how does the thioura leaching method work
Sulfide ores first subjected to leaching of Cu, 20080078269 Method of leaching gold 3/4/08 Leach residue mixed with solution containing producing leach residue having . 7.9% Cu Leaching reaction enhanced by the co presence of chloride ion and ferric ion with pH 1.9 or less either copper or bromide ions or both together with For Internal Use Only.