| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a treatment method of slag capable of effectively suppressing the elution of fluorine from granulated blast furnace slag and implementing at a low cost without using a special equipment, a treatment agent or the like. <P>SOLUTION: In this treatment method of slag, steel slag (B) which contains a mineral phase containing calcium and phosphorus and has the fluorine content of 0.15 mass% or less is added to granulated blast furnace slag (A) and fluorine is fixed in slag by forming a hardly soluble compound containing fluorine from components contained in granulated blast furnace slag (A) and steel slag (B). <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
