公开(公告)号：US20170274321A1

公开(公告)日：2017-09-28

申请号：US15503903

申请日：2015-10-21

Applicant: BASF CORPORATION

Inventor： Xiaolai Zheng ,  Chunxin Ji ,  Wen-Mei Xue ,  Matthew J. Schladt ,  Xiaoming Wang ,  Tian Luo ,  Michel Deeba ,  Knut Wassermann

IPC: B01D53/94 ,  B01J29/70 ,  B01J29/76 ,  B01J23/56

CPC classification number: B01D53/945 ,  B01D53/9418 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2042 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/20761 ,  B01D2255/2092 ,  B01D2255/50 ,  B01D2255/502 ,  B01D2255/9022 ,  B01D2255/912 ,  B01D2255/9207 ,  B01J23/56 ,  B01J23/63 ,  B01J29/005 ,  B01J29/40 ,  B01J29/46 ,  B01J29/7007 ,  B01J29/76 ,  B01J29/7615 ,  B01J29/763 ,  B01J29/80 ,  B01J29/85 ,  B01J35/0006 ,  B01J37/0244 ,  B01J37/0246 ,  B01J2523/00 ,  Y02T10/24 ,  B01J2523/25 ,  B01J2523/31 ,  B01J2523/37 ,  B01J2523/3712 ,  B01J2523/48 ,  B01J2523/824 ,  B01J2523/822 ,  B01J2523/828

Abstract: An emissions treatment system for an exhaust stream of an internal combustion engine including hydrocarbons, carbon monoxide, and nitrogen oxides is provided. The disclosed system can include an exhaust conduit in fluid communication with the internal combustion engine via an exhaust manifold; a first three-way conversion catalyst (TWC-1) located downstream of the internal combustion engine in the exhaust conduit; an SCR-HCT catalyst comprising a selective catalytic reduction catalyst and a hydrocarbon trap downstream of the TWC-1 in the exhaust conduit; and a third catalyst downstream of the SCR-HCT combination in the exhaust conduit, the third catalyst comprising a platinum group metal (PGM) e.g., in an amount effective to oxidize hydrocarbons. Methods of making and using such systems and components thereof are also provided.

公开(公告)号：US20140369912A1

公开(公告)日：2014-12-18

申请号：US14300720

申请日：2014-06-10

Applicant: BASF Corporation

Inventor： Xiaolai Zheng ,  Knut Wassermann ,  Michel Deeba ,  Mirko Arnold ,  René Koenig

IPC: B01J23/63 ,  B01D53/94 ,  B01J23/10

CPC classification number: B01J23/63 ,  B01D53/945 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/9022 ,  B01D2255/908 ,  B01D2255/9207 ,  B01D2258/014 ,  B01J21/066 ,  B01J23/002 ,  B01J23/10 ,  B01J35/0013 ,  B01J35/04 ,  B01J35/1014 ,  B01J35/1019 ,  B01J37/0211 ,  B01J37/0244 ,  B01J37/038 ,  Y02A50/2324 ,  Y02T10/22

Abstract: Provided is a composite of mixed metal oxides comprising by weight of the composite: alumina in an amount in the range of 1 to 50%; ceria in an amount in the range of 1 to 50% zirconia in an amount in the range of 10 to 70%; and one or more oxides of Group II elements in an amount in the range of 1 to 10%; optionally, one or more oxides Group III elements in an amount in the range of 0 to 20% is present. The mixed metal oxides may be effective integrated supports for precious metals used in emissions catalysts where a single component is an integration of alumina, ceria, zirconia, Group III metal oxides (dopants, e.g., La2O3, Y2O3, Nd2O3, Pr6O11), Group II metal oxides (additives, e.g., BaO, SrO, CaO, MgO), and optionally other transition metal oxides.

Abstract translation: 本发明提供复合金属氧化物的复合材料，其中复合氧化物的重量含量为1〜50％范围的氧化铝; 氧化锆的量为1〜50％，氧化锆的量为10〜70％范围的二氧化铈; 和一种或多种量为1至10％的II族元素的氧化物; 任选地，存在量在0至20％范围内的一种或多种氧化物III族元素。 混合金属氧化物可以是用于排放催化剂中的贵金属的有效的一体化载体，其中单一成分是氧化铝，二氧化铈，氧化锆，III族金属氧化物（掺杂剂，例如La 2 O 3，Y 2 O 3，Nd 2 O 3，Pr 6 O 11），II族 金属氧化物（添加剂，例如BaO，SrO，CaO，MgO）和任选的其它过渡金属氧化物。

公开(公告)号：US11904299B2

公开(公告)日：2024-02-20

申请号：US17250187

申请日：2019-06-11

Applicant: BASF Corporation ,  Heesung Catalysts Corporation

Inventor： Xiaolai Zheng ,  Patrick L Burk ,  Jinwoo Song ,  Jun Lee

IPC: B01J23/46 ,  B01J21/04 ,  B01J23/44 ,  B01J21/06 ,  B01J23/04 ,  B01J35/00 ,  B01J35/02 ,  B01J35/04 ,  B01J35/10 ,  B01D53/94 ,  F01N3/18 ,  F01N3/28

CPC classification number: B01J23/464 ,  B01D53/945 ,  B01D53/9422 ,  B01D53/9468 ,  B01D53/9477 ,  B01J21/04 ,  B01J21/066 ,  B01J23/04 ,  B01J23/44 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1019 ,  F01N3/18 ,  F01N3/2803 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2042 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/2068 ,  B01D2255/2092 ,  B01D2255/20715 ,  B01D2255/908 ,  B01D2255/9022 ,  B01D2255/91 ,  B01D2255/9155

Abstract: This disclosure is directed to catalyst compositions, catalytic articles for purifying exhaust gas emissions and methods of making and using the same. In particular, the disclosure relates to a catalytic article including a catalytic material on a substrate, wherein the catalytic material has a first layer and a second layer. The first layer provides effective lean NOx trap functionality and the second layer provides effective three-way conversion of carbon monoxide, hydrocarbons, and nitrogen oxides (NOx).

公开(公告)号：US20230405568A1

公开(公告)日：2023-12-21

申请号：US18252243

申请日：2021-11-10

Applicant: BASF CORPORATION

Inventor： Zhi Yi Wu ,  Xin Zhu Liu ,  Xiaoshuang Yang ,  Shau-lin F. Chen ,  Gianluca Volante ,  Markus Kinne ,  Xiaolai Zheng

IPC: B01J35/00 ,  B01J23/63 ,  B01J23/00 ,  B01J21/04 ,  B01J35/04 ,  B01J37/00 ,  B01J37/02 ,  B01J37/08 ,  B01J23/10 ,  B01D53/94 ,  F01N3/28

CPC classification number: B01J35/0006 ,  F01N2510/068 ,  B01J23/002 ,  B01J21/04 ,  B01J35/04 ,  B01J37/0018 ,  B01J37/0036 ,  B01J37/0203 ,  B01J37/0228 ,  B01J37/0244 ,  B01J37/0225 ,  B01J37/0236 ,  B01J37/086 ,  B01J23/10 ,  B01D53/945 ,  B01D53/9472 ,  B01D53/9468 ,  F01N3/2828 ,  B01J2523/25 ,  B01J2523/31 ,  B01J2523/3712 ,  B01J2523/3706 ,  B01J2523/48 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/908 ,  B01D2255/9155 ,  B01D2258/01 ,  B01D2255/9032 ,  B01D2255/9022 ,  B01D2257/502 ,  B01D2257/404 ,  B01D2257/702 ,  F01N2370/04 ,  F01N2330/06 ,  B01J23/63

Abstract: The present invention relates to a zoned catalytic article, particularly useful for TWC, which comprises: a) a catalyst composition coat comprising a first zone of the catalyst composition coat, comprising a platinum group metal component consisting of a platinum component supported on a support; and a second zone of the catalyst composition coat, comprising a rhodium component and at least one of a platinum component and a palladium component supported individually or together on a support, and b) a substrate; wherein the first zone and the second zone of the catalyst composition coat are carried on a single piece of substrate or carried on respective pieces of substrate useful for treatment of exhaust gases and an exhaust treatment system comprising the zoned catalytic article. The present invention also relates to an exhaust treatment system comprising the zoned catalytic article.

公开(公告)号：US11801491B1

公开(公告)日：2023-10-31

申请号：US17725828

申请日：2022-04-21

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC ,  University of Central Florida Research Foundation, Inc. ,  BASF Corporation

Inventor： Yuntao Gu ,  Fudong Liu ,  Wei Li ,  Shaohua Xie ,  Yuejin Li ,  Xiaolai Zheng

IPC: B01J21/04 ,  B01J23/10 ,  B01J23/44 ,  B01J23/63 ,  B01J35/04 ,  B01J37/02 ,  F01N3/10 ,  B01J6/00

CPC classification number: B01J23/44 ,  B01J6/001 ,  B01J21/04 ,  B01J23/10 ,  B01J37/0201 ,  B01J37/0215 ,  B01J37/0236 ,  F01N3/101 ,  F01N2570/10 ,  F01N2570/12 ,  F01N2570/14

Abstract: A three-way catalyst for reduced palladium loading is provided. The catalyst includes an inert substrate and a palladium catalyst material coating the substrate. The palladium catalyst material includes a support material formed from one of 10% CeO2/Al2O3, 20% CeO2—Al2O3 (20CeAlOy), 30% CeO2—Al2O3 (30CeAlOy), Al2O3, and MOx-Al2O3, wherein M is one of copper, iron, manganese, titanium, zirconium, magnesium, strontium, and barium. The palladium catalyst material includes a layer of CeO2 material disposed upon the support material, wherein the layer of CeO2 material is dispersed on a surface of the support material. The palladium catalyst material includes an active component including a layer of praseodymium oxide particles dispersed across the surface of the layer of CeO2 material and a layer of palladium particles disposed upon and dispersed across the surface of the layer of CeO2 material at locations each corresponding to a respective location of each of the praseodymium particles.

公开(公告)号：US11713705B2

公开(公告)日：2023-08-01

申请号：US17483135

申请日：2021-09-23

Applicant: BASF Corporation

Inventor： Yuejin Li ,  Xiaolai Zheng ,  Stanley Roth ,  Olga Gerlach ,  Andreas Sundermann

IPC: B01J23/10 ,  B01J23/44 ,  B01J23/46 ,  B01J23/52 ,  B01J23/63 ,  B01J33/00 ,  B01J35/00 ,  B01J35/04 ,  B01J35/10 ,  B01J37/02 ,  B01J37/08 ,  F01N3/08 ,  F01N3/10 ,  F01N3/20 ,  F01N3/28 ,  B01D53/94 ,  B01J23/42 ,  B01J35/02

CPC classification number: F01N3/2066 ,  B01D53/9427 ,  B01J23/10 ,  B01J23/42 ,  B01J23/44 ,  B01J23/464 ,  B01J23/468 ,  B01J23/52 ,  B01J23/63 ,  B01J33/00 ,  B01J35/0006 ,  B01J35/04 ,  B01J35/1014 ,  B01J35/1019 ,  B01J35/1038 ,  B01J37/0201 ,  B01J37/0215 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/0248 ,  B01J37/08 ,  B01J37/082 ,  B01J37/088 ,  F01N3/0842 ,  F01N3/101 ,  F01N3/2839 ,  B01D53/945 ,  B01D53/9468 ,  B01D53/9472 ,  B01D2255/1025 ,  B01D2255/2065 ,  B01D2255/9022 ,  B01D2255/9032 ,  B01D2255/9155 ,  B01D2255/9205 ,  B01D2255/9207 ,  B01D2257/402 ,  B01J35/006 ,  B01J35/023 ,  B01J2523/00 ,  Y02C20/10 ,  Y02T10/12 ,  B01J2523/00 ,  B01J2523/36 ,  B01J2523/3712 ,  B01J2523/822 ,  B01J2523/00 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/822 ,  B01J2523/00 ,  B01J2523/3712 ,  B01J2523/3718 ,  B01J2523/822 ,  B01J2523/00 ,  B01J2523/3712 ,  B01J2523/3725 ,  B01J2523/822 ,  B01J2523/00 ,  B01J2523/3712 ,  B01J2523/3737 ,  B01J2523/822 ,  B01J2523/00 ,  B01J2523/3712 ,  B01J2523/375 ,  B01J2523/822

Abstract: A nitrous oxide (N2O) removal catalyst composite is provided, comprising a N2O removal catalytic material on a substrate, the catalytic material comprising a rhodium (Rh) component supported on a ceria-based support, wherein the catalyst composite has a H2-consumption peak of about 100° C. or less as measured by hydrogen temperature-programmed reduction (H2-TPR). Methods of making and using the same are also provided.

公开(公告)号：US20220010714A1

公开(公告)日：2022-01-13

申请号：US17483135

申请日：2021-09-23

Applicant: BASF Corporation

Inventor： Yuejin Li ,  Xiaolai Zheng ,  Stanley Roth ,  Olga Gerlach ,  Andreas Sundermann

IPC: F01N3/20 ,  B01J37/02 ,  B01J35/00 ,  B01J23/10 ,  B01D53/94 ,  B01J35/10 ,  B01J23/46 ,  B01J23/52 ,  B01J23/63 ,  B01J23/42 ,  B01J23/44 ,  B01J33/00 ,  B01J35/04 ,  B01J37/08 ,  F01N3/08 ,  F01N3/10 ,  F01N3/28

Abstract: A nitrous oxide (N2O) removal catalyst composite is provided, comprising a N2O removal catalytic material on a substrate, the catalytic material comprising a rhodium (Rh) component supported on a ceria-based support, wherein the catalyst composite has a H2-consumption peak of about 100° C. or less as measured by hydrogen temperature-programmed reduction (H2-TPR). Methods of making and using the same are also provided.

公开(公告)号：US11167273B2

公开(公告)日：2021-11-09

申请号：US16652875

申请日：2018-10-02

Applicant: BASF Corporation

Inventor： Xiaolai Zheng ,  Patrick Burk

IPC: B01J23/83 ,  B01J23/20 ,  B01J23/30 ,  B01J23/34 ,  B01J23/44 ,  B01J23/46 ,  B01J35/00 ,  B01J35/04 ,  F01N3/10 ,  F01N3/20 ,  F01N3/28

Abstract: The present disclosure provides SCR catalyst compositions, catalyst articles, and catalyst systems, as well as methods of reducing the amount of NOx present in an engine exhaust gas, particularly exhaust from a gasoline engine. The catalyst compositions particularly can comprise a doped ceria substrate, particularly a ceria support doped with at least a niobia component, and optionally further doped with a further material, particularly a base metal oxide (BMO).

公开(公告)号：US11149610B2

公开(公告)日：2021-10-19

申请号：US16838751

申请日：2020-04-02

Applicant: BASF Corporation

Inventor： Yuejin Li ,  Xiaolai Zheng ,  Stanley Roth ,  Olga Gerlach ,  Andreas Sundermann

IPC: B01J23/10 ,  B01J23/46 ,  B01J23/63 ,  B01J35/00 ,  B01J35/04 ,  B01J35/10 ,  B01J37/02 ,  B01J37/08 ,  F01N3/08 ,  F01N3/20 ,  B01D53/94 ,  B01J23/52 ,  B01J23/42 ,  B01J23/44 ,  B01J33/00 ,  F01N3/10 ,  F01N3/28 ,  B01J35/02

Abstract: A nitrous oxide (N2O) removal catalyst composite is provided, comprising a N2O removal catalytic material on a substrate, the catalytic material comprising a rhodium (Rh) component supported on a ceria-based support, wherein the catalyst composite has a H2-consumption peak of about 100° C. or less as measured by hydrogen temperature-programmed reduction (H2-TPR). Methods of making and using the same are also provided.

公开(公告)号：US10857521B2

公开(公告)日：2020-12-08

申请号：US15548657

申请日：2016-02-08

Applicant: BASF Corporation

Inventor： Shiang Sung ,  Patrick William McCanty ,  Stanley A. Roth ,  Xiaolai Zheng ,  Olga Gerlach ,  Markus Kögel

IPC: B01D53/94 ,  B01J23/656 ,  B01J37/02 ,  B01J37/20 ,  B01J23/63 ,  B01J35/04 ,  B01J29/18 ,  B01J29/74 ,  B01J29/44 ,  B01J29/69 ,  B01J29/068 ,  B01J29/40 ,  B01J29/70 ,  B01J29/08 ,  B01J29/06 ,  B01J29/076 ,  B01J29/26 ,  B01J29/67 ,  B01J29/22 ,  B01J37/10 ,  B01J29/16 ,  B01J29/12 ,  B01J29/48 ,  B01J29/78 ,  B01J23/00 ,  B01J29/65 ,  B01J35/00 ,  B01J37/08 ,  F01N3/10 ,  F01N3/20

Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, described is an oxidation catalyst composite including a first oxidation component comprising a first refractory metal oxide support, palladium (Pd) and platinum (Pt); a NOx storage component comprising one or more of alumina, silica, titania, ceria, or manganese; and a second oxidation component comprising a second refractory metal oxide, a zeolite, and Pt. The oxidation catalyst composite is sulfur tolerant, adsorbs NOx and thermally releases the stored NOx at temperature less than 350° C.