INCINERATION ASH TREATMENT SYSTEM AND INCINERATION ASH TREATMENT METHOD

摘要

PROBLEM TO BE SOLVED: To provide an incineration ash treatment system and a method, having a simple and inexpensive system, capable of suppressing effectively elution of a heavy metal in incineration ash.;SOLUTION: A treatment system of incineration ash generated in a waste incinerator having a drying area 5a for drying waste in the incinerator, a main combustion area 5b for burning the dried waste, an afterburning area 5c for after-burning embers, and an ash discharge part 6 for discharging incineration ash after afterburning, has a reactant feeding device 10 for feeding a reactant containing silica sand and flux to the incineration ash in the afterburning area.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2018,JPO&INPIT