recovery of gold by chlorine in black sand

If you live in an area with large deposits of black-colored sand, are you sitting on tons of gold that you can refine? Or if you work for a mining company that ...

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Report on the recovery of gold from black sand tailings, based on tests conducted at the U.S. Bureau of Mines' Alaska Station.

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75 Gold Recovery Methods Gold Hydrochloric Acid Scribd. Chlorine had been used to recover gold for a couple of hundred years, notably to leach .. separation to ...