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：US20190383184A1

公开(公告)日：2019-12-19

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, comprising a washcoat comprising four layers, the washcoat being disposed on a substrate, wherein the washcoat comprises a first layer comprising a first platinum group metal supported on a first metal oxide support material, which first layer is disposed on the substrate; a second layer comprising a second platinum group metal supported on a second metal oxide support material, and comprising a fifth platinum group metal, which second layer is disposed on the first layer; a third layer comprising a third platinum group metal supported on a third metal oxide support material and comprising a zeolitic material comprising Fe and comprising a sixth platinum group metal; and a fourth layer comprising a fourth platinum group metal and a fourth metal oxide; wherein the substrate has a length, a front end and a rear end; wherein the first layer is disposed on the substrate on the entire length of the substrate, wherein the second layer is disposed on the first layer on the entire length of the substrate; wherein the third layer is at least partially disposed on the second layer on x % of the length of the substrate from the front end of the substrate; wherein the fourth layer is at least partially disposed on the second layer on y % of the length of the substrate from the rear end of the substrate; wherein x is in the range of from 30 to 70, y is in the range of from 30 to 70 and x+y is in the range of from 95 to 115.

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：US20210379530A1

公开(公告)日：2021-12-09

申请号：US17309016

申请日：2019-10-30

Applicant: BASF CORPORATION

Inventor： Matthias PETER ,  Susanne STIEBELS ,  Karifala DUMBUYA ,  Claudia ZABEL

IPC: B01D53/94 ,  F01N3/10 ,  F01N3/20 ,  F01N3/021 ,  F01N3/28 ,  B01J29/76 ,  B01J21/06 ,  B01J37/04 ,  B01J37/08 ,  B01J35/10 ,  B01J35/02 ,  B01J37/02 ,  B01J21/12 ,  B01J35/00 ,  B01J35/04 ,  B01J21/18

Abstract: A selective catalytic reduction catalyst for the treatment of an exhaust gas stream of a passive ignition engine, the catalyst comprising a porous wall-flow filter substrate comprising an inlet end, an outlet end, a substrate axial length (w) extending between the inlet end and the outlet end, and a plurality of passages defined by porous internal walls of the porous wall flow filter substrate; wherein the catalyst further comprises a first coating, said first coating extending over x % of the substrate axial length from the inlet end toward the outlet end of the substrate, x being in the range of from 10 to 100, wherein the first coating comprises copper and an 8-membered ring pore zeolitic material; wherein the catalyst further comprises a second coating, the second coating extending over y % of the substrate axial length from the outlet end toward the inlet end of the substrate, y being in the range of from 20 to 90, wherein the second coating comprises copper, and optionally an 8-membered ring pore zeolitic material; wherein the catalyst optionally further comprises a third coating; wherein x+y is at least 90; wherein y % of w from the outlet end toward the inlet end of the substrate define the outlet zone of the coated substrate and (100−y) % of w from the inlet end toward the outlet end of the substrate define the inlet zone of the coated substrate; wherein the ratio of the loading of copper in the inlet zone, Cu(in), calculated as CuO, relative to the loading of copper in the outlet zone, Cu(out), calculated as CuO, Cu(in):Cu(out), is less than 1:1.