Catalyst for purifying exhaust gases

Details Catalyst for purifying exhaust gases Catalyst for purifying exhaust gases

1980-12-08

1982-02-23

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

4232135, B01J 2106, B01J 2310, B01J 2342, B01J 2344

Patent

active

043168221

ABSTRACT:
A catalyst for reducing nitrogen oxides, carbon monoxide and hydrocarbons, the noxious components in exhaust gases from internal combustion engines, etc., comprising: a porous carrier of ceramic selected from the group consisting of alumina and alumina-magnesia spinel; and a catalyst ingredient supported thereon consisting essentially of zirconium oxide, cerium oxide and a metal selected from the group consisting of platinum, palladium and mixtures thereof.

REFERENCES:
patent: 3914390 (1975-10-01), Kudo et al.
patent: 3945948 (1976-03-01), Westwood et al.
patent: 4153579 (1979-05-01), Summers et al.

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