Combined heat exchanger and ammonia injection process

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

1993-06-15

1995-01-10

Santiago, Amalia L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422177, 422211, 4232391, B01J 802

Patent

active

053804996

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: 4678643 (1987-07-01), Fetzer
patent: 4981660 (1991-01-01), Leach
patent: 4999167 (1991-03-01), Skelley et al.
patent: 5057293 (1991-10-01), Epperly et al.

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