US US2014271428A1

Catalyst Compositions, Articles, Methods And Systems

Publication no.

US2014271428A1
Priority date
2013-03-13
Filing date
2014-03-11
Published
2014-09-18
Assignee
BASF CORP [US]
Inventors

GERLACH OLGA [DE], SUNDERMANN ANDREAS [DE], HOKE JEFFREY B [US]

Abstract

Described are catalyst compositions, catalytic articles, exhaust gas treatment systems and methods that utilize the catalytic articles. The catalyst composition comprises a washcoat including a zeolite, refractory metal oxide support particles, and a platinum group metal supported on the refractory metal oxide support particles. Greater than 90% of the refractory metal oxide particles supporting PGM have a particle size greater than 1 μm and a d50 less than 40 microns.

Classification

B01D53/94AI
B01J29/74AI
B01D29/74AI
B01J23/42AI
B01J23/44AI
B01J29/70AI
B01J37/02AI
B01D53/945
B01J23/42
B01J23/44
B01J23/58
B01J29/068

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