| 发明名称 |
METHOD OF REMOVAL OF IMPURITIES FROM GOLD CONCENTRATE CONTAINING SULFIDES |
| 摘要 |
<p>The present invention focuses on the method for the removal of impurities, such as tellurium and bismuth, from gold concentrate containing sulfides. According to the present method, the impurities are leached from the gold concentrate with the aid of an acidic aqueous solution, at an elevated temperature, whereby the impurities dissolve and the gold remains in the concentrate.</p> |
| 申请公布号 |
WO0112865(A1) |
申请公布日期 |
2001.02.22 |
| 申请号 |
WO2000FI00680 |
申请日期 |
2000.08.10 |
| 申请人 |
OUTOKUMPU OYJ;LEIMALA, RAIMO;HYVAERINEN, OLLI |
发明人 |
LEIMALA, RAIMO;HYVAERINEN, OLLI |
| 分类号 |
C01B19/00;C22B3/04;C22B3/10;C22B30/00;(IPC1-7):C22B11/00 |
主分类号 |
C01B19/00 |
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