Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component
Patent
1977-12-09
1980-07-22
Peters, G. O.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Nitrogen or nitrogenous component
423239, 423351, B01D 5300
Patent
active
042139449
ABSTRACT:
A hot gas containing nitrogen oxides is admixed with ammonia and hydrogen peroxide to reduce the nitrogen oxides to nitrogen and water. Reduction reaction of the nitrogen oxides by ammonia is considerably promoted in a temperature range of 400.degree. to 800.degree. C. by the addition of hydrogen peroxide, and also ammonia present in excess of the nitrogen oxides is decomposed thereby, eliminating an unreacted ammonia effluent.
REFERENCES:
patent: 3900554 (1975-08-01), Lyon
Akimoto Hidetoshi
Arikawa Yoshijiro
Azuhata Shigeru
Hishinuma Yukio
Kikuchi Hideo
Hitachi , Ltd.
Peters G. O.
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