公开(公告)号：EP2555867A4

公开(公告)日：2014-12-10

申请号：EP11765158

申请日：2011-04-08

Applicant: BASF SE

Inventor： STIEBELS SUSANNE ,  WENDT CLAUDIA ,  NEUBAUER TORSTEN ,  SCHNEIDER EDITH

IPC: B01J29/80 ,  B01J29/46 ,  B01J29/76

CPC classification number: B01J29/46 ,  B01D53/9418 ,  B01D2251/206 ,  B01D2251/2062 ,  B01D2251/2067 ,  B01D2255/20738 ,  B01D2255/50 ,  B01D2255/9205 ,  B01J29/7215 ,  B01J29/80 ,  B01J35/04

公开(公告)号：EP2579985A4

公开(公告)日：2015-01-21

申请号：EP11792037

申请日：2011-06-09

Applicant: BASF SE

Inventor： MÜLLER-STACH TORSTEN ,  STIEBELS SUSANNE ,  SCHNEIDER EDITH ,  NEUBAUER TORSTEN

IPC: B01J29/74 ,  B01D53/94 ,  B01J23/63 ,  B01J37/02

CPC classification number: B01J37/0244 ,  B01D53/9422 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2042 ,  B01D2255/2047 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/502 ,  B01D2255/9022 ,  B01D2255/9025 ,  B01D2255/908 ,  B01D2255/91 ,  B01D2255/912 ,  B01D2258/012 ,  B01J23/63 ,  B01J29/7415 ,  B01J37/0246

Abstract: The present invention relates to a nitrogen oxide storage catalyst comprising: a substrate; a first washcoat layer provided on the subtstrate, the first washcoat layer comprising a nitrogen oxide storage material, a second washcoat layer provided on the first washcoat layer, the second washcoat layer comprising a hydrocarbon trap material, wherein the hydrocarbon trap material comprises substantially no element or com- pound in a state in which it is capable of catalyzing selective catalytic reduction, preferably wherein the hydrocarbon trap material comprises substantially no element or compound in a state in which it is capable of catalyzing a reaction wherein nitrogen oxide is reduced to N2, said catalyst further comprising a nitrogen oxide conversion material which is either comprised in the second washcoat layer and/or in a washcoat layer provided between the first washcoat layer and the second washcoat layer.

Abstract translation: 本发明涉及一种氮氧化物储存催化剂，其包括：基材; 设置在所述底板上的第一修补基面涂层，所述第一修补基面涂层包含氮氧化物储存材料，所述第二修补基面涂层设置在所述第一修补基面涂层上，所述第二修补基面涂层包含烃捕集材料，其中所述烃阱材料基本上不包含元素 或在其能够催化选择性催化还原的状态下化合，优选其中烃阱材料基本上不含有能够催化其中氮氧化物还原为N 2的反应的元素或化合物， 所述催化剂还包含氮化物转化材料，其包含在第二修补基面涂层中和/或设置在第一修补基面涂层和第二修补基面涂层之间的修补基面涂层中。