Leaching In Gold Thickener For Ores Low Consumption
Leaching In Gold Thickener For Ores Low Consumption. Precious metals such as gold can be extracted from a refractory ore using a conventional cyanide leaching step and with reduced cyanide consumption by pretreating the ore prior to cyanide leachinghe refractory ore is pretreated by fine grinding and an initial leaching step which uses inexpensive limestone and lime to maintain the initial