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refining gold from black sand slovakia

May 01 2014 · At other times the only way to separate the gold is to immerse quantities of black sand in chemical baths – a process called wet chemical extraction The more complex the separation process the higher the cost becomes of extracting each troy ounce of gold Is It Worth Extracting Gold from Your Black Sand Again the answer is it depends... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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