Method of reducing the nitrogen oxide content of a flue gas prod

Details Method of reducing the nitrogen oxide content of a flue gas prod Method of reducing the nitrogen oxide content of a flue gas prod

1986-10-30

1988-02-23

Favors, Edward G.

Furnaces

Process

Treating fuel constituent or combustion product

110215, 423237, F23J 1100, F23J 1500

Patent

active

047263024

ABSTRACT:
A method of reducing the nitrogen oxide level in flue gases from a fossil-fuel power plant in which NH.sub.3 is admixed with the flue gas as a reducing agent and the nitrogen oxides are largely converted to molecular nitrogen by reducing them with the ammonia in a reactor. Residual ammonia forms NH.sub.3 and NH.sub.4 substances which deposit and from time to time are taken up in a wash water which is disposed of by introducing it in the boiler.

REFERENCES:
patent: 3996862 (1976-12-01), Besik et al.
patent: 4051225 (1977-09-01), Shiga et al.
patent: 4335084 (1982-06-01), Brogan
patent: 4372770 (1983-02-01), Krumwiede et al.
patent: 4571175 (1986-02-01), Bogle et al.

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