| 发明名称 |
METHOD AND EQUIPMENT FOR TREATING ASHES |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method and equipment for treating ashes, by each of which iron or aluminum can be made to remain in ash as much as possible and useful metals such as copper, lead, zinc and cadmium can be extracted selectively at a low cost. <P>SOLUTION: This method for treating ashes comprises the steps of dissolving ashes in a chloride ion-containing aqueous solution in the presence of sulfuric acid and extracting useful metals in ashes. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
| 申请公布号 |
JP2006035156(A) |
申请公布日期 |
2006.02.09 |
| 申请号 |
JP20040221426 |
申请日期 |
2004.07.29 |
| 申请人 |
TAKUMA CO LTD;HOKKAIDO TECHNOLOGY LICENCE OFFICE CO LTD |
发明人 |
MISHIMA KOJI;TSUNEKAWA MASAMI;HIROYOSHI NAOKI |
| 分类号 |
B09B3/00;B01D11/02;C22B3/44;C22B7/02;C22B13/00;C22B15/00;C22B17/00;C22B19/20 |
主分类号 |
B09B3/00 |
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