公开(公告)号：US20240082765A1

公开(公告)日：2024-03-14

申请号：US18269117

申请日：2021-12-01

Applicant: BASF Corporation

Inventor： Jia Di Zhang ,  Teng Shen ,  Jian Li ,  Wen Ji Song ,  Tobias Paul ,  Martin Kalwei ,  Edgar Viktor Huennekes ,  Weiyong Tang

IPC: B01D39/20

CPC classification number: B01D39/2058 ,  B01D2255/702 ,  B01D2258/01

Abstract: The present invention provides a method for treating a used particulate filter, comprising: removing particulates from the particulate filter; and introducing simulated ash into inlet channels of the particulate filter after removing the particulates.

公开(公告)号：US20240035407A1

公开(公告)日：2024-02-01

申请号：US18265482

申请日：2021-12-08

Applicant: BASF Corporation

Inventor： Robert Dorner ,  Tobias Paul ,  Edgar Viktor Huennekes ,  Jan Martin Becker ,  Kevin Beard

IPC: F01N3/28 ,  F01N3/20 ,  F01N13/00

CPC classification number: F01N3/2803 ,  F01N3/2066 ,  F01N13/0097 ,  F01N2510/0684 ,  F01N2370/04

Abstract: The present invention relates to an exhaust gas treatment system for treating an exhaust gas stream exiting a diesel engine, wherein said exhaust gas treatment system comprises a first catalyst having an inlet end and an outlet end and comprising a coating disposed on a substrate, wherein the coating comprises palladium supported on an oxidic material comprising zirconium and further comprises one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron; a second catalyst having an inlet end and an outlet end and comprising a coating disposed on a substrate, wherein the coating comprises one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron, wherein at most 0.0001 weight-% of the coating of the second catalyst consists of platinum group metal.