| 发明名称 |
RECOVERY OF GOLD AND / OR SILVER AND BISMUTH , IF CONTAINED , CONTAINED IN SULFIDE ORE AND / OR SULFOARSENIDE |
| 摘要 |
<p>The present invention relates to a process for the recovery of gold and/or silver and possibly bismuth contained in sulfuretted ores and/or sulfoarsenides, wherein said ores, after having been subjected to a reducing roasting, then to an oxidizing roasting then a possible crushing, are treated by a first lixiviation with sulfuric acid followed by a lixiviation with thiourea under precise conditions of operation.</p> |
| 申请公布号 |
JPS5723041(A) |
申请公布日期 |
1982.02.06 |
| 申请号 |
JP19810082584 |
申请日期 |
1981.06.01 |
| 申请人 |
MIN E PURODEYUI SHIMIKU DO SAR |
发明人 |
MARUSERU RUSOWAARU |
| 分类号 |
C22B11/00;C01G5/00;C01G7/00;C22B3/00;C22B3/08;C22B3/16;C22B30/04;C22B30/06 |
主分类号 |
C22B11/00 |
| 代理机构 |
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| 主权项 |
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