Methods for catalytic reduction of nitrogen oxides

Details Methods for catalytic reduction of nitrogen oxides Methods for catalytic reduction of nitrogen oxides

1976-03-11

1977-09-06

Peters, G. O.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

B01D 5334

Patent

active

040468887

ABSTRACT:
Process for removing nitrogen oxides from gaseous mixtures comprising the same. Ammonia in an amount excessive over the stoichiometric amount necessary for reducing the nitrogen oxides is introduced into a reaction zone containing a catalyst. Then, ammonia in a minimum amount necessary for reduction of the nitrogen oxides is introduced into the reaction zone.

REFERENCES:
patent: 3689212 (1972-09-01), Petit et al.
patent: 3895094 (1975-07-01), Carter et al.
Katzer, J. R. in "Catalytic Chem. of Nitrogen Oxides", Plenum Press, 1975-symposium on 10/7/74.

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