公开(公告)号：US11813598B2

公开(公告)日：2023-11-14

申请号：US17593378

申请日：2020-03-19

Applicant: BASF Corporation

Inventor： Shiang Sung ,  Markus Koegel

IPC: B01J35/04 ,  B01J23/62 ,  B01J23/10 ,  B01J35/00 ,  B01J37/03 ,  B01J29/70 ,  B01J29/46 ,  B01J29/80 ,  B01J23/656 ,  B01D53/94 ,  F01N3/022 ,  F01N3/28 ,  F01N3/10 ,  F01N3/20

CPC classification number: B01J35/04 ,  B01D53/944 ,  B01D53/9472 ,  B01J23/10 ,  B01J23/626 ,  B01J23/6562 ,  B01J29/46 ,  B01J29/7015 ,  B01J29/80 ,  B01J35/0006 ,  B01J37/038 ,  F01N3/0222 ,  F01N3/103 ,  F01N3/2066 ,  F01N3/2803 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2042 ,  B01D2255/2065 ,  B01D2255/2094 ,  B01D2255/502 ,  B01D2255/908 ,  B01D2255/9022 ,  B01D2255/9155 ,  F01N2370/04 ,  F01N2610/02 ,  F01N2610/1453

Abstract: The present disclosure is directed to a low temperature carbon monoxide (LT-CO) oxidation catalyst composition for abatement of exhaust gas emissions from a lean burn engine. The LT-CO oxidation catalyst composition includes an oxygen storage component (OSC), a first platinum group metal (PGM) component, and a promoter metal, wherein the OSC is impregnated with the first PGM component and the promoter metal and the LT-CO oxidation catalyst composition is effective for oxidizing carbon monoxide (CO) and hydrocarbons (HC) under cold start conditions. Further provided are catalytic articles including the LT-CO oxidation catalyst composition, which may optionally further include a diesel oxidation catalyst (DOC) composition (giving an LT-CO/DOC article). Further provided is an exhaust gas treatment system including such catalytic articles, and methods for reducing a HC or CO level in an exhaust gas stream using such catalytic articles.

公开(公告)号：US20220127987A1

公开(公告)日：2022-04-28

申请号：US17569628

申请日：2022-01-06

Applicant: BASF CORPORATION

Inventor： Shiang Sung ,  Patrick William McCanty ,  Markus Koegel ,  Susanne Stiebels

IPC: F01N3/10 ,  B01J23/02 ,  B01J23/42 ,  B01J23/44 ,  B01J23/46 ,  B01J23/63 ,  B01J35/00 ,  B01J37/02 ,  F01N3/20

Abstract: An oxidation catalyst composite for abatement of exhaust gas emissions from a lean burn engine is provided, the catalyst composite including a carrier substrate having a length, an inlet end and an outlet end, and an oxidation catalyst material coated on the carrier substrate. The oxidation catalyst material can include a first layer and a second layer. The first layer can include a first oxygen storage component that includes ceria and is impregnated with a palladium (Pd) component and a second component including one or more of magnesium (Mg), rhodium (Rh), and platinum (Pt). The second layer can include a refractory metal oxide component impregnated with platinum (Pt) and palladium (Pd), wherein the ratio of Pt to Pd is in the range of about 0:10 to about 10:0.

公开(公告)号：US11125133B2

公开(公告)日：2021-09-21

申请号：US16500340

申请日：2018-04-03

Applicant: BASF CORPORATION

Inventor： Shiang Sung ,  Torsten Neubauer ,  Pushkaraj R. Patwardhan ,  Susanne Stiebels ,  Claudia Zabel

IPC: F01N3/08 ,  F01N3/10 ,  F01N3/20 ,  F01N3/28 ,  B01J21/04 ,  B01J23/58 ,  B01J23/656 ,  B01J29/76 ,  B01J35/00 ,  B01J35/04 ,  B01D53/94

Abstract: The invention provides an emission control system for treatment of an exhaust gas stream that includes an oxidation catalyst composition disposed on a substrate in fluid communication with the exhaust gas stream; at least one selective catalytic reduction (SCR) composition disposed on a substrate downstream from the oxidation catalyst composition, and a hydrogen injection article configured to introduce hydrogen into the exhaust gas stream upstream of the oxidation catalyst composition or downstream of the oxidation catalyst composition and upstream of the at least one SCR composition. The invention also provides a method of treating an exhaust gas stream, the method including receiving the exhaust gas stream into the emission control system of the invention and intermittently introducing hydrogen upstream of the oxidation catalyst article or downstream of the oxidation catalyst article and upstream stream of the SCR article.

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.

公开(公告)号：US10724411B2

公开(公告)日：2020-07-28

申请号：US16484874

申请日：2018-03-13

Applicant: BASF Corporation

Inventor： Karifala Dumbuya ,  Claudia Zabel ,  Shiang Sung

IPC: F01N3/10 ,  B01J23/00 ,  B01J35/00 ,  B01J35/02 ,  B01J35/04 ,  B01J37/00 ,  B01J37/02

Abstract: A diesel oxidation catalyst, containing a washcoat containing four layers, the washcoat being disposed on a substrate, wherein the washcoat contains: a first layer containing a first platinum group metal supported on a first metal oxide support material, wherein the first layer is disposed on the substrate; a second layer containing a second platinum group metal supported on a second metal oxide support material, and containing a fifth platinum group metal, wherein the second layer is disposed on the first layer; a third layer containing a third platinum group metal supported on a third metal oxide support material and containing a zeolitic material containing Fe and containing a sixth platinum group metal; and a fourth layer containing a fourth platinum group metal and a fourth metal oxide.

公开(公告)号：US20190331013A1

公开(公告)日：2019-10-31

申请号：US16310327

申请日：2017-06-13

Applicant: BASF Corporation

Inventor： Shiang Sung ,  Patrick William McCanty ,  Markus Koegel ,  Susanne Stiebels

IPC: F01N3/10 ,  B01J23/02 ,  B01J23/44 ,  B01J23/46 ,  B01J23/63 ,  B01J35/00 ,  B01J37/02 ,  B01J23/42 ,  F01N3/20

Abstract: An oxidation catalyst composite for abatement of exhaust gas emissions from a lean burn engine is provided, the catalyst composite including a carrier substrate having a length, an inlet end and an outlet end, and an oxidation catalyst material coated on the carrier substrate. The oxidation catalyst material can include a first layer and a second layer. The first layer can include a first oxygen storage component that includes ceria and is impregnated with a palladium (Pd) component and a second component including one or more of magnesium (Mg), rhodium (Rh), and platinum (Pt). The second layer can include a refractory metal oxide component impregnated with platinum (Pt) and palladium (Pd), wherein the ratio of Pt to Pd is in the range of about 0:10 to about 10:0.

公开(公告)号：US10335776B2

公开(公告)日：2019-07-02

申请号：US14107704

申请日：2013-12-16

Applicant: BASF Corporation

Inventor： Shiang Sung ,  Stanley A. Roth ,  Claudia Zabel ,  Susanne Stiebels ,  Andreas Sundermann ,  Olga Gerlach

IPC: B01D53/94 ,  B01J29/076 ,  B01J37/02 ,  B01J35/00 ,  B01J23/40 ,  B01J23/656

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 first washcoat layer comprising a Pt component and a Pd component, and a second washcoat layer including a refractory metal oxide support containing manganese, a zeolite, and a platinum component is described.

公开(公告)号：US09044734B2

公开(公告)日：2015-06-02

申请号：US13624524

申请日：2012-09-21

Applicant: BASF SE ,  BASF Corporation

Inventor： Gerd Grubert ,  Torsten Neubauer ,  Alfred Punke ,  Marcus Hilgendorff ,  Torsten Müller-Stach ,  Olga Gerlach ,  Xinyi Wei ,  Jeffrey Hoke ,  Shiang Sung ,  Stanley Roth

IPC: B01J23/63 ,  B01D53/94 ,  B01J29/04 ,  B01J37/02 ,  B01J29/70 ,  B01J35/04 ,  B01J35/02 ,  B01J37/00

CPC classification number: B01J29/04 ,  B01D53/944 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/9025 ,  B01D2258/012 ,  B01J23/63 ,  B01J29/7007 ,  B01J35/023 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0244 ,  B01J37/0246 ,  B01J2523/00 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/3718 ,  B01J2523/48 ,  B01J2523/49 ,  B01J2523/31 ,  B01J2523/824 ,  B01J2523/828

Abstract: The present invention relates to a layered diesel oxidation catalyst (DOC) comprising: a) a carrier substrate; b) a diesel oxidation catalytic material comprising b1) a first layer located on the carrier substrate, the first layer comprising palladium impregnated on a support material comprising ceria in an amount of at least 45 weight-% based on the total weight of the support material, and optionally comprising platinum; b2) a second layer located on the first layer, the second layer comprising palladium and platinum each impregnated on a support material comprising a metal oxide; wherein the platinum to palladium weight ratio of the first layer is lower than the platinum to palladium weight ratio of the second layer.

Abstract translation: 本发明涉及层状柴油氧化催化剂（DOC），其包括：a）载体基材; b）一种柴油氧化催化材料，其包含：b1）位于所述载体基底上的第一层，所述第一层包含浸渍在载体材料上的钯，所述载体材料包含基于载体材料总重量至少45重量％的二氧化铈 ，并且任选地包含铂; b2）位于所述第一层上的第二层，所述第二层包含钯和铂，各自浸渍在包含金属氧化物的载体材料上; 其中第一层的铂与钯的重量比低于第二层的铂与钯的重量比。

公开(公告)号：US11982218B2

公开(公告)日：2024-05-14

申请号：US17569628

申请日：2022-01-06

Applicant: BASF CORPORATION

Inventor： Shiang Sung ,  Patrick William McCanty ,  Markus Koegel ,  Susanne Stiebels

IPC: B01J23/02 ,  B01J23/42 ,  B01J23/44 ,  B01J23/46 ,  B01J23/63 ,  B01J35/00 ,  B01J37/02 ,  F01N3/10 ,  F01N3/20

CPC classification number: F01N3/103 ,  B01J23/02 ,  B01J23/42 ,  B01J23/44 ,  B01J23/464 ,  B01J23/63 ,  B01J35/19 ,  B01J37/0242 ,  B01J37/0244 ,  F01N3/2066 ,  F01N2330/34 ,  F01N2510/0684

Abstract: An oxidation catalyst composite for abatement of exhaust gas emissions from a lean burn engine is provided, the catalyst composite including a carrier substrate having a length, an inlet end and an outlet end, and an oxidation catalyst material coated on the carrier substrate. The oxidation catalyst material can include a first layer and a second layer. The first layer can include a first oxygen storage component that includes ceria and is impregnated with a palladium (Pd) component and a second component including one or more of magnesium (Mg), rhodium (Rh), and platinum (Pt). The second layer can include a refractory metal oxide component impregnated with platinum (Pt) and palladium (Pd), wherein the ratio of Pt to Pd is in the range of about 0:10 to about 10:0.

公开(公告)号：US20230372905A1

公开(公告)日：2023-11-23

申请号：US18031458

申请日：2021-10-15

Applicant: BASF Corporation

Inventor： M. Shahjahan Kazi ,  Shiang Sung ,  Claire Chunjuan Zhang ,  Xiaolai Zheng ,  Sandip D. Shah ,  Andrew Thoms

IPC: B01J23/42 ,  B01J21/04 ,  B01J23/44 ,  B01D53/92 ,  B01J35/10 ,  F01N3/20 ,  B01D53/94

CPC classification number: B01J23/42 ,  B01J21/04 ,  B01J23/44 ,  B01D53/925 ,  B01J35/1061 ,  B01J35/1019 ,  B01J35/1014 ,  F01N3/2066 ,  B01D53/945 ,  F01N2370/02 ,  F01N2330/06 ,  B01D2258/012 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2257/40 ,  B01D2257/502 ,  B01D2257/702

Abstract: The present disclosure relates to oxidation catalyst compositions for use in a close-coupled diesel oxidation catalyst (ccDOC) application, in which the ccDOC can function as a heat generator under high space velocity conditions. The oxidation catalyst compositions include a high surface area support material doped with at least one metal oxide, and a platinum group metal (PGM) supported on the doped high surface area support material.