发明名称 |
Refining. |
摘要 |
Precious metal-containing concentrates are subjected to high temperatur e 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 |
ZA200003770(B) |
申请公布日期 |
2001.02.12 |
申请号 |
ZA20000003770 |
申请日期 |
2000.07.26 |
申请人 |
ANGLO AMERICAN PLATINUM CORPORATION LIMITED |
发明人 |
DEBORAH CAROL CRAIG;RICHARD ALASDHAIR GRANT |
分类号 |
C22B;C22B1/08;C22B5/12;C22B5/16;C22B9/05;C22B11/00;C22B11/02;C22B11/06 |
主分类号 |
C22B |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|