Reduction of ammonia slip in nitrogen oxides reduction process

Details Reduction of ammonia slip in nitrogen oxides reduction process Reduction of ammonia slip in nitrogen oxides reduction process

1995-01-11

1996-07-23

Bos, Steven

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

95271, B01D 5356

Patent

active

055387047

ABSTRACT:
The present invention is an ammonia injection scheme for NO.sub.x reductions that also reduces ammonia slip wherein the NO.sub.x containing gas to be treated is upstream of a cyclone separator. The reduction in ammonia slip is accomplished by injecting the ammonia through the outside wall of the cyclone inlet duct.

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Leckner, Bo, et al. "Influence of Additives on Selective Noncatalytic Reduction of NO with NH3 in Circulating Fluidized Bed Boilers", Industrial and Engineering Chemistry Research, 1991, vol. 30, pp. 2396-2404.

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