HEAVY METAL INSOLUBILIZATION METHOD IN FLUID-BED FLY ASH, AND MANUFACTURING METHOD OF CONSTRUCTION MATERIAL HAVING INSOLUBILIZED HEAVY METAL

摘要

PROBLEM TO BE SOLVED: To provide a heavy metal insolubilization method capable of suppressing elution of a heavy metal effectively in consideration of a property peculiar to fluid-bed fly ash.SOLUTION: In a heavy metal insolubilization method in fluid-bed fly ash, after granulating the fluid-bed fly ash without using an additive other than an excipient, the obtained granulated material is fired at the temperature of 800-1,100°C.SELECTED DRAWING: None