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To determine whether a certain type of ore is suitable for cyanidation or flotation and reselection, visual assessment is followed by various targeted experiments to obtain various data, ultimately determining the optimal processing method through comprehensive evaluation.
The entire process of cyanide leaching for gold extraction is as follows: The cyanide process involves using a reagent to react with the ore, dissolving the gold from the ore into the reagent solution. The gold is then adsorbed and replaced, initially concentrated, and then refined through smelting to obtain the final product of gold […]
The methods for cyanide gold extraction are pit leaching, heap leaching, and carbon slurry adsorption (CIP or CIL), which allow thorough mixing of reagents and ore.
The “cyanide” in cyanide gold extraction refers to the cyanide ion content.
No, it is not possible. Large gold particles cannot be dissolved by the reagents. It is necessary to first use gravity separation to recover the free gold particles before cyanidation.
The fineness of the ore is closely related to the recovery rate. The optimal fineness varies for pool leaching, flotation, and carbon slurry. The degree of oxidation and the size of the gold also determine the fineness variation. In conclusion, different ores have different optimal processing methods.
Activated carbon adsorption cannot be determined by time; it can only be judged based on assay results. There is no specific time standard for this process.
The minimum requirements for carbon slurry cyanidation are grade and recovery rate. It is crucial to conduct experiments to determine the optimal processing method for the ore.
The height of the ore heap in heap leaching should be determined based on the characteristics of the ore, which can vary significantly. The slope should be managed accordingly. It is preferable to choose a flat terrain for the heap.
For heap leaching, simple washing of the activated carbon is sufficient for use, or adding a small amount of activating agent during the adsorption process is enough. It’s a simple process that doesn’t require special treatment, or you can simply provide the customer with high-quality water-washed carbon.
Xi’an Dasen Mining Machinery & Equipment Co., LTD
Tel: +86-29-8113 7393
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