Method of and apparatus for removing nitrogen oxides from the ga

Details Method of and apparatus for removing nitrogen oxides from the ga Method of and apparatus for removing nitrogen oxides from the ga

1977-12-30

1980-04-22

Peters, G. O.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

252411R, B01D 5300

Patent

active

041995546

ABSTRACT:
Disclosed herein is a method of removing the nitrogen oxides from the gases containing nitrogen oxides by contacting any such gas with ammonia at a temperature of from 100.degree. C. to 230.degree. C. in the presence of a catalyst so that a reaction takes place between the nitrogen oxides and ammonia. This reaction is conducted in such a manner as to prevent the by-produced ammonium nitrate from depositing on the catalyst. There is also disclosed a specific apparatus for practicing the method.

REFERENCES:
patent: 2006981 (1935-07-01), Andrussow
patent: 3162506 (1964-12-01), Delassus et al.
patent: 3864451 (1975-02-01), Lee et al.
patent: 3911089 (1975-10-01), Shiraishi et al.
patent: 3970739 (1976-07-01), Shiraishi et al.
patent: 4043939 (1977-08-01), Kasaoka

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