Combined heat exchanger and ammonia injection process

Details Combined heat exchanger and ammonia injection process Combined heat exchanger and ammonia injection process

1994-05-27

1995-08-01

Santiago, Amalia L.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

422171, 422172, 422177, 423235, C01B 2102, B01J 800

Patent

active

054378516

ABSTRACT:
A method for injecting an aqueous ammonia into a flue gas for reducing NO.sub.x in the flue gas comprises providing at least one tube pass in a path of the flue gas. As the vaporized aqueous ammonia and air mixture passes through the tube, it is injected into the flue gas. The flue gas raises the temperature of the remaining vaporized aqueous ammonia mixture for later use in vaporization of the aqueous ammonia.

REFERENCES:
patent: 4328020 (1982-05-01), Hughes
patent: 4875436 (1989-10-01), Smith et al.
patent: 4888158 (1989-12-01), Downs
patent: 4981660 (1991-01-01), Leach

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