Ragewa mara amfani da sinadarai (sncr): ƙa'ida: ba tare da amfani da mai haɓaka ba, ana amfani da ammoniya ko urea ko wasu masu ragewa a cikin zafin jiki na murhu na 850-1100 °C don rage nitrogen oxides zuwa gas nitrogen.
1.high nox cire inganci da cirewa kudi na scr Hanyar za a iya kiyaye tsakanin 70% da 95%, da kuma nox fitarwa taro za a iya rage zuwa kusa da 50mg / m3, yin shi wani m flue gas denitrification fasaha. 2. low na biyu gurbatawa da asali manufa shi ne don amfani da wani rage wakili don rage NOX zuwa maras guba da kuma m n2 da kuma h2o,da ammoniya leakage ne low (0-8mg/nm3). 3. fasaha ta yi girma sosai kuma ana amfani da ita sosai an yi amfani da ita sosai a cikin gida da kuma ƙasashen waje, kuma ana amfani da ita sosai a cikin gas, mai, da kuma tukunyar tukunyar kwal.