公开(公告)号：US12071881B2

公开(公告)日：2024-08-27

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: B01J29/72 ,  B01J35/61 ,  B01J35/64 ,  B01J37/02 ,  F01N3/022 ,  F01N3/035 ,  F01N3/20 ,  F01N3/28

CPC classification number: F01N3/035 ,  B01J29/723 ,  B01J35/612 ,  B01J35/613 ,  B01J35/657 ,  B01J37/0215 ,  F01N3/022 ,  F01N3/2066 ,  F01N3/2803 ,  F01N2250/02 ,  F01N2260/14 ,  F01N2370/04 ,  F01N2510/063 ,  F01N2510/068

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：US11549417B2

公开(公告)日：2023-01-10

申请号：US17045332

申请日：2019-04-23

Applicant: BASF Corporation

Inventor： Marcus Hilgendorff ,  Karifala Dumbuya ,  Matthias Peter ,  Andreas Sundermann

IPC: F01N3/20 ,  B01J6/00 ,  B01J23/22 ,  B01J29/072 ,  B01J37/00 ,  B01J37/02

Abstract: The present invention relates to a selective catalytic reduction catalyst for the treatment of an exhaust gas of a diesel engine comprising: a flow-through 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 flow through substrate extending therethrough; a coating disposed on the surface of the internal walls of the substrate, wherein the coating comprises a non-zeolitic oxidic material comprising manganese and one or more of the metals of the groups 4 to 11 and 13 of the periodic table, and further comprises one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron.

公开(公告)号：US20230405564A1

公开(公告)日：2023-12-21

申请号：US18033895

申请日：2021-10-29

Applicant: BASF Corporation

Inventor： Matthias Peter ,  Tobias Guenter ,  Burkhard Rabe ,  Tobias Engels

IPC: B01J29/76 ,  B01J23/745 ,  B01J23/72 ,  B01J35/04 ,  B01J37/02 ,  B01J37/03 ,  B01J37/08 ,  B01D53/94 ,  F01N3/28 ,  F01N3/10 ,  F01N3/035

CPC classification number: B01J29/763 ,  B01J23/745 ,  B01J23/72 ,  B01J35/04 ,  B01J37/0215 ,  B01J37/038 ,  B01J37/08 ,  B01D53/9413 ,  F01N3/2803 ,  F01N3/106 ,  F01N3/035 ,  B01J2229/186 ,  B01D2255/50 ,  B01D2251/2067 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2257/404 ,  B01D2258/012 ,  F01N2370/04 ,  F01N2510/068

Abstract: The present invention relates to a catalyst for the treatment of an exhaust gas of a diesel combustion engine, said catalyst particularly comprising a specific substrate and a coating disposed on the surface of the internal walls of said substrate, the coating particularly comprising a specific first non-zeolitic oxidic material, and a specific zeolitic material comprising Fe and Cu, wherein the catalyst exhibits a weight ratio of Fe, calculated as Fe2O3, relative to Cu, calculated as CuO, Fe2O3:CuO, of less than 0.1:1. Further, the present invention relates to a specific process for preparing said catalyst. Yet further, the present invention relates to a system comprising said catalyst and to a use thereof.

公开(公告)号：US11691106B2

公开(公告)日：2023-07-04

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

CPC classification number: B01D53/9418 ,  B01J21/066 ,  B01J21/12 ,  B01J21/18 ,  B01J29/763 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1019 ,  B01J35/1023 ,  B01J35/1076 ,  B01J37/0228 ,  B01J37/04 ,  B01J37/082 ,  F01N3/021 ,  F01N3/106 ,  F01N3/2066 ,  F01N3/28 ,  B01D2255/20761 ,  B01D2255/50 ,  B01D2255/9032 ,  B01D2255/9035 ,  B01D2255/911 ,  B01D2255/9155 ,  B01D2255/9207 ,  F01N3/0814 ,  F01N3/0871 ,  F01N2330/30 ,  F01N2370/04 ,  F01N2370/24 ,  F01N2510/0682 ,  F01N2510/0684

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.

公开(公告)号：US11660586B2

公开(公告)日：2023-05-30

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 ,  B01D53/94 ,  B01J37/02 ,  B01J37/04 ,  B01J37/08

CPC classification number: B01J29/763 ,  B01D53/9418 ,  B01J37/0215 ,  B01J37/04 ,  B01J37/082 ,  B01D2255/2065 ,  B01D2255/2092 ,  B01D2255/20707 ,  B01D2255/20715 ,  B01D2255/20761 ,  B01D2255/30 ,  B01D2255/50

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).