| 发明名称 |
Process for the removal of cobalt impurities from zinc sulphate solutions. |
| 摘要 |
A process for the removal of cobalt impurities from zinc sulphate solution is disclosed. The process comprises the step of carrying out cementation of the cobalt impurities on zinc dust in a high pressure vessel at a temperature between 98 DEG C and about 150 DEG C, preferably between 120 and 130 DEG C. <IMAGE> |
| 申请公布号 |
EP0641741(A1) |
申请公布日期 |
1995.03.08 |
| 申请号 |
EP19930202573 |
申请日期 |
1993.09.02 |
| 申请人 |
NORANDA INC. |
发明人 |
HOULACHI, GEORGE;LEROUX, GERRY;SAINT-ONGE, JEAN PIERRE |
| 分类号 |
C01G9/06;C22B3/46 |
主分类号 |
C01G9/06 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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