公开(公告)号：US20220143579A1

公开(公告)日：2022-05-12

申请号：US17594311

申请日：2020-04-08

Applicant: BASF Corporation

Inventor： Yu Fen HAO ,  Yuejin LI ,  Stanley A. ROTH ,  Jan Martin BECKER ,  Stefan MAURER

IPC: B01J23/42 ,  B01J21/06 ,  B01J35/10 ,  B01J29/70 ,  F01N3/20

Abstract: The invention relates to a selective ammonia oxidation catalysts comprising a platinum group metal and a support comprising TiO2 doped with 0-10% by weight of SiO2, WO3, ZrO2, Y2O3, La2O3, or a mixture thereof. The invention further comprises methods for the manufacture of the selective ammonia oxidation catalysts, and integrated catalyst systems comprising the selective ammonia oxidation catalysts for treating an exhaust gas stream.

公开(公告)号：US20220410133A1

公开(公告)日：2022-12-29

申请号：US17754951

申请日：2020-10-19

Applicant: BASF Corporation

Inventor： Xinyi WEI ,  Evan Vincent MIU ,  Xiaoming XU ,  Jia-Cheng LIU ,  Stefan MAURER

IPC: B01J29/67 ,  B01J29/74 ,  B01J29/80 ,  B01J23/42 ,  B01J21/08 ,  B01J35/00 ,  B01J35/04 ,  B01D53/94 ,  F01N3/28

Abstract: The present disclosure provides Low Temperature NOx-Absorber (LT-NA) catalyst compositions, catalyst articles, and an emission treatment system for treating an exhaust gas, each including the LT-NA catalyst compositions. Further provided are methods for reducing a NOx level in an exhaust gas stream using the LT-NA catalyst articles. In particular, the LT-NA catalyst compositions include a first zeolite, a first palladium component, and a plurality of platinum nanoparticles. The LT-NA catalyst compositions exhibit enhanced regeneration efficiency with respect to NOx adsorption capacity, even after hydrothermal aging.

公开(公告)号：US20220032277A1

公开(公告)日：2022-02-03

申请号：US17309015

申请日：2019-10-30

Applicant: BASF Corporation

Inventor： Matthias PETER ,  Karifala DUMBUYA ,  Miriam SCHUBERT ,  Ahmad MOINI ,  Yu DAI ,  Stefan MAURER ,  Haiyang ZHU ,  Yi LIU ,  Wen-Mei XUE ,  Ming-Ming WEI ,  Maria HEENEMANN

IPC: B01J29/76 ,  B01J37/04 ,  B01J37/08 ,  B01J37/02 ,  B01D53/94

Abstract: A process for preparing a catalyst comprising a zeolitic material comprising copper, the process comprising (i) preparing an aqueous mixture comprising water, a zeolitic material comprising copper, a source of copper other than the zeolitic material comprising copper, and a non-zeolitic oxidic material selected from the group consisting of alumina, silica, titania, zirconia, ceria, a mixed oxide comprising one or more of Al, Si, Ti, Zr, and Ce and a mixture of two or more thereof; (ii) disposing the mixture obtained in (i) on the surface of the internal walls of a substrate comprising an inlet end, an outlet end, a substrate axial length extending from the inlet end to the outlet end and a plurality of passages defined by internal walls of the substrate extending therethrough; and optionally drying the substrate comprising the mixture disposed thereon; (iii) calcining the substrate obtained in (ii).

公开(公告)号：US20210213434A1

公开(公告)日：2021-07-15

申请号：US17250103

申请日：2019-05-29

Applicant: BASF Corporation

Inventor： Jia Cheng LIU ,  Evan Vincent MIU ,  Xiaoming XU ,  Xinyi WEI ,  Stefan MAURER

IPC: B01J29/74 ,  B01J35/00 ,  B01J29/67 ,  B01J35/04 ,  B01J37/00 ,  B01J37/03 ,  B01J35/02 ,  B01J35/10 ,  F01N3/28 ,  B01D53/94

Abstract: The present disclosure is directed to a Low Temperature NOx-Absorber (LT-NA) catalyst composition which exhibits NOx adsorption in a broad temperature and space velocity range, and shifts NOx desorption to a desired temperature range. In particular, the LT-NA composition includes a large pore zeolite containing a palladium component and a small or medium pore zeolite containing a palladium component. Further provided is a catalyst article including the LT-NA catalyst composition, an emission treatment system for treating an exhaust gas including the catalyst article, and methods for reducing a NOx level in an exhaust gas stream using the catalyst article.

公开(公告)号：US20190134564A1

公开(公告)日：2019-05-09

申请号：US16304511

申请日：2017-06-02

Applicant: BASF Corporation

Inventor： Mathias FEYEN ,  Ulrich MUELLER ,  Faruk OEZKIRIM ,  Stefan DUMSER ,  Natalia TRUKHAN ,  Michaela MALTRY ,  Stefan MAURER

IPC: B01D53/94 ,  B01D53/56 ,  B01J29/76 ,  B01J37/30

Abstract: A catalyst for the selective catalytic reduction of NOx comprises a zeolitic material which comprises (A) one or more zeolites having a GME framework structure containing YO2 and X2O3, and optionally further comprises one or more zeolites having a CHA framework structure containing YO2 and X2O3, and/or comprises, (B) one or more zeolite intergrowth phases of one or more zeolites having a GME framework structure containing YO2 and X2O3 and one or more zeolites having a CHA framework structure containing YO2 and X2O3, wherein Y is a tetravalent element, and X is a trivalent element, and the zeolitic material contains Cu and/or Fe as non-framework elements in an amount ranging from 0.1 to 15 wt. % calculated as the element and based on 100 wt. % of YO contained in the zeolitic material. Also provided are a process for its preparation, and a use in a method for the selective catalytic reduction of NOx.

公开(公告)号：US20250058310A1

公开(公告)日：2025-02-20

申请号：US18723025

申请日：2022-11-10

Applicant: BASF CORPORATION

Inventor： Aleksei VJUNOV ,  Yipeng SUN ,  Kai SCHMITZ ,  Xue LIU ,  Pascaline TRAN ,  Gary A YACOBIAN ,  Amit A GOKHALE ,  Stefan MAURER

IPC: B01J37/02 ,  B01J23/40 ,  B05B1/30

Abstract: Apparatuses and methods for depositing platinum-group metals (PGM) on substrates in a production line. The apparatus may include: at least one movement mechanism configured to move a plurality of substrates through a deposition region of the production line; at least one alignment mechanism configured to align a plurality of deposition units with a portion of the plurality of substrates in the deposition region; and at least one control unit configured to control a flow rate of the PGM through at least one supply line to the aligned plurality of deposition units to deposit the PGM on deposition surfaces of the aligned portion of the plurality of substrates.

公开(公告)号：US20210387145A1

公开(公告)日：2021-12-16

申请号：US17309151

申请日：2019-10-24

Applicant: BASF Corporation

Inventor： Stefan MAURER ,  Jia Di ZHANG ,  Yu DAI ,  Yu Fen HAO ,  Ming Ming WEI ,  Teng SHEN

IPC: B01D53/94 ,  B01J29/76 ,  B01J35/04 ,  B01J35/00 ,  B01J37/02 ,  B01J35/10 ,  B01J23/40 ,  F01N3/10 ,  F01N3/28 ,  F01N3/20

Abstract: The present invention relates generally to the field of exhaust treatment systems for purifying exhaust gas discharged from a lean burn engine. The exhaust treatment system comprises a Diesel Oxidation Catalyst (DOC), a Catalyzed Soot Filter (CSF), a reductant injector, an AEI zeolite based Selective Catalyzed Reduction (SCR) catalyst and an Ammonia Oxidation Catalyst (AMOX) downstream to the AEI zeolite based SCR catalyst.

公开(公告)号：US20170275076A1

公开(公告)日：2017-09-28

申请号：US15508725

申请日：2015-09-04

Applicant: BASF Corporation

Inventor： Todd EDGINGTON ,  Abhijit NATU ,  Lena ARNOLD ,  Nicholas R. LECLERC ,  Stefan MAURER ,  Stefan MARX

IPC: B65D81/24 ,  A23B7/157 ,  B65D85/34

CPC classification number: B65D81/24 ,  A23B7/14 ,  A23B7/157 ,  A23L19/03 ,  B65D85/34 ,  B65D85/505 ,  B65D85/52

Abstract: Disclosed in certain embodiments are systems and methods for prolonging the shelf life of produce. The following presents a simplified summary of various aspects of the present disclosure in order to provide a basic understanding of such aspects. This summary is not an extensive overview of the disclosure. It is intended to neither identify key or critical elements of the disclosure, nor delineate any scope of the particular embodiments of the disclosure or any scope of the claims. Its sole purpose is to present some concepts of the disclosure in a simplified form as a prelude to the more detailed description that is presented later.