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：US20240165561A1

公开(公告)日：2024-05-23

申请号：US18277306

申请日：2022-02-16

Applicant: BASF Corporation

Inventor： Marcus Hilgendorff ,  Tobias Guenter

IPC: B01D53/94 ,  B01J23/63 ,  B01J23/656 ,  B01J29/76 ,  B01J37/00 ,  B01J37/02 ,  B01J37/04 ,  B01J37/08 ,  F01N3/035 ,  F01N3/20 ,  F01N3/28

CPC classification number: B01D53/9436 ,  B01D53/9418 ,  B01D53/9477 ,  B01J23/63 ,  B01J23/6562 ,  B01J29/76 ,  B01J29/763 ,  B01J37/0009 ,  B01J37/0213 ,  B01J37/0236 ,  B01J37/0246 ,  B01J37/0248 ,  B01J37/04 ,  B01J37/088 ,  F01N3/035 ,  F01N3/2066 ,  F01N3/2828 ,  B01D2255/1021 ,  B01D2255/2066 ,  B01D2255/20707 ,  B01D2255/2073 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/40 ,  B01D2255/50 ,  B01D2257/404 ,  B01D2257/406 ,  B01D2258/012 ,  B01J2229/186 ,  F01N2370/04 ,  F01N2510/063 ,  F01N2510/0684 ,  F01N2610/1453

Abstract: The present invention relates to a catalyst for the oxidation of ammonia (AMOX catalyst), wherein the catalyst comprises as components: (a) Pt and/or Pd as one or more platinum group metals, wherein the one or more platinum group metals are supported on a support material; (b) one or more rare earth metal oxides selected from the group of oxides of Pr, Nd, and Ce, including combinations of two or more thereof; (c) one or more transition metal oxides selected from the group consisting of oxides of Mn, Ti, V, Nb, and Ta, including combinations of two or more thereof; (d) one or more zeolitic materials; and (e) optionally one or more binders; wherein the one or more zeolitic materials are loaded with Cu and/or Fe. The present invention also relates to an exhaust gas treatment system comprising the inventive catalyst for the oxidation of ammonia, as well as to a process for the preparation of a catalyst for the oxidation of ammonia, and to the use of the inventive catalyst.