Method of reducing nitrogen oxides in a gas stream with...

Details Method of reducing nitrogen oxides in a gas stream with... Method of reducing nitrogen oxides in a gas stream with...

2011-08-16

2011-08-16

Langel, W. (Department: 1736)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

C423S239100

Reexamination Certificate

active

07998444

ABSTRACT:
The present invention is a method for selective reduction of nitrogen oxides in a gas stream with ammonia wherein the ammonia is vaporized prior to contacting it with the carrying fluid. The present invention also comprises a reducing agent dispersion system for use in substantially uniformly mixing a reducing agent with nitrogen oxides in a flue gas stream comprising a header and a plurality of lances. Further, the present invention comprises a novel reactor design for use in selective reduction of nitrogen oxides in a gas stream.

REFERENCES:
patent: 2008/0196763 (2008-08-01), Gretta et al.
Kohl et al. “Gas Purification”, 1997, 5th Ed. p. 894-922.

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