| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a recycling method of iron powder for arsenic removal, which is generally disposable. <P>SOLUTION: The recycling method of the iron powder for the arsenic removal comprises the step of contacting the iron powder containing arsenic with an alkaline aqueous solution, and next, of contacting the iron powder contacted with the alkaline aqueous solution with an acid aqueous solution. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
