当采用低氮燃烧技术后，氮氧化物排放浓度不达标或不满足总量控制要求时，应建设烟气脱硝设施。

After Low NOx Combustion Technologies, if the NOx level still cannot meet the emission standard or total emission reduction requirement, the unit should install flue gas deNOx facility.

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成熟的燃煤污染控制技术主要应用于发电厂，包括脱硫、脱氮工艺或低氮燃烧。

Mature technologies are applied to power plants including desulfurization, denitrification and low nitrogen combustion procedures.

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