| 摘要 |
PROBLEM TO BE SOLVED: To provide a treatment method for heavy metal-containing ash, which can stabilizes further fly ashes, or the like, little in alkali content produced in burning, melting, or baking a waste material to improve a long-term stability. SOLUTION: The treatment method for heavy metal-containing ash by adding a pH adjuster and a pH stabilization agent provided is such a method wherein the degree of an acid of the heavy metal-containing ash is measured, and an amount of the pH adjuster and/or pH stabilization agent added to the heavy metal-containing ash is determined corresponding to the measured degree of the acidity. COPYRIGHT: (C)2006,JPO&NCIPI |
