BIMETALLIC CATALYSTS FOR SELECTIVE AMMONIA OXIDATION

摘要

Catalysts, methods, and systems for treating diesel engine exhaust streams are described. In one or more embodiments, the catalyst comprises a molecular sieve having a silica to alumina ratio (SAR) less than about 30, the molecular sieve including ion- exchanged copper and ion-exchanged platinum. Systems including such catalysts and methods of treating exhaust gas are also provided.