Catalyst for reducing nitrogen oxides

Details Catalyst for reducing nitrogen oxides Catalyst for reducing nitrogen oxides

1974-03-21

1976-09-07

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252474, 4232135, B01J 2104, B01J 2372, B01J 2374

Patent

active

039793370

ABSTRACT:
A process for the preparation of a catalyst for reducing nitrogen oxides, which comprises impregnating a heat-resistant carrier with at least one carboxylate of the iron group metals and copper, converting the impregnated metallic carboxylate to the metallic hydroxide and then reducing the metallic hydroxide to the metal thereby preparing the catalyst; and catalysts prepared by said process.

REFERENCES:
patent: 1268692 (1918-06-01), Dewar et al.
patent: 2696475 (1954-12-01), Farrow
patent: 3076858 (1963-02-01), Frevel et al.
patent: 3112277 (1963-11-01), Michalko
patent: 3206414 (1965-09-01), Gunther
patent: 3699683 (1972-10-01), Tourtellotte et al.
patent: 3702236 (1972-11-01), Fessler
patent: 3737396 (1973-06-01), Negra et al.
patent: 3816401 (1974-06-01), Hansford
patent: 3839224 (1974-10-01), Yonehara et al.

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