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  • Artisanal and Small-Scale Gold Mining Without Mercury ...

    In many countries, elemental mercury is used in artisanal and small-scale gold mining. Mercury is mixed with gold-containing materials, forming a mercury-gold amalgam which is then heated, vaporizing the mercury to obtain the gold. This process can be very dangerous and lead to significant mercury exposure and health risks.

  • What is the role of cyanide in mining MiningFacts.org

    The mining industry has used cyanide to process ore for more than 120 years, and uses less than 20% of the global production of industrial cyanide. Role of cyanide in ore processing

  • Mining Wikipedia

    this new process has a milder environmental impact and that, besides gold, it can be used for capturing other metals such as platinum and palladium," and could also be used in urban mining processes that remove precious metals from wastewater streams.

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