公开(公告)号：US11486288B2

公开(公告)日：2022-11-01

申请号：US16869622

申请日：2020-05-08

Applicant: BASF Corporation

Inventor： Kevin Hallstrom ,  David Youngren ,  Yuejin Li

IPC: F01N3/28 ,  B01D53/94 ,  B01J23/89 ,  B01J29/76 ,  B01J35/04 ,  B01J37/02 ,  F01N3/035 ,  F01N3/08 ,  F01N3/20

Abstract: The present disclosure is directed to a system for treating an exhaust gas stream from an engine, which includes a diesel oxidation catalyst (DOC) located downstream of the engine and adapted for oxidation of hydrocarbons and carbon monoxide, an injector adapted for the addition of a reductant to the exhaust gas stream located downstream of the DOC, a catalyzed soot filter (CSF) located downstream of the injector, and a selective catalytic reduction component adapted for the oxidation of nitrogen oxides located downstream of the CSF. The CSF is adapted for oxidizing hydrocarbons and includes a selective oxidation catalyst composition on a filter with high selectivity ratio for hydrocarbon oxidation:ammonia oxidation (e.g., at least 0.6).

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：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：US20200232366A1

公开(公告)日：2020-07-23

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

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：US10215073B2

公开(公告)日：2019-02-26

申请号：US15574910

申请日：2016-05-18

Applicant: BASF Corporation

Inventor： Alfred Punke ,  Gerd Grubert ,  Marcus Hilgendorff ,  Torsten Neubauer ,  Matthew Caudle ,  Yuejin Li

IPC: F01N3/28 ,  B01D53/94 ,  B01J23/44 ,  B01J23/42 ,  B01J37/02 ,  B01J29/76 ,  B01J29/78 ,  B01J35/04 ,  B01J37/04 ,  B01J37/08 ,  B01J35/00 ,  F01N3/20 ,  F01N3/035 ,  F01N13/00

Abstract: The present invention relates to catalyzed soot filter comprising a porous wall flow substrate, a catalyst for selective catalytic reduction (SCR), a palladium component, and a platinum component, the wall flow substrate comprising an inlet end, an outlet end, a substrate axial length extending between the inlet end and the outlet end, and a plurality of channels defined by internal walls of the wall flow substrate, wherein the plurality of channels comprise inlet channels having an open inlet end and a closed outlet end, and outlet channels having a closed inlet end and an open outlet end, and the SCR catalyst is provided on the entire surface of the inlet channel walls and on at least a portion of the surface of the pores within the channel walls underneath the surface of the channel walls coated with the SCR catalyst.

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.

公开(公告)号：US20240207826A1

公开(公告)日：2024-06-27

申请号：US18555105

申请日：2022-04-15

Applicant: BASF Corporation ,  The Board of Trustees of the Leland Stanford Junior University

Inventor： Matteo Cargenllo ,  An-Chih Yang ,  Nadia Tahsini ,  Yuejin Li

IPC: B01J23/89 ,  B01D53/94 ,  B01J21/04 ,  B01J23/656 ,  B01J35/45 ,  B01J37/02 ,  F01N3/28

CPC classification number: B01J23/8926 ,  B01D53/94 ,  B01J21/04 ,  B01J23/6562 ,  B01J23/8913 ,  B01J23/892 ,  B01J35/45 ,  B01J37/0211 ,  F01N3/2803 ,  B01D2255/1021 ,  B01D2255/2073 ,  B01D2255/20746 ,  B01D2255/20753 ,  B01D2255/20761 ,  B01D2255/9202 ,  B01D2257/404 ,  B01D2257/502 ,  B01D2257/702 ,  B01D2258/01 ,  F01N2370/02

Abstract: Nanoparticles comprising a platinum group metal and a base metal, catalytic compositions comprising such nanoparticles and a support material, and methods of making such nanoparticles and catalytic compositions are disclosed. Catalytic articles and exhaust gas treatment systems, as well as methods of treating an exhaust gas stream comprising a pollutant using these catalytic articles and exhaust gas treatment systems, are also disclosed.

公开(公告)号：US20230340898A1

公开(公告)日：2023-10-26

申请号：US18215855

申请日：2023-06-29

Applicant: BASF Corporation

Inventor： Yuejin Li

IPC: F01N3/035 ,  B01D53/94 ,  F01N3/08 ,  F01N3/021 ,  B01D53/90 ,  F01N3/20 ,  F01N13/00 ,  F01N3/10

CPC classification number: F01N3/035 ,  B01D53/9422 ,  F01N3/0814 ,  F01N3/0842 ,  B01D53/94 ,  F01N3/021 ,  B01D53/9477 ,  B01D53/90 ,  F01N3/2066 ,  F01N13/009 ,  B01D53/9418 ,  F01N3/106 ,  F01N3/206 ,  B01D53/9427 ,  B01D2258/012 ,  F01N2370/00 ,  B01D2251/202 ,  B01D2255/1021 ,  B01D2255/50 ,  B01D53/9436 ,  B01D2255/1023 ,  F01N2510/06 ,  F01N2610/04 ,  B01D2255/20761 ,  B01D2255/20738 ,  B01D2255/9205 ,  B01D2255/9207 ,  Y02A50/20 ,  Y02T10/12 ,  B01D2255/102

Abstract: Disclosed herein are emission treatment systems, articles, and methods for selectively reducing NOx compounds. The systems include a hydrogen generator, a hydrogen selective catalytic reduction (H2-SCR) article, and one or more of a diesel oxidation catalyst (DOC) and/or a lean NOx trap (LNT) and/or a low temperature NOx adsorber (LTNA). Certain articles may comprise a zone coated substrate and/or a layered coated substrate and/or an intermingled coated substrate of one or more of the H2-SCR and/or DOC and/or LNT and/or LTNA catalytic compositions.

公开(公告)号：US11117098B2

公开(公告)日：2021-09-14

申请号：US15562645

申请日：2016-03-30

Applicant: BASF Corporation

Inventor： Yuejin Li ,  Stanley A. Roth

IPC: B01D53/94 ,  B01J23/42 ,  B01J29/76 ,  B01J35/00 ,  B01J35/04 ,  B01J35/10 ,  B01J37/02 ,  B01D46/24 ,  F01N3/035 ,  F01N3/20

Abstract: Provided are multi-zone catalyst articles, methods of manufacturing multi-zone catalyst articles, and methods for controlling emissions in diesel engine exhaust streams with multi-zone catalyst articles, where the emission treatment system of various embodiments effectively treats diesel engine exhaust with a single multi-zone catalyst article.

公开(公告)号：US10961890B2

公开(公告)日：2021-03-30

申请号：US16590715

申请日：2019-10-02

Applicant: BASF CORPORATION

Inventor： Shiang Sung ,  Michael Locascio ,  Yuejin Li

IPC: F01N3/20 ,  B01D53/90 ,  B01D71/02

Abstract: An on-board vehicle reservoir containing an ammonia/organic solvent solution may be associated with a phase separator configured to isolate ammonia from the solution. The ammonia may be introduced into an exhaust gas stream of an internal combustion engine to function as a catalytic reductant. Ammonia may be employed to generate hydrogen via catalytic decomposition of ammonia, and the hydrogen may be introduced into an exhaust gas stream to aid catalytic reactions such as catalytic oxidation of carbon monoxide (CO) and/or hydrocarbon (HC) and/or reduction of nitrogen oxides (NO); for instance during a cold-start period.