IMPROVEMENTS TO PRECIOUS METALS RECOVERY FROM ORES

摘要

A process for recovery of a precious metals containing mineral from a non-sulphidic gangue mineral comprising: preparing a pulp of a material containing the precious metals containing and gangue minerals; conditioning the pulp with an oxidising gas containing a gas selected from oxygen and ozone; and subjecting the conditioned pulp to a flotation operation for recovery of the precious metals containing mineral.