| 摘要 |
PROBLEM TO BE SOLVED: To provide a heavy metal insolubilization method capable of suppressing elution of a heavy metal effectively, while taking properties peculiar to fluid bed fly ash in consideration.SOLUTION: In a heavy metal insolubilization method in fluid bed fly ash, a layer is formed so that the fluid bed fly ash has a thickness of 5 mm or more without using an additive other than an excipient, and then fired at the temperature of 700-1,100°C.SELECTED DRAWING: None |
