Boiler operation with decreased NO.sub.x and waste water dischar

Details Boiler operation with decreased NO.sub.x and waste water dischar Boiler operation with decreased NO.sub.x and waste water dischar

1996-03-11

1997-04-01

Lander, Ferris

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

C01B 2100

Patent

active

056163070

ABSTRACT:
Pollution from industrial plants which produce NO.sub.x and waste water is reduced by utilizing waste water to prepare aqueous NO.sub.x -reducing solutions. Total water hardness in the waste water is preferably maintained below 2500 ppm, silicate below 200 ppm and the calcium to magnesium ratio above 2:1. The aqueous NO.sub.x -reducing solution will preferably contain hardness suppressing compostions in effective amounts.

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Translated abstract of above Japanese patent.

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