Reduction method of dioxins in fly ash of waste incineration facilities

摘要

PROBLEM TO BE SOLVED: To provide a method of reducing dioxins in fly ash generated by refuse incineration equipment 1.;SOLUTION: The method of reducing dioxins in fly ash is characterized by bringing porous potassium carbonate of an average particle size of 1-50 μm, a specific surface area of 1.0-3.0 m²/g and a total volume of pores of 0.1-1.0 μm diameters of ≥0.08 mL/g and calcium hydroxide of an average particle size of 0.1-20 μm into contact with the fly ash generated by refuse incineration equipment 1 in the flue 4 at temperatures equal to or higher than 100 and lower than 300°C.;COPYRIGHT: (C)2006,JPO&NCIPI