Catalyst for simultaneous no decomposition and co oxidation...

Details Catalyst for simultaneous no decomposition and co oxidation... Catalyst for simultaneous no decomposition and co oxidation...

B - Operations, Transporting

01

J

23/342, 252/48,

B01J 23/10 (2006.01) B01D 53/94 (2006.01) B01J 23/63 (2006.01)

Patent

CA 1310951

C-3927 CATALYST FOR SIMULTANEOUS NO DECOMPOSITION AND CO OXIDATION UNDER CYCLED OPERATING CONDITIONS Abstract of the Invention This invention relates to an automotive exhaust gas treatment catalyst composed of one or more noble metals dispersed on CeO2-RE2O3 carrier particles. The ceria-rare earth oxide carrier for the noble metal facilitates the simultaneous oxidation of CO and decomposition of NO. The catalyst is particularly useful when the air-fuel mixture to the automobile engine is continually cycled between fuel rich and fuel lean of stoichiometric proportions.

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