公开(公告)号：US20220154611A1

公开(公告)日：2022-05-19

申请号：US17594005

申请日：2020-04-15

Applicant: BASF Corporation

Inventor： Matthias PETER ,  Susanne STIEBELS ,  Andreas ZEEB ,  Claudia ZABEL ,  Maria HEENEMANN

IPC: F01N3/035 ,  F01N3/022 ,  F01N3/20 ,  F01N3/28 ,  B01J35/10 ,  B01J37/02 ,  B01J29/72

Abstract: The present invention relates to a selective catalytic reduction catalyst comprising a porous wall-flow filter substrate; wherein in the pores of the porous internal walls and on the surface of the porous internal walls, the catalyst comprises a selective catalytic reduction coating comprising a selective catalytic reduction component comprising a zeolitic material comprising one or more of copper and iron. The present invention further relates to a process for preparing a selective catalytic reduction catalyst using particles of a carbon-containing additive and an aqueous mixture comprising said particles of a carbon-containing additive.

公开(公告)号：US20230173473A1

公开(公告)日：2023-06-08

申请号：US17996953

申请日：2021-04-28

Applicant: BASF CORPORATION

Inventor： Matthias PETER ,  Bjoern NEUMANN ,  Claudia ZABEL ,  Maria HEENEMANN

IPC: B01J29/76 ,  B01D53/94 ,  B01D46/00 ,  B01J21/04 ,  B01J23/10 ,  B01J23/20 ,  B01J35/04 ,  B01J35/10 ,  B01J37/04 ,  B01J37/02 ,  B01J37/08

CPC classification number: B01J29/763 ,  B01D53/9418 ,  B01D53/9477 ,  B01D46/0027 ,  B01J21/04 ,  B01J23/10 ,  B01J23/20 ,  B01J35/04 ,  B01J35/1019 ,  B01J37/04 ,  B01J37/0228 ,  B01J37/08 ,  B01J37/0236 ,  B01J37/0244 ,  B01D2255/2092 ,  B01D2255/2065 ,  B01D2255/50 ,  B01D2255/20761 ,  B01D2255/20738 ,  B01D2255/9207 ,  B01D2255/20715 ,  B01D2255/407 ,  B01D2255/9155 ,  B01D2255/30 ,  B01D2255/2063 ,  B01D2279/30

Abstract: The present invention relates to a selective catalytic reduction catalyst for the treatment of an exhaust gas of a combustion engine, the catalyst comprising 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; a coating disposed on the substrate (i), the coating comprising a first non-zeolitic oxidic material comprising aluminum, an 8-membered ring pore zeolitic material comprising one or more of copper and iron, and a second non-zeolitic oxidic material comprising cerium and one or more of zirconium, aluminum, silicon, lanthanum, niobium, iron, manganese, titanium, tungsten, copper, molybdenum, neodymium, cobalt, chromium, tin and praseodymium; wherein at least 65 weight-% of the coating consist of the 8-membered ring pore zeolitic material comprising one or more of copper and iron.

公开(公告)号：US20230191376A1

公开(公告)日：2023-06-22

申请号：US17996978

申请日：2021-04-27

Applicant: BASF CORPORATION ,  HEESUNG CATALYSTS CORPORATION

Inventor： Matthias PETER ,  Claudia ZABEL ,  Maria HEENEMANN ,  Wen-Mei XUE ,  Eunseok KIM ,  Narayana K RAO ,  David POLLICK

IPC: B01J29/56 ,  B01J37/02 ,  B01J21/04 ,  B01D53/94 ,  F01N3/20

CPC classification number: B01J29/56 ,  B01D53/94 ,  B01J21/04 ,  B01J37/0225 ,  F01N3/2073

Abstract: The present invention relates to a composition comprising a non-zeolitic oxidic material comprising alumina; an 8-membered ring pore zeolitic material comprising one or more of copper and iron, wherein the framework structure of the zeolitic material comprises a tetravalent element Y, a trivalent element X and oxygen, wherein the molar ratio of Y:X, calculated as YO2X2O3, is in the range of from 2: 1 to 40: 1; wherein at least part of the outer surface of the zeolitic material is covered by a layer comprising the non-zeolitic oxidic material; wherein Y comprises one or more of Si, Sn, Ti, Zr and Ge and X comprises one or more of Al, B, In and Ga.

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).