carbon in leach circuit


The process design of gold leaching and carbon-in-pulp

The carbon-in-leach CIL process illustrated in Figure 3 is a variation of the CIP process. In this process carbon is added directly to the leach circuit so that the leaching and adsorption processes proceed simultaneously.

Leaching and Adsorption Resource Book

The CIL Carbon in Leach circuit is an intermediate stage in the production of gold. The process involves dissolving the solid gold particles into solution using a process know as cyanidation. The dissolved gold in solution is adsorbed onto activated carbon.

Definition of carbon-in-leach process

Definition of carbon-in-leach process A process step wherein granular activated carbon particles much larger than the ground ore particles are introduced into the ore pulp. Cyanide leaching and precious metals adsorption onto the activated carbon occur simultaneously.

Simulation and Analysis of Carbon-in-Leach CIL Circuits

Carbon in leach CIL is an important process in gold processing involving simultaneous leaching and adsorption. The process holds the key to profitability in gold extraction. While the mechanism of leaching and adsorption are well known the effect of different operating and design parameters on the CIL circuit performance is still empirical.

Modeling and optimization of Carbon in leach CIL circuit

Carbon in leach CIL is an important step in gold processing that involves simultaneous adsorption and leaching. While the mechanism of leaching and adsorption are well known the effect of different operating and design parameters on the dynamics and performance of CIL circuit are not yet studied.

Carbon-In-Leach Jacobi Carbons

This method is often employed when native carbon as organics is present in the gold ore and adsorbs the leached gold preventing its recovery. The activated carbon used in the carbon-in-leach circuit preferentially adsorbs the gold over the native carbon and allows the gold to eventually be recovered for stripping.

Gold Carbon In Leach Plant Updated January 2017

A flowsheet showing the Carbon In Leach CIL process This circuit utilizes a thickener to maintain a constant percent solids in the ore feed necessitating less water used in the process smaller tanks and a smaller pond. It also gives much more control over the process that a conventional CIL plant without a thickener.

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carbon in leach circuit