公开(公告)号：US20210172361A1

公开(公告)日：2021-06-10

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 ,  B01J29/072 ,  B01J37/02 ,  B01J23/22 ,  B01J37/00 ,  B01J6/00

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.