| 发明名称 |
A METHOD FOR THE REMOVAL OF CALCIUM FROM A ZINC PROCESS SULPHATE SOLUTION |
| 摘要 |
<p>The invention relates to a method for removing calcium from a sulfate solution in the zinc production process. Calcium is removed as an anhydrate from the raw solution coming from concentrate or ore leaching before the solution purification stages.</p> |
| 申请公布号 |
EA005566(B1) |
申请公布日期 |
2005.04.28 |
| 申请号 |
EA20030000989 |
申请日期 |
2002.03.08 |
| 申请人 |
OUTOKUMPU OYJ |
发明人 |
TALONEN, PANU |
| 分类号 |
C02F1/58;C01F11/46;C22B3/08;C22B3/44;C22B9/20;C22B19/00;C22B19/20;C25C1/16;C25C7/06;(IPC1-7):C22B3/08 |
主分类号 |
C02F1/58 |
| 代理机构 |
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