Method of removing nitrogen oxides from a flue gas stream

Details Method of removing nitrogen oxides from a flue gas stream Method of removing nitrogen oxides from a flue gas stream

1988-09-26

1990-03-27

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

C01B 2100

Patent

active

049119001

ABSTRACT:
In the selective reduction of nitrogen oxides of flue gases with ammonia, the ammonia is added as ammonia water upstream of the reduction zone. Residual gas phase ammonia and ammonia compounds collected with the flyash serve as recycled ammonia sources and ammonia is formed from them and, in an ammoniacal solution, is added to the ammonia water supply vessel.

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