HYDROMETALLURGICAL PROCESS FOR THE RECOVERY OF COPPER FROM SULPHIDE ORES BY OXIDATION WITH OR OXYGEN IN AMMONIACAL SOLUTIONS

摘要

A process for the ammoniacal leaching of sulphide ores or concentrates to recover metals therefrom to form soluble complex, amines, the process including the step of treating the materials suspended in ammoniacal solutions with air or oxygen at or near atmospheric pressure and at or near ordinary atmospheric temperatures.