Catalyst and use thereof in treating internal combustion engine

Details Catalyst and use thereof in treating internal combustion engine Catalyst and use thereof in treating internal combustion engine

1981-12-11

1985-01-08

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502245, 502316, 502324, 502326, 502327, 4232135, B01J 2310, B01J 2342, B01J 2344, B01J 2372

Patent

active

044927703

ABSTRACT:
Provided is an improved catalyst and a process employing same in the treatment of exhaust gases generated by internal combustion engines. The catalyst comprises a support and an active phase comprising copper, cerium and/or iron, at least one metal selected from the group consisting of platinum and palladium, and at least one metal selected from the group consisting of iridium and rhodium. The catalyst is particularly active in the removal of carbon monoxide, unburned hydrocarbons and nitrogen oxides generally present in the exhaust gases of an internal combustion engine.

REFERENCES:
patent: 3271324 (1966-09-01), Stephens et al.
patent: 4274981 (1981-06-01), Suzuki et al.
patent: 4378307 (1983-03-01), Brunelle et al.

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