Catalyst for purifying exhaust gas and the process for manufactu

Details Catalyst for purifying exhaust gas and the process for manufactu Catalyst for purifying exhaust gas and the process for manufactu

1980-01-02

1981-06-23

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252443, 252455R, 252462, 252465, 252466B, 252466PT, 4232135, B01J 2310, B01J 2358, B01J 2364, B01J 2389

Patent

active

042749816

ABSTRACT:
A catalyst for purifying exhaust gas composed of a catalyst carrier coated with a metal oxide material containing a spinel metal oxide of the formula: MAl.sub.2 O.sub.4 wherein M is Sr, Mg, Cu, Mn, Mo, Zn, Fe, Co or Ni the metal oxide coated carrier further being coated with rhodium and platinum and/or palladium as catalytically active components. The catalytically active components also can include cerium.

REFERENCES:
patent: 3565830 (1971-02-01), Keith et al.
patent: 3741725 (1973-06-01), Graham
patent: 3791992 (1974-02-01), Feldwick
patent: 4049582 (1977-09-01), Erickson et al.
patent: 4171287 (1979-10-01), Keith
patent: 4171288 (1979-10-01), Keith et al.
patent: 4183829 (1980-01-01), Adachi et al.

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