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公开(公告)号：IN8697DEN2014A
公开(公告)日：2015-05-22
申请号：IN8697DEN2014
申请日：2014-10-16
Inventor： MÜLLER STACH TORSTEN W , PUNKE ALFRED H , GRUBERT GERD , HILGENDORFF MARCUS , DOERING HELKE , NEUBAUER TORSTEN , ZHENG XIAOLAI , WAN CHUNG ZONG , XUE WEN MEI , BURK PATRICK
IPC: B01J29/035 , B01D53/94 , B01J37/02
Abstract: A diesel oxidation catalyst for the treatment of exhaust gas emissions such as the oxidation of unburned hydrocarbons (HC) and carbon monoxide (CO) and the reduction of nitrogen oxides (NOx) is described. More particularly the present invention is directed to a washcoat composition comprising high silica to alumina zeolite and platinum and palladium such that the zeolite minimizes negative interactions of these platinum group metals with the zeolite.
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