| 摘要 |
<p>A process for the extraction of a metal from an ore or concentrate comprises subjecting the ore or concentrate to pressure oxidation in the presence of oxygen and an acidic solution containing halogen ions and a source of bisulphate or sulphate ions, such as H2SO4. The metals which can be extracted by the process comprises copper, as well as no n- cuprous metals, such as zinc, and precious metals, such as gold and silver.</p> |
