System for efficiently removing oxides of nitrogen from exhaust

Details System for efficiently removing oxides of nitrogen from exhaust System for efficiently removing oxides of nitrogen from exhaust

1983-01-31

1988-04-12

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Control element responds proportionally to a variable signal...

422110, 422171, 422172, 422173, 422177, B01J 800

Patent

active

047373458

ABSTRACT:
A system for removal of oxides of nitrogen from the waste gas produced by various combustion processes discloses thoroughly mixing the waste gas with ammonia by means of a static mixing element and then passing the resultant mixture through a catalytic reactor. The ammonia may be supplied by reacting a portion of the waste gas with natural gas in the presence of a catalyst.

REFERENCES:
patent: 3232885 (1966-02-01), Henke
patent: 3657892 (1972-04-01), Perga et al.
patent: 3791143 (1974-02-01), Keith et al.
patent: 3810361 (1974-05-01), Weaving et al.
patent: 3899303 (1975-08-01), Gaysert
patent: 4393031 (1983-07-01), Henke

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