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How to Extract, Separate Refine Gold ... You can mix the gold ore with sodium cyanide, which will attach itself to the gold and separate other elements such as zinc.
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Gold processing: Gold processing, preparation of the ore for use in various products. For thousands of years the word gold has connoted something of beauty or value.
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In all methods of gold ore refining, the ore is usually washed and filtered at the mine, then sent to the mill. At the mill, the ore is ground into smaller particles ...
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