| 摘要 |
<p>In accordance with the present invention there is provided a method for the heap leaching of base metals from oxide ores, the method characterised by the method steps of: a) Establishing at least one heap of the oxide ore containing the base metals to be leached; b) Irrigating at least one of the or each heaps with a leach solution containing both sulphuric acid and dissolved sulphur dioxide; and c) Providing at least one leach solution pond or other suitable container to which pregnant leach solution recovered at or near a base of the or each heap may be fed.</p> |
