Catalytic sulfur trioxide flue gas conditioning

Details Catalytic sulfur trioxide flue gas conditioning Catalytic sulfur trioxide flue gas conditioning

1994-07-05

1996-12-10

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422168, 422174, 422198, 422199, 422200, 422177, 422180, 422109, 110185, 110216, F01N 310

Patent

active

055828027

ABSTRACT:
A method and apparatus for the selective control of the sulfur trioxide concentration in flue gases, to enhance the ash removal efficiency of electrostatic precipitators, which includes supporting a catalyst in the path of the flue gas, positioning temperature modifying means in communication with the catalyst, passing the flue gas by the catalyst and selectively varying the temperature of the catalyst, with the temperature modifying means, to vary the amount of catalytic conversion of SO.sub.2 in the flue gas to SO.sub.3.

REFERENCES:
patent: 2408396 (1946-10-01), Horsley
patent: 5022226 (1991-06-01), Bell
patent: 5209062 (1993-05-01), Vollenweider
patent: 5319929 (1994-06-01), Cornelison et al.
patent: 5320052 (1994-06-01), Spokoyny et al.
patent: 5330727 (1994-07-01), Trocciola et al.

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