| 摘要 |
<p>The invention relates to a method for the extraction of metals from chalcopyrites ores with microbiological- and chemical type leaching steps for dissolution of the metals, characterized in that comprises a conversion step, when, prior to the leaching steps, the ores are converted to covellite, pyrites and admixed sulphides at a temperature between room temperature and 440 degree C, and a step where copper and other metals, noble metals and rare earths contained in the reaction product are extracted.</p> |
