metal oxide particles include one or more oxides of a transition metal or lanthanide of Group 3 or Group 4 of the Periodic Table. A method for preparing the catalyst, 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：US20190170042A1
公开(公告)日：2019-06-06
申请号：US16323145
申请日：2017-08-04
Applicant: BASF Corporation
Inventor： Wen-Mei Xue , Jeff H. Yang , Stanley A. Roth , Kenneth E. Voss , Sandip D. Shah , Jaya L. Mohanan
Abstract: Certain selective catalytic reduction (SCR) articles, systems and methods provide for high NOx conversion while at the same time low N2O formation. The articles, systems and methods are suitable for instance for the treatment of exhaust gas of diesel engines. Certain articles have zoned coatings containing copper-containing molecular sieves disposed thereon, where for example a concentration of catalytic copper in an upstream zone is lower than the concentration of catalytic copper in a downstream zone.
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公开(公告)号：US20180272280A1
公开(公告)日：2018-09-27
申请号：US15995316
申请日：2018-06-01
Applicant: BASF Corporation
Inventor： Kenneth E. Voss , Kevin A. Hallstrom , Sanath V. Kumar , Susanne Stiebels , Marius Vaarkamp
CPC classification number: B01D53/9418 , B01D53/944 , B01D53/945 , B01D53/9477 , B01D53/9495 , B01D2251/2067 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/9155 , B01D2258/012 , F01N3/0231 , F01N3/0821 , F01N3/2066 , F01N2510/0682 , F01N2570/18 , F01N2610/02 , Y02T10/22 , Y02T10/24
Abstract: Zoned diesel oxidation catalysts containing a higher precious metal loading in the inlet zone that the outlet zone and an equal or shorter length inlet zone are described. Emission treatment systems and methods of remediating nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons using zoned diesel oxidation catalysts are also described.
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