Gold Processing Plant

ZENITH work together with the famous laboratory in China to design and deliver the gold leaching plant. It help the mine factory to extract a major part of the residual gold contained in gold ore or some tailings. Here is the brief introduction of this very popular gold ore processing technology in the world. We do beleive that your gold ore processing business will be more sucessful by choosing ZENITH.

The CIL process technology

The ore is ground into 75 microns particle size with passing rate is 80% (D80), the unrecovered gold from the grinding circuits are directed to the leaching plant and dissolved in an aerated sodium cyanide solution. The solubilized gold is simultaneously adsorbed onto coarse granules of activated carbon directly in the pulp in the so-called Carbon-In-Leach process (CIL). The loaded carbon is treated at high temperature to elute the adsorbed gold into the solution once again. The gold-rich eluate is fed into an electrowinning circuit where gold and other metals are plated out onto cathodes of steel wool. The loaded steel wool is pretreated by calcination before it is mixed with fluxes and melted. Finally, the melt is poured into a cascade of molds where gold is separated from the slag.

Gold Processing Plant

Gold Processing Plant

Process benefits

The CIL process utilizes safe and reliable technology and provides flxibility on raw materials analysis. It requires low inventory of precious metals. In addition, it ensures short processing time and low operating costs. 

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