Denitrification system

Details Denitrification system Denitrification system

1994-05-27

1996-02-20

McMahon, Timothy M.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422170, 422171, 423235, 4232391, B01D 5356

Patent

active

054926769

ABSTRACT:
A denitrification system comprises an electrostatic precipitator (3) in the foremost stage of the system inlet, an ozone supply nozzle (4) for an ozonizer (5) for generating ozone required for oxidizing the NO into NO.sub.2, followed by a fan or an agitator (6), and an NO.sub.2 absorbent filter (7) in the final stage arranged in that order. Further, this system may comprise the control of feeding back the residual O.sub.3 concentration after oxidation, to achieve the higher denitrification rate.

REFERENCES:
patent: 3745751 (1973-07-01), Zey et al.
patent: 4038368 (1977-07-01), Atsukawa et al.
patent: 4551304 (1985-11-01), Holter et al.
patent: 4640825 (1987-02-01), Rosenberg
patent: 4680040 (1987-07-01), Gooray et al.
patent: 5063030 (1991-11-01), Sweetman
patent: 5141722 (1992-08-01), Nagashima
Derwent Publications Ltd. & JP-A-56 028 627 (Abstract) Mar. 1981.
Derwent Publications Ltd. & JP-A-3 233 100 (Abstract) Oct. 1991.
Derwent Publications Ltd. & JP-A-3 275 126 (Abstract) Dec. 1991.

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