| 发明名称 |
Refining of precious-metal containing concentrates by chlorination |
| 摘要 |
<p>Precious metal-containing concentrates are subjected to high temperature chlorination using HCl gas, an optional reduction and treatment with chlorine gas, an oxidation and finally a reduction, to remove most of the base metals especially the amphoteric elements, Se, Te and As.</p> |
| 申请公布号 |
EP1072690(B1) |
申请公布日期 |
2003.11.19 |
| 申请号 |
EP20000305920 |
申请日期 |
2000.07.12 |
| 申请人 |
ANGLO AMERICAN PLATINUM CORPORATION LIMITED |
发明人 |
CRAIG, DEBORAH CAROL;GRANT, RICHARD ALASDHAIR |
| 分类号 |
C22B5/12;C22B5/16;C22B11/02;C22B11/06;(IPC1-7):C22B11/06 |
主分类号 |
C22B5/12 |
| 代理机构 |
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代理人 |
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