Solid supported catalysts for catalytic reduction of nitrogen ox

Details Solid supported catalysts for catalytic reduction of nitrogen ox Solid supported catalysts for catalytic reduction of nitrogen ox

1975-12-24

1978-10-10

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252439, 252440, 252455R, 252463, 423239, B01J 2702, B01J 2718

Patent

active

041195680

ABSTRACT:
Solid supported catalysts for catalytic reduction of nitrogen oxide in waste gases utilizing ammonia as the reducing agent, the catalyst comprising at least one metallic oxide, sulfate or phosphate of a first transition metal supported on an alumina or silica-alumina carrier; the carrier containing from 0.03 to 20% by weight sulfur, based on the weight of the carrier, calculated as a sulfate or sulfite radical.

REFERENCES:
patent: 2206377 (1940-07-01), Weiss
patent: 2423612 (1947-07-01), Mulligan et al.
patent: 2952644 (1960-09-01), Holden
patent: 3353910 (1967-11-01), Cornelius et al.
patent: 3544264 (1970-12-01), Hardison
patent: 3544534 (1970-12-01), Kadowski et al.
patent: 3864451 (1975-02-01), Lee et al.

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