Process for removing nitrogen oxides using ammonia as a reductan

Details Process for removing nitrogen oxides using ammonia as a reductan Process for removing nitrogen oxides using ammonia as a reductan

1977-01-25

1978-08-15

Vertiz, O. R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

252440, 423237, 423351, B01J 800, C01B 2100

Patent

active

041072723

ABSTRACT:
Nitrogen oxides are removed from flue gas evolving from stationary sources and containing the nitrogen oxides through reduction of nitrogen oxides to nitrogen by passing the flue gas over a catalyst of metal compounds containing oxysulfur compounds in the presence of an ammonia gas.

REFERENCES:
patent: 1412452 (1922-04-01), Coolbaugh
patent: 1422211 (1922-07-01), Lamb
patent: 2924504 (1960-02-01), Reitmeier
patent: 3382033 (1968-05-01), Kitagawa
patent: 3449063 (1969-06-01), Geitting
patent: 3635657 (1972-01-01), Bressan
patent: 3682585 (1972-08-01), Frevel
patent: 3773912 (1973-11-01), Spangler
patent: 3795730 (1974-03-01), Kalvinskas
patent: 3864451 (1975-02-01), Lee
patent: 3993731 (1976-11-01), Morikawa et al.
Perry-Chem. Engr. Handbook - 4th Ed. - McGraw Hill - 1963, pp. 3-10, 3-11,3-14.

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