发明名称 |
IMPROVEMENTS IN REFINING |
摘要 |
Precious metal-containing concentrates are subjected to high temperature chlorination using HCl gas, an optional reduction, an oxidation and finally a reduction, to remove most of the base metals especially the amphoteric elements. |
申请公布号 |
CA2314581(C) |
申请公布日期 |
2010.02.23 |
申请号 |
CA20002314581 |
申请日期 |
2000.07.26 |
申请人 |
ANGLO AMERICAN PLATINUM CORPORATION LIMITED |
发明人 |
CRAIG, DEBORAH CAROL;GRANT, RICHARD ALASDHAIR |
分类号 |
C22B11/00;C22B;C22B1/08;C22B5/12;C22B5/16;C22B9/05;C22B11/02;C22B11/06 |
主分类号 |
C22B11/00 |
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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