SCR reactant injection grid

Details SCR reactant injection grid SCR reactant injection grid

1998-08-11

1999-11-23

Leung, Philip H.

Liquid heaters and vaporizers

Miscellaneous

110215, 110345, 422171, 422172, F22B 100

Patent

active

059881151

ABSTRACT:
A system and method of injecting an ammonia or urea reactant into a flue gas stream in a steam generating power plant that utilizes Selective Catalytic Reduction (SCR) to lower NO.sub.x emissions and more specifically the injection of the reactant in such a manner that a more uniform mixing of the reactant with the flue gas stream is achieved more rapidly thereby increasing the efficiency of the catalytic reduction process and further a method of increasing the amount of reaction that takes place between the reactant/flue gas mixture and the catalytic material.

REFERENCES:
patent: 4309386 (1982-01-01), Pirsh
patent: 5313895 (1994-05-01), Sekiguchi et al.
patent: 5555849 (1996-09-01), Wiechard et al.

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