公开(公告)号：US20130089483A1

公开(公告)日：2013-04-11

申请号：US13645100

申请日：2012-10-04

Applicant: BASF SE

Inventor： Susanne Stiebels ,  Claudia Wendt ,  Torsten Neubauer ,  Svetlana Zimmermann

IPC: B01J29/04 ,  B01D53/94 ,  B01D53/56 ,  B01J29/88 ,  B01J29/80

CPC classification number: B01J29/04 ,  B01D53/565 ,  B01D53/9418 ,  B01D53/9477 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/502 ,  B01D2255/504 ,  B01D2258/012 ,  B01J29/46 ,  B01J29/7615 ,  B01J29/763 ,  B01J29/80 ,  B01J29/88 ,  B01J37/0244 ,  B01J37/0246

Abstract: The present invention relates to a catalyst, which may be used in selective catalytic reduction (SCR), said catalyst comprising one or more zeolites of the BEA structure type, one or more zeolites of the CHA structure type, and optionally one or more zeolites of the MFI structure type, wherein at least part of the one or more zeolites of the BEA structure type contain iron (Fe), wherein at least part of the one or more zeolites of the CHA structure type contain copper (Cu), and wherein at least part of the optional one or more zeolites of the MFI structure type contain iron (Fe). Furthermore, the present invention concerns an exhaust gas treatment system comprising said catalyst as well as a process for the treatment of a gas stream comprising NO using said catalyst as well.

Abstract translation: 本发明涉及可用于选择性催化还原（SCR）的催化剂，所述催化剂包含一种或多种BEA结构类型的沸石，一种或多种CHA结构型沸石，以及任选的一种或多种沸石 MFI结构类型，其中BEA结构类型的一种或多种沸石的至少一部分含有铁（Fe），其中CHA结构类型的一种或多种沸石的至少一部分含有铜（Cu），并且其中在 至少部分可选的一种或多种MFI结构型沸石含有铁（Fe）。 此外，本发明涉及包含所述催化剂的废气处理系统以及使用所述催化剂处理包含NO的气流的方法。

公开(公告)号：US10464052B2

公开(公告)日：2019-11-05

申请号：US14076663

申请日：2013-11-11

Applicant: BASF SE

Inventor： Marcus Hilgendorff ,  Alfred H. Punke ,  Torsten Neubauer ,  Gerd Grubert

IPC: B01J23/42 ,  B01J29/74 ,  B01D53/94 ,  B01J37/02 ,  B01J23/58 ,  B01J23/63 ,  B01J35/02 ,  B01J37/00 ,  B01J35/00

Abstract: Described is a process for the preparation of a catalyst. The process comprises (i) providing a substrate which is optionally coated with one or more coating layers; (ii) impregnating one or more particulate support materials with one or more platinum group elements; (iii) adding one or more alkaline earth elements and one or more solvents to the product obtained in step (ii) to obtain a slurry; (iv) adjusting the pH of the slurry obtained in step (iii) to a value ranging from 7 to 10 (v) adjusting the pH of the slurry to a value ranging from 2 to 6; (vi) optionally milling the slurry obtained in step (v); (vii) providing the slurry obtained in step (vi) onto the optionally coated substrate in one or more coating steps. Describes is as a catalyst which is obtainable according to said process and its use in the treatment of exhaust gas.

公开(公告)号：US20140047819A1

公开(公告)日：2014-02-20

申请号：US14046216

申请日：2013-10-04

Applicant: BASF SE

Inventor： Chung-Zong Wan ,  Xiaolai Zheng ,  Susanne Stiebels ,  Claudia Wendt ,  Torsten Neubauer ,  R. Samuel Boorse

IPC: F01N3/10

CPC classification number: B01D53/9431 ,  B01D53/58 ,  B01D53/92 ,  B01D53/9418 ,  B01D53/9422 ,  B01D53/9472 ,  B01D53/9477 ,  B01D2251/2062 ,  B01D2255/102 ,  B01D2255/2042 ,  B01D2255/2045 ,  B01D2255/206 ,  B01D2255/2063 ,  B01D2255/2066 ,  B01D2255/2068 ,  B01D2255/20753 ,  B01D2255/20761 ,  B01D2255/2092 ,  B01D2255/50 ,  B01D2255/9022 ,  B01D2255/91 ,  B01D2255/9155 ,  B01D2255/9205 ,  B01D2258/012 ,  F01N3/02 ,  F01N3/021 ,  F01N3/035 ,  F01N3/0807 ,  F01N3/0814 ,  F01N3/0821 ,  F01N3/0842 ,  F01N3/10 ,  F01N3/103 ,  F01N3/206 ,  F01N3/2066 ,  F01N3/2073 ,  F01N13/02 ,  F01N2510/063 ,  F01N2510/0682 ,  Y02T10/24

Abstract: Provided are emissions treatment systems for an exhaust stream having an ammonia-generating component, such as a NOx storage reduction (NSR) catalyst or a lean NOx trap (LNT) catalyst, and an SCR catalyst disposed downstream of the ammonia-generating catalyst. The SCR catalyst can be a molecular sieve having the CHA crystal structure, for example SSZ-13 or SAPO-34, which can be ion-exchanged with copper. The LNT can be layered, having an undercoat washcoat layer comprising a support material, at least one precious metal, and at least one NOx sorbent selected from the group consisting of alkaline earth elements, rare earth elements, and combinations thereof and a top washcoat layer comprising a support material, at least one precious metal, and ceria in particulate form, the top washcoat layer being substantially free of alkaline earth components. The emissions treatment system is advantageously used for the treatment of exhaust streams from diesel engines and lean burn gasoline engines.

Abstract translation: 提供了具有氨生成成分的排气流的排放处理系统，例如NOx储存还原（NSR）催化剂或稀NOx捕集器（LNT）催化剂，以及设置在产氨催化剂下游的SCR催化剂。 SCR催化剂可以是具有CHA晶体结构的分子筛，例如可与铜进行离子交换的SSZ-13或SAPO-34。 LNT可以是层状的，具有包含载体材料的底涂层涂层，至少一种贵金属和至少一种选自碱土金属元素，稀土元素及其组合的NO x吸附剂，以及顶部洗涂层 包括支撑材料，至少一种贵金属和颗粒形式的二氧化铈，所述顶部修补基面涂层基本上不含碱土金属组分。 排放物处理系统有利地用于处理来自柴油发动机和贫燃汽油发动机的废气流。

公开(公告)号：US20230398532A1

公开(公告)日：2023-12-14

申请号：US18033863

申请日：2021-10-28

Applicant: BASF Corporation

Inventor： Gerd Grubert ,  Arne Tobias Niggebaum ,  Sven Jare Lohmeier ,  Torsten Neubauer

IPC: B01J37/02 ,  B01J23/63 ,  B01J35/00 ,  F01N3/10 ,  B01D53/94 ,  B01J29/70 ,  B01J6/00 ,  B01J20/08 ,  B01J35/10

CPC classification number: B01J37/0244 ,  B01J23/63 ,  B01J35/0006 ,  F01N3/101 ,  B01D53/945 ,  B01D53/9481 ,  B01J29/70 ,  B01J6/001 ,  B01J20/08 ,  B01J35/1042 ,  F01N2510/0684 ,  B01J21/04

Abstract: The present invention relates to a catalyst, in particular to a three-way diesel catalyst, for the treatment of a diesel exhaust gas, the catalyst comprising a substrate and two specific coatings disposed thereon, wherein the first coating particularly comprises a first platinum group metal component supported on a first oxidic support material, a second platinum group metal component supported on a second oxidic support material, and a first oxygen storage component, wherein at least 30 weight-% of the first oxygen storage component consist of cerium oxide, calculated as CeOa, and wherein the second coating particularly comprises a third platinum group metal component and a fourth platinum group metal component, wherein the third platinum group metal component and the fourth platinum group metal component are supported on a third oxidic support material. Further, a process for the preparation of such a catalyst is disclosed as well as a use thereof.

公开(公告)号：US11199117B2

公开(公告)日：2021-12-14

申请号：US16591822

申请日：2019-10-03

Applicant: BASF CORPORATION

Inventor： Shiang Sung ,  Torsten Neubauer ,  Pushkaraj Patwardhan

IPC: F01N3/035 ,  F01N3/08 ,  F01N3/20 ,  F01N3/28 ,  F01N3/022 ,  F01N3/10 ,  B01D53/94 ,  B01D46/00 ,  B01D46/24 ,  B01J35/04 ,  B01J23/58 ,  B01J29/78 ,  B01J29/76 ,  B01J21/04 ,  B01J35/00 ,  B01J37/02 ,  B01J37/08

Abstract: The disclosure provides a monolithic wall-flow filter catalytic article including a substrate having an aspect ratio of from about 1 to about 20, and having a functional coating composition disposed on the substrate, the functional coating composition including a first sorbent composition, an oxidation catalyst composition, and optionally, a second sorbent composition. The monolithic wall-flow filter catalytic article may be in a close-coupled position close to the engine. The disclosure further provides an integrated exhaust gas treatment system including the monolithic wall-flow filter catalytic article and may additionally include a flow-through monolith catalytic article. The flow-through monolith catalytic article includes a substrate having a selective catalytic reduction (SCR) coating composition disposed thereon. The integrated exhaust gas treatment system simplifies the traditional four-article system into a two-article Catalyzed Soot Filter (CSF) plus Selective Catalytic Reduction (SCR) CSF+SCR arrangement.

公开(公告)号：US09662636B2

公开(公告)日：2017-05-30

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: B01D53/94 ,  B01J23/00 ,  B01J23/02 ,  B01J23/10 ,  B01J23/40 ,  B01J23/56 ,  B01J23/58 ,  B01J37/02 ,  B01J29/00 ,  B01J35/02 ,  B01J23/46 ,  B01J23/44 ,  B01J23/42 ,  B01J35/00 ,  B05D1/18 ,  B05D3/04 ,  B05D7/22 ,  B01J29/74 ,  B01J35/04

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.

公开(公告)号：US20210102486A1

公开(公告)日：2021-04-08

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

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：US10919025B2

公开(公告)日：2021-02-16

申请号：US16751841

申请日：2020-01-24

Applicant: BASF CORPORATION

Inventor： Yuejin Li ,  Shiang Sung ,  Stanley D. Roth ,  Torsten Neubauer ,  Susanne Stiebels

IPC: B01J23/46 ,  B01J23/42 ,  B01J23/44 ,  B01J23/52 ,  B01J23/50 ,  B01J23/34 ,  B01J23/745 ,  B01J23/72 ,  B01J23/14 ,  B01J23/75 ,  B01J23/755 ,  B01J23/89 ,  B01J23/10 ,  B01J21/04 ,  B01J21/08 ,  B01J35/10 ,  B01D53/94

Abstract: A nitrous oxide (N2O) removal catalyst composition for treating an exhaust stream of an internal combustion engine is provided, containing a platinum group metal (PGM) component on a metal oxide-based support, wherein the N2O removal catalyst composition is in a substantially reduced form, such that it has an oxygen deficiency of about 0.05 mmol oxygen atoms/g or greater, and wherein the N2O removal catalyst composition provides effective removal of at least a portion of N2O from the exhaust stream under lean conditions at a temperature of about 350° C. or lower. N2O removal catalytic articles, systems, and methods are also provided for removing at least a portion of N2O from an exhaust stream under lean, low temperature conditions.

公开(公告)号：US20200156046A1

公开(公告)日：2020-05-21

申请号：US16751841

申请日：2020-01-24

Applicant: BASF CORPORATION

Inventor： Li Yuejin ,  Shiang Sung ,  Roth Stanley ,  Torsten Neubauer ,  Susanne Stiebels

IPC: B01J23/46 ,  B01J23/42 ,  B01J23/44 ,  B01J23/52 ,  B01J23/50 ,  B01J23/34 ,  B01J23/745 ,  B01J23/72 ,  B01J23/14 ,  B01J23/75 ,  B01J23/755 ,  B01J23/89 ,  B01J23/10 ,  B01J21/04 ,  B01J21/08 ,  B01J35/10 ,  B01D53/94

Abstract: A nitrous oxide (N2O) removal catalyst composition for treating an exhaust stream of an internal combustion engine is provided, containing a platinum group metal (PGM) component on a metal oxide-based support, wherein the N2O removal catalyst composition is in a substantially reduced form, such that it has an oxygen deficiency of about 0.05 mmol oxygen atoms/g or greater, and wherein the N2O removal catalyst composition provides effective removal of at least a portion of N2O from the exhaust stream under lean conditions at a temperature of about 350° C. or lower. N2O removal catalytic articles, systems, and methods are also provided for removing at least a portion of N2O from an exhaust stream under lean, low temperature conditions.

公开(公告)号：US20220258141A1

公开(公告)日：2022-08-18

申请号：US17608184

申请日：2020-05-06

Applicant: BASF CORPORATION

Inventor： Yi Liu ,  Brian T. Jones ,  Donald H. Reeder ,  Eric George Klauber ,  Oliver Seel ,  Torsten Neubauer ,  Saeed Alerasool ,  James Dale Hoggard ,  John Robert White ,  Claudia Zabel

IPC: B01J29/76 ,  B01J37/00 ,  B01J37/04 ,  B01J35/02 ,  B01J35/10 ,  B01J37/03 ,  B01J37/08 ,  B01J37/30 ,  B01J35/04 ,  F01N3/20 ,  F01N3/28 ,  B01D53/94

Abstract: The present disclosure provides catalyst compositions capable of reducing nitrogen oxide (NOx) emissions in engine exhaust, catalyst articles coated with such compositions, and processes for preparing such catalyst compositions and articles. The catalyst compositions include metal ion-exchanged zeolites useful for selective catalytic reduction (SCR) of NOx. Further provided is an exhaust gas treatment system including such catalytic articles, and methods for reducing NOx in an exhaust gas stream using such catalytic articles.