Don hana yawan NOx bayan ƙonawa na kwal a cikin boiler, don haka haifar da muhalli mai girma gurɓataccen yanayi, ya kamata a yi maganin gas na hayaki bayan ƙonawa na kwal.

Gas Denitration Ka'idodin da Features

The denitration tsarin yafi hada da SCR reactor yankin, ruwa ammonia ajiya da kuma samar da yankin da kuma ta sarrafa tsarin. Wannan tsarin yana amfani da fasahar zaɓaɓɓen rage kayan aiki (SCR) don cire NOx daga hayaki. NH3 da NOx a cikin ma'auni, ta hanyar aikin mai haɓaka yana samar da N2 da H2O, ba zai haifar da gurɓataccen abu na biyu ba, kuma ba tare da sakamako ba, daidaitattun halayen sinadarai na asali kamar haka:

4NO + 4NH3 + O2

→ 4N2+6H2O

NO + NO2 + 2NH3

→ 4N2+6H2O

Abubuwan da suka shafi:

SO2+O2 → SO3