| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an exhaust gas treatment method for high-S oil burning boiler without using ammonia. <P>SOLUTION: The exhaust gas treatment method includes: denitrating oil combustion exhaust gas discharged from an oil burning boiler 2; introducing the denitrated exhaust gas into an air preheater 4 for heat recovery; introducing the exhaust gas from which the heat is recovered into an electric dust collector 5 and collecting dust contained in the exhaust gas; and desulfurizing the exhaust gas from which the dust is captured. SO<SB>3</SB>removing agent composed of an alkaline material is added to the exhaust gas from which heat is recovered from the upstream side of the electric dust collector 5. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
