Heap leachate discharged from the ore heap leaching, when containing a certain amount of gold, which should be gold recovery. Then, the lean liquid after the gold recovery is adjusted to the chemical component, and then returned to the leaching solution for use. The methods for recovering gold from the noble liquid include zinc displacement precipitation method, ion exchange resin adsorption method, direct electrolysis method, and activated carbon adsorption method. Select the recovery method depends on the nature of your solution, content and design of gold and silver technical and economic indicators. At present, the most commonly used in China is the activated carbon adsorption method.
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