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Gold CIP Production Line

gold-CIP-plant



1. Introduction


gold_CIP_production_line_1

Gold Carbon-in-pulp (CIP) production 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. In the absorption stage, this solution flows through several agitated tanks containing activated carbon. Gold absorbs onto the activated carbon, which flows countercurrent to the pulp, while screens separate the barren pulp from the gold-loaded carbon.





Gold CIP Production Line adsorbs recovery gold from cyanide pulp by activated carbon. It includs 7 steps: leaching pulp preparation, cyaniding leaching, carbon adsorption, gold loaded carbon desorption, pregnant solution electrodeposit, carbon regeneration, leaching pulp.


2.Application

There are two kinds of ore suitable for gold CIP production line: flotation gold concentrate, amalgamation and gravity tailings; mudded oxidized ore.


3.Process Description

3.1. Impurity removing

--Before the adsorption of cyaniding pulp, remove the wood chips to avoid it adsorbs the gold and blocks the carbon screen.

 3.2. Leaching and adsorption

--Adding carbon in the leaching tank; the carbon absorbs gold becoming gold loaded carbon. After adsorption, carbon screen separates the carbon and pulp.

 3.3. Desorption electrolysis

--Under high temperature and pressure, gold loaded carbon separates gold mud and carbon in closed system.

 3.4. Smelting

--After simple pickling and impurity removal, the gold ingots are obtained.


In the process of carbon-in-pulp adsorption occurs after the leaching of mineral ore slurry in a tank. And during the washing, the carbon-in-leach and adsorption occur simultaneously. In both processes mineral ore leaching slurry will be transferred from one tank into the recovery tank of carbon using a pumping machine. This is generally accomplished by passing the slurry through a series of adsorption vessels coupled with the periodic transfer of carbon, usually associated with pulp, and in the opposite direction. Column tanks are often used consists of a large carbon column (diameter 5 to 8 feet) and 15 to 20 feet in height, and filled with activated carbon. Minimum load of carbon rule of thumb is one pound of activated carbon per 0.1 ounces of gold are present in solution, and usually it's a few pounds per 1 / 10 ounce.


4. Process Flow

gold_CIP_production_line



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