Environmental Impacts of Mining and Smelting - Gold extraction with BORAX for small-scale miners - …
copper a couple of iron nails are added to the mix. The metal in the nails reacts with the metals in the sulfides reducing the metals to their metallic state.Learn how to make more gold with borax instead of mercury. Description of a new environmentally beneign gold extraction method which will make use of mercury...More than ten million small-scale miners (SSM) worldwide use mercury to extract gold,
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