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    • 25. 发明专利
    • Exhaust gas processing method and exhaust gas treatment equipment
    • JP5299600B2
    • 2013-09-25
    • JP2007211777
    • 2007-08-15
    • 株式会社Ihi
    • 俊一朗 上野博之 鎌田俊之 内藤
    • B01D53/64B01D53/34
    • PROBLEM TO BE SOLVED: To provide an exhaust gas treating method and a treatment apparatus with which mercury can be highly efficiently removed regardless of the kinds of coal or properties of exhaust gas discharged from a combustion apparatus when burning the coal in the combustion apparatus like a boiler, and a further reduced cost can be achieved. SOLUTION: In the exhaust gas treating method for removing mercury contained in exhaust gas discharged from a coal-burning boiler B when burning fossil fuel like coal in the coal-burning boiler B, the fossil fuel carried from a coal storage yard 20 is fed to the combustion apparatus for combustion, and absorbing liquid is brought into contact with the exhaust gas discharged from the coal-burning boiler B to perform removal process like desulfurization, in a wet desulfurization part 7 disposed in a flue R from the coal-burning boiler B. The chlorine-containing absorbing liquid being the used absorbing liquid from the wet desulfurization part 7, is fed to at least one of the coal storage yard 20, coal-burning boiler B, and the flue R from the coal-burning boiler B to the wet desulfurization part 7. COPYRIGHT: (C)2009,JPO&INPIT