FLOTATION OF MIXED COPPER OXIDE AND SULPHIDE MINERALS WITH XANTHATE AND HYDROXAMATE COLLECTORS

摘要

Many copper sulphide mines around the world have significant copper oxide ore re-serves associated with the larger primary copper sulphide deposit. The traditional techniques for processing oxide ores, either by leaching - SX/EW or flotation have caused many problems for these operations. Leaching - SX/EW requires capital expenditure to construct a dedicated plant to process oxide ore.