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。

公开(公告)号：EP2621629A4

公开(公告)日：2016-12-14

申请号：EP11828238

申请日：2011-09-28

Applicant: BASF SE ,  BASF CORP

Inventor： MÜLLER-STACH TORSTEN ,  SIANI ATTILIO ,  NEUBAUER TORSTEN ,  WEI XINYI

IPC: B01J37/02 ,  B01D53/94

CPC classification number: B01D53/945 ,  B01D2255/1021 ,  B01D2255/1025 ,  Y02A50/2324 ,  Y02T10/22

Abstract: Described is a process for the preparation of a catalyst comprising the steps of: (i) providing one or more support materials; (ii) providing one or more polymers on the support material; and (iii) providing one or more metals on the one or more supported polymers; wherein in step (ii) the one or more polymers do not comprise cross-linked polymers and/or polymers which have been reacted with a cross-linking agent. Also described is a catalyst obtained or obtainable according to said process, as well as the use of the catalyst, in particular in a method for the treatment of automobile engine exhaust gas.

公开(公告)号：EP2758168A4

公开(公告)日：2015-12-02

申请号：EP12833838

申请日：2012-09-21

Applicant: BASF SE ,  BASF CORP

Inventor： GRUBERT GERD ,  NEUBAUER TORSTEN ,  PUNKE ALFRED ,  HILGENDORFF MARCUS ,  MÜLLER-STACH TORSTEN ,  GERLACH OLGA ,  WEI XINYI ,  HOKE JEFFREY ,  SUNG SHIANG ,  ROTH STANLEY

IPC: B01J23/44 ,  B01J23/42 ,  B01J37/025

CPC classification number: B01J23/42 ,  B01D53/944 ,  B01D53/9459 ,  B01D2253/108 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/206 ,  B01D2255/2061 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/2066 ,  B01D2255/20715 ,  B01D2255/20776 ,  B01D2255/9025 ,  B01D2255/912 ,  B01D2258/012 ,  B01J21/04 ,  B01J23/44 ,  B01J23/63 ,  B01J29/068 ,  B01J29/7007 ,  B01J29/7057 ,  B01J29/7415 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0201 ,  B01J37/0244 ,  B01J37/0246 ,  B01J2229/42

Abstract: A layered diesel oxidation catalyst (DOC) comprises: a) a carrier substrate; b) a diesel oxidation catalytic material comprising bl)a first layer located on the carrier substrate, the first layer comprising palladium impregnated on a support material comprising ceria in an amount of at least 45 weight% based on the total weight of the support material, and optionally comprising platinum; b2) a second layer located on the first layer, the second layer comprising palladium and platinum each impregnated on a support material comprising a metal oxide; wherein the platinum to palladium weight ratio of the first layer is lower than the platinum to palladium weight ratio of the second layer.

公开(公告)号：EP2539040A4

公开(公告)日：2014-09-03

申请号：EP11746943

申请日：2011-02-22

Applicant: BASF SE ,  BASF CORP

Inventor： PUNKE ALFRED HELMUT ,  GRUBERT GERD ,  LI YUEJIN ,  WOLFF RUEDIGER ,  ROTH STANLEY ,  MÜLLER-STACH TORSTEN ,  VOSS KENNETH ,  SIANI ATTILIO ,  NEUBAUER TORSTEN

IPC: B01D46/00 ,  B01D53/94 ,  B01J23/44 ,  B01J35/00 ,  B01J37/02 ,  F01N3/035 ,  F01N3/10

CPC classification number: B01D53/9468 ,  B01D53/944 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/9155 ,  B01D2258/012 ,  B01J23/42 ,  B01J23/44 ,  B01J35/0006 ,  B01J37/0248 ,  F01N3/035 ,  F01N3/103 ,  F01N13/0093 ,  F01N13/0097 ,  F01N2250/12 ,  F01N2510/0682 ,  Y10S502/52712 ,  Y10S502/52713 ,  Y10S502/52718 ,  Y10S502/52719

Abstract: Described is a catalyzed soot filter wherein the inlet coating of the filter comprises an oxidation catalyst comprising platinum (Pt) and optionally palladium (Pd), wherein the outlet coating of the filter comprises an oxidation catalyst comprising Pd and optionally Pt, wherein the Pt concentration in the outlet coating is lower than the Pt concentration in the inlet coating and wherein the weight ratio of Pt:Pd in the outlet coating is in the range of from 0:1 to 2:1; and wherein the inlet coating and the outlet coating are present on the wall flow substrate at a coating loading ratio in the range of from 0.5 to 1.5, calculated as ratio of the loading of the inlet coating (in g/inch3 (g/(2.54 cm)3)):loading of the outlet coating (in g/inch3 (g/(2.54 cm)3)). Systems include such catalyzed soot filters, methods of diesel engine exhaust gas treatment and methods of manufacturing catalyzed soot filters are also described.