公开(公告)号：CA2932354A1

公开(公告)日：2015-06-25

申请号：CA2932354

申请日：2014-12-15

Applicant: BASF CORP

Inventor： SUNG SHIANG ,  ROTH STANLEY A ,  DUMBUYA KARIFALA ,  STIEBELS SUSANNE ,  ZABEL CLAUDIA ,  GERLACH OLGA ,  SUNDERMANN ANDREAS

IPC: B01J29/068 ,  B01D53/94 ,  B01J23/10 ,  B01J23/34 ,  B01J23/42 ,  B01J23/44 ,  B01J35/04 ,  B01J37/02

Abstract: An oxidation catalyst composite, methods, and systems for the treatment of exhaust gas emissions from a diesel engine are described. More particularly, an oxidation catalyst composite including a first washcoat comprising a zeolite, Pt, and first refractory metal oxide support containing manganese, a second washcoat comprising a second refractory metal oxide support, a Pt component and a Pd component, and a third washcoat comprising palladium and a rare earth oxide component is described.