SNCR system

flue gas SNCR system

Category DeNOx

Product Details

SNCR system is to achieve flue gas denox without catalyst. Its full name is selective non-catalytic reduction. Under temperature 850~1100℃, reducing agent ammonia or urea sprayed into boiler furnace could react with NOx selectively, and form N2 and H2O. NOx removal efficiency ranges 25~50%.

When ammonia is used:

4NH3 + 4NO + O2 → 4N2 + 6H2O

When urea is used:

(NH2)2CO → 2NH2 + CO

NH2 + NO → N2 +H2O

2NO + +CO → N2 + 2CO2

Ammonia based SNCR system

Urea based SNCR system

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