Catalyst for removing nitrogen oxides, carbon monoxide, and/or r

Details Catalyst for removing nitrogen oxides, carbon monoxide, and/or r Catalyst for removing nitrogen oxides, carbon monoxide, and/or r

1989-04-28

1990-11-13

McFarlane, Anthony

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

4232132, B01J 3118

Patent

active

049701886

ABSTRACT:
A catalyst for removing nitrogen oxides, carbon monoxide, and residual hydrocarbons from exhaust gases is made with the use of technical metal phthalocyanines and a carrier onto or into which the metal phthalocyanines are applied, whereupon the system composed of the carrier and metal phthalocyanines is treated, at temperatures above 120.degree. C., with nitrogen oxides and/or mixtures of nitrogen oxide and carbon monoxide and/or with oxygen and/or mixtures of oxygen and carbon monoxide or with nitrating or oxidizing solutions. Instead of activating by nitrating or oxidizing gases or solutions, the activation also may be effected by intimate mixing of metal oxide and metal phthalocyanine on and in a carrier.

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Ullmann's Encyklopadie der technischen Chemie (English version), 1986, vol. A5, pp. 347-353.
Steinbach, F. and Schmidt, H., Journal of Catalysis, vol. 39, pp. 190-197 (1975).

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