公开(公告)号：US20170362984A1

公开(公告)日：2017-12-21

申请号：US15532751

申请日：2015-12-08

Applicant: BASF Corporation

Inventor： Yuejin Li ,  Xiaolai Zheng ,  Stanley Roth ,  Olga Gerlach ,  Andreas Sundermann

IPC: F01N3/20 ,  B01D53/94 ,  F01N3/08 ,  B01J37/08 ,  B01J37/02 ,  B01J35/10 ,  B01J35/04 ,  B01J35/00 ,  B01J33/00 ,  B01J23/46 ,  B01J23/44 ,  B01J23/42 ,  B01J23/10 ,  F01N3/10 ,  F01N3/28

CPC classification number: F01N3/2066 ,  B01D53/9427 ,  B01D53/945 ,  B01D53/9468 ,  B01D53/9472 ,  B01D2255/1025 ,  B01D2255/2065 ,  B01D2255/9022 ,  B01D2255/9032 ,  B01D2255/9155 ,  B01D2255/9205 ,  B01D2255/9207 ,  B01D2257/402 ,  B01J23/10 ,  B01J23/42 ,  B01J23/44 ,  B01J23/464 ,  B01J23/468 ,  B01J23/52 ,  B01J23/63 ,  B01J33/00 ,  B01J35/0006 ,  B01J35/006 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1014 ,  B01J35/1019 ,  B01J35/1038 ,  B01J37/0201 ,  B01J37/0215 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/0248 ,  B01J37/08 ,  B01J37/082 ,  B01J37/088 ,  B01J2523/00 ,  F01N3/0842 ,  F01N3/101 ,  F01N3/2839 ,  Y02C20/10 ,  Y02T10/22 ,  B01J2523/36 ,  B01J2523/3712 ,  B01J2523/822 ,  B01J2523/3706 ,  B01J2523/3718 ,  B01J2523/3725 ,  B01J2523/3737 ,  B01J2523/375

Abstract: A nitrous oxide (N2O) removal catalyst composite is provided, comprising a N2O removal catalytic material on a substrate, the catalytic material comprising a rhodium (Rh) component supported on a ceria-based support, wherein the catalyst composite has a H2-consumption peak of about 100° C. or less as measured by hydrogen temperature-programmed reduction (H2-TPR). Methods of making and using the same are also provided.

公开(公告)号：US20130084222A1

公开(公告)日：2013-04-04

申请号：US13624524

申请日：2012-09-21

Applicant: BASF SE ,  BASF Corporation

Inventor： Gerd Grubert ,  Torsten Neubauer ,  Alfred Punke ,  Marcus Hilgendorff ,  Torsten Müller-Stach ,  Olga Gerlach ,  Xinyi Wei ,  Jeffrey Hoke ,  Shiang Sung ,  Stanley Roth

IPC: B01J29/04 ,  B01D53/94 ,  B01J23/63

CPC classification number: B01J29/04 ,  B01D53/944 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/9025 ,  B01D2258/012 ,  B01J23/63 ,  B01J29/7007 ,  B01J35/023 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0244 ,  B01J37/0246 ,  B01J2523/00 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/3718 ,  B01J2523/48 ,  B01J2523/49 ,  B01J2523/31 ,  B01J2523/824 ,  B01J2523/828

Abstract: The present invention relates to a layered diesel oxidation catalyst (DOC) comprising: a) a carrier substrate; b) a diesel oxidation catalytic material comprising b1) 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.

Abstract translation: 本发明涉及层状柴油氧化催化剂（DOC），其包括：a）载体基材; b）一种柴油氧化催化材料，其包含：b1）位于所述载体基底上的第一层，所述第一层包含浸渍在载体材料上的钯，所述载体材料包含基于载体材料总重量至少45重量％的二氧化铈 ，并且任选地包含铂; b2）位于所述第一层上的第二层，所述第二层包含钯和铂，各自浸渍在包含金属氧化物的载体材料上; 其中第一层的铂与钯的重量比低于第二层的铂与钯的重量比。