Catalyst for purifying exhaust gases and method for manufacturin

Details Catalyst for purifying exhaust gases and method for manufacturin Catalyst for purifying exhaust gases and method for manufacturin

1981-03-10

1982-09-21

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252457, 252462, 252463, 252464, 252465, 252466PT, 252466J, 252466B, 423247, B01J 2104, B01J 2106, B01J 2358, B01J 2364

Patent

active

043506135

ABSTRACT:
A catalyst for purifying an exhaust gas comprising a carrier substantially composed of calcium aluminate and titanium oxide. The carrier is deposited with a platinum group metal or a metal oxide capable of oxidizing reductive gases into innoxious ones. The titanium oxide is applied on the surface of the carrier or incorporated in the carrier. The carrier may further comprise a transition metal oxide showing catalytic activity. A method of making a catalyst is also disclosed in which titanium oxide is applied on the surface of a solid mass of calcium aluminate.

REFERENCES:
patent: 3905917 (1975-09-01), Nishino et al.
patent: 4065406 (1977-12-01), Nishino et al.
patent: 4211672 (1980-07-01), Sonetaka et al.

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