发明名称 |
Upgrading of precious metals comcentrates and residues |
摘要 |
<p>A process for upgrading a precious metals-containing concentrate or residue results in near-quantitave removal of base metals and several impurity elements at elevated temperatures. The precious metals-containing concentrate or residue is exposed to oxygen or an oxygen-containing environment in an oxidative pre-treatment step followed by treatment with a hydrochlorinating agent in a hydrochlorination step to form an upgraded concentrate or residue.</p> |
申请公布号 |
GB201300212(D0) |
申请公布日期 |
2013.02.20 |
申请号 |
GB20130000212 |
申请日期 |
2011.06.17 |
申请人 |
ANGLO PLATINUM MANAGEMENT SERVICES (PTY) LIMITED |
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