During the cyanidation process of ore, the surface of gold particles is in contact with the cyanide ore slurry, and the surface of gold particles may form sulfide film, peroxide film , oxide film, insoluble cyanide film, etc. Surface passivation significantly reduces the oxidation and leaching speed of the gold ...
The gold containing solution is collected from the liner into a leach pond and sent off to carbon adsorption. The leaching process will take from 60 90 days. High grade ore is typically reserved for agitated leaching. ﬁ nely ground ore is combined with the cyanide solution in a series of tanks.
Cyanide leaching of gold is carried out in very large mechanically stirred tank reactors. The reactor size can be up to 5000 m3. A typical agitator configuration is two downward pumping hydrofoil impellers, which requires a low mixing power input and results in low shear rates inside the reactor.
China Quartz Vein Gold Ore Leaching Tank for Cyanide Leaching, Find details about China Gold Ore Leaching Tank, Gold Cyanide Leaching Tank from Quartz Vein Gold Ore Leaching Tank for Cyanide Leaching Zhengzhou Hengxing Heavy Equipment Co., Ltd.
In the case of CIP processing, the slurry is leached by cyanide or other chemicals in several leaching tanks, and then the slurry enters the adsorption tank loaded with activated carbon to recover the gold in the solution. In the case of CIL processing, leaching and adsorption are carried out simultaneously in a number of tanks.
The amount of ore to be processed was fixed at 13 kg per column. This ore was placed on a bed of quartz about 2.5 cm thick. Prior leaching, the ore was pretreated during around five days. The flow rate was checked twice a day. A composite sample was taken and analysed for copper, iron and free sulphuric acid at the end of the process.
Quartz Vein Gold Ore Process Equipment By Cyanide Leaching : Cyanidation can recycle 97% of precious metals in the ore, the purity can reach 99.9%, is the international advanced method to choose gold. In This , we use processing 500 t of gold ore for one day as example: