Catalyst Compositions, Catalytic Articles, Systems And Processes Using Large Particle Molecular Sieves

摘要

Described are catalyst compositions, catalytic articles, methods of manufacturing catalytic articles and exhaust gas treatment systems and methods that utilize the catalytic articles. The catalytic articles include a washcoat of platinum group metal on refractory oxide support particles, and further including a molecular sieve wherein greater than 90% of the molecular sieve particles have a particle size greater than 1 μm.

主权项

1. A catalyst composition comprising a washcoat including a platinum group metal supported on a refractory metal oxide support and further comprising molecular sieve particles, wherein greater than 90% of the molecular sieve particles have a particle size greater than 1 μm and a d50 less than 50 microns.