It is found that CaO decomposed CaCO3 favors the conversion reactions of NH3 from coal volatile to NO, as well as unstable N2O to rather stable NO.

• 认为在氧化性燃烧气氛中,石灰石产生的氧化钙能促进挥发分中的 NH3氧化生成 NO,并促进 N2O 转变成在高温下更稳定的 NO,造成烟气中 NOX浓度增高。