Catalyst for purifying exhaust gases and method for producing sa

Details Catalyst for purifying exhaust gases and method for producing sa Catalyst for purifying exhaust gases and method for producing sa

1980-05-20

1981-11-10

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252466PT, 252446B, 252471, 252472, 4232135, B01J 2104, B01J 2310, B01J 2384, B01J 2389

Patent

active

042997348

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 consisting essentially of zirconia and at least one oxide selected from the group consisting of cerium oxide, manganese oxide and iron oxide; and a metal as a catalyst ingredient supported thereon selected from the group consisting of platinum, palladium and mixtures thereof.
A method for producing the aforesaid catalyst.

REFERENCES:
patent: 3524721 (1970-08-01), Stephens
patent: 3669906 (1972-06-01), Koberstein et al.
patent: 4171288 (1979-10-01), Keith et al.
patent: 4173549 (1979-11-01), Kent et al.
patent: 4206134 (1980-06-01), Kugler et al.

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