Cyanide and oxygen are required to dissolve microscopic gold particles from finely ground ore at the gold mill. A slurry containing 50% by weight ore flows continuously through a series of large tanks to extract the precious metal.
On the CIL processing of free milling oxide gold ore, how far I can drop the free cyanide concentration in the leach tank#1? In order to minimize the cyanide consumption without any impact on gold recovery!
Carbon-in-pulp (CIP) is the sequential leach then absorption of gold from ore. During the CIP stage, pulp flows through several agitated tanks where sodium cyanide and oxygen have been added to dissolve gold into solution.
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