公开(公告)号：US10260395B2

公开(公告)日：2019-04-16

申请号：US15738879

申请日：2016-06-30

Applicant: BASF Corporation

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

IPC: F01N3/20 ,  B01D53/94 ,  B01J35/00 ,  B01J37/00 ,  B01J37/02 ,  B01J37/08 ,  B01J23/00 ,  B01J23/63 ,  B01J23/66 ,  B01J23/89 ,  B01J23/44 ,  B01J23/46 ,  B01J35/10

Abstract: A nitrous oxide (N2O) removal catalyst composite is described, which includes: a N2O removal catalytic material on a carrier, wherein the catalytic material comprises a platinum group metal (PGM) component on a ceria-containing support having a single phase, cubic fluorite crystal structure. The catalytic material is effective to decompose nitrous oxide (N2O) to nitrogen (N2) and oxygen (O2) and/or to reduce N2O to N2 and water (H2O) and/or (CO2) under conditions of an exhaust stream of an internal combustion engine operating under conditions that are stoichiometric or lean with periodic rich transient excursions. Methods of making and using the same are also provided.

公开(公告)号：US20180111088A1

公开(公告)日：2018-04-26

申请号：US15562621

申请日：2016-03-30

Applicant: BASF Corporation

Inventor： Yuejin Li ,  Stanley A. Roth

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

CPC classification number: B01D53/9472 ,  B01D53/9418 ,  B01D53/944 ,  B01D53/9468 ,  B01D2046/2433 ,  B01D2046/2437 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/20723 ,  B01D2255/20738 ,  B01D2255/20746 ,  B01D2255/20753 ,  B01D2255/20761 ,  B01D2255/20769 ,  B01D2255/20776 ,  B01D2255/50 ,  B01D2255/9022 ,  B01D2255/9025 ,  B01D2255/9035 ,  B01D2255/9037 ,  B01D2255/9155 ,  B01D2258/012 ,  B01J23/42 ,  B01J23/63 ,  B01J29/763 ,  B01J35/0006 ,  B01J35/002 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1076 ,  B01J37/0215 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/0248 ,  F01N3/035 ,  F01N3/2066 ,  F01N2510/068 ,  Y02T10/24

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：US20180036716A1

公开(公告)日：2018-02-08

申请号：US15555233

申请日：2016-03-03

Applicant: BASF Corporation

Inventor： Xinyi Wei ,  Stanley A. Roth ,  Haiyang Zhu

IPC: B01J23/42 ,  B01J35/00 ,  B01J37/10 ,  B01J37/00 ,  B01J37/02 ,  B01J23/44 ,  B01J35/04

Abstract: Emissions treatment systems of combustion engines are provided, which comprise a platinum-containing catalyst that is degreened during production, which is before exposure to operating conditions of a vehicle having a diesel engine. The platinum-containing catalyst, in the form of a platinum component on a high surface area refractory metal oxide support, exhibits a vibration frequency of about 2085 to about 2105 cm−1 as measured by CO-DRIFTS. Such catalytic material is essentially-free of platinum oxide species found at greater than about 2110 cm−1 as measured by CO-DRIFTS. Such catalysts can provide excellent and consistent conversion of nitrogen oxide (NO) to nitrogen dioxide (NO2).

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。

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

IPC: B01J23/46 ,  B05D1/18 ,  B01J35/02 ,  B01D53/94 ,  B01J23/44 ,  B01J23/42

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。

公开(公告)号：US20150165422A1

公开(公告)日：2015-06-18

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: B01J29/076 ,  B01D53/94

CPC classification number: B01J29/076 ,  B01D53/9418 ,  B01D53/944 ,  B01D53/945 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2073 ,  B01D2255/20738 ,  B01D2255/20746 ,  B01D2255/20753 ,  B01D2255/50 ,  B01D2255/502 ,  B01D2255/504 ,  B01D2255/9022 ,  B01D2255/91 ,  B01D2255/912 ,  B01J23/40 ,  B01J23/6562 ,  B01J35/0006 ,  B01J37/0244 ,  B01J37/0246 ,  Y02T10/24

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.

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，描述了包括包含Pt组分和Pd组分的第一修补基面涂层和包含含有锰，沸石和铂组分的难熔金属氧化物载体的第二修补基面涂层的氧化催化剂复合物。

公开(公告)号：US08679434B1

公开(公告)日：2014-03-25

申请号：US13751864

申请日：2013-01-28

Applicant: BASF Corporation

Inventor： Yuejin Li ,  Stanley A. Roth

IPC: B01D53/94 ,  B01J23/42 ,  B01J23/44 ,  F01N3/28

CPC classification number: B01J37/0215 ,  B01D53/944 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/9202 ,  B01J23/42 ,  B01J23/44 ,  B01J35/006 ,  B01J35/04 ,  F01N3/035 ,  F01N3/103 ,  F01N3/2066 ,  F01N2510/06

Abstract: Described is a catalytic article for the treatment of lean burn engine exhaust gas. The catalytic article comprises a honeycomb substrate having disposed thereon a washcoat containing one or more calcined platinum group metal components dispersed on a refractory metal oxide support located on the honeycomb substrate, the platinum group metal components having an average crystallite size in the range of about 10 to about 25 nm to provide a stable ratio of NO2 to NOx when the exhaust gas flows through the honeycomb substrate. Methods of treating exhaust gas from a lean burn engine and a system for the removal of pollutants from a lean burn engine exhaust gas stream containing NOx are also described.

Abstract translation: 描述了一种用于处理贫燃发动机废气的催化制品。 所述催化剂制品包括蜂窝状基材，其上设置有包含分散在位于所述蜂窝状基材上的难熔金属氧化物载体上的一种或多种煅烧的铂族金属组分的修补基面涂层，所述铂族金属组分的平均微晶尺寸在约10 至约25nm，以便当废气流过蜂窝基材时提供稳定的NO 2与NO x的比例。 还描述了从贫燃发动机处理废气的方法和用于从含有NOx的贫燃发动机排气流中除去污染物的系统。

公开(公告)号：US11931729B2

公开(公告)日：2024-03-19

申请号：US17637094

申请日：2020-08-12

Applicant: BASF CORPORATION

Inventor： Jeff H. Yang ,  Stanley A. Roth ,  Robin M. Huff

IPC: B01J29/76 ,  B01D53/94 ,  B01J35/04 ,  B01J37/02 ,  B01J37/10 ,  B01J37/30 ,  F01N3/10 ,  F01N3/20 ,  F01N3/28 ,  F01N13/00

CPC classification number: B01J29/7615 ,  B01D53/9418 ,  B01J35/04 ,  B01J37/0225 ,  B01J37/10 ,  B01J37/30 ,  F01N3/106 ,  F01N3/2066 ,  F01N3/2803 ,  F01N13/009 ,  B01D2255/20715 ,  B01D2255/20738 ,  B01D2255/502 ,  B01D2255/9155 ,  B01J2229/186 ,  F01N2370/04

Abstract: The present disclosure provides a method of forming a selective catalytic reduction (SCR) catalyst, the method including receiving a first iron-promoted zeolite having a first iron content, and treating the iron-promoted zeolite with additional iron in an ion exchange step to form a second iron-promoted zeolite with a second iron content, the second iron content being higher than the first iron content. A selective catalytic reduction (SCR) catalyst composition including an ironpromoted zeolite having at least about 6 weight percent iron, based on total weight of the ironpromoted zeolite, wherein the iron content of the zeolite was added to the zeolite in at least two separate steps is also provided herein.

公开(公告)号：US20240060441A1

公开(公告)日：2024-02-22

申请号：US18032839

申请日：2021-10-22

Applicant: BASF CORPORATION

Inventor： Matthew T. Caudle ,  Stanley A. Roth

IPC: F01N3/28 ,  B01J23/80 ,  B01J23/83 ,  B01J35/02 ,  B01J35/00 ,  B01J35/10 ,  B01J35/04 ,  B01J23/89 ,  B01J37/02 ,  B01J23/42 ,  B01D53/94 ,  F01N3/10 ,  F01N3/20 ,  F01N3/035 ,  H05B6/10

CPC classification number: F01N3/2828 ,  B01J23/80 ,  B01J23/83 ,  B01J35/023 ,  B01J35/0033 ,  B01J35/1014 ,  B01J35/1009 ,  B01J35/04 ,  B01J23/8953 ,  B01J37/0201 ,  B01J23/42 ,  B01D53/9436 ,  F01N3/101 ,  F01N3/2026 ,  F01N3/106 ,  F01N3/035 ,  H05B6/108 ,  B01D2255/1021 ,  B01D2257/406 ,  B01D2258/012 ,  B01D2255/9155 ,  B01D2255/9207 ,  B01D2255/9202 ,  F01N2370/04 ,  F01N2510/068 ,  F01N2330/06

Abstract: The present disclosure provides a catalyst composition comprising a catalytically active platinum group metal (PGM) component disposed on or impregnated in a magnetic ferrite support material, wherein the magnetic ferrite support material is capable of inductive heating in response to an applied alternating electromagnetic field. Further provided are catalyst articles comprising such compositions, and components comprising such catalyst articles, and further comprising a conductor associated with the catalyst article for receiving current and generating an alternating electromagnetic field in response thereto, wherein the conductor is positioned such that the generated alternating electromagnetic field is applied to at least a portion of the catalyst composition, inductively heating the catalyst composition directly at the catalytic site. Also provided are exhaust gas treatment systems including such components and/or articles, and methods of treating emissions utilizing such components and systems.

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.