Catalyst for selectively reducing nitrogen oxides from oxygen-co

Details Catalyst for selectively reducing nitrogen oxides from oxygen-co Catalyst for selectively reducing nitrogen oxides from oxygen-co

1977-09-27

1980-01-29

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252456, 252457, 252459, 4232132, 4232135, 423239, B01J 2702

Patent

active

041861094

ABSTRACT:
A catalyst for selective catalytic reduction of nitrogen oxides by use of ammonia as a reducing agent is prepared by mixing a silicic acid material with a lime material, heating the mixture under pressure to form a slurry of calcium silicate crystals, forming the slurry into a carrier, and then allowing the carrier to carry a catalytically active ingredient.

REFERENCES:
patent: 3279884 (1966-10-01), Nonnenmacher et al.
patent: 3939104 (1976-02-01), Campbell et al.
patent: 4010238 (1977-03-01), Shiraishi et al.
patent: 4043939 (1977-08-01), Kasaoka et al.

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