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  • Non-toxic corn starch could replace cyanide in gold mines - Gizmag

    May 14, 2013 ... A newly-developed process gives gold mines an alternative to using highly-toxic cyanide for extracting gold from low-grade ore.

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  • Going for gold: Alternative processing methods - Australian Mining

    Jan 17, 2014 ... Importantly, unlike coal processing, gold processing currently involves the use of environmentally hazardous cyanide, adding a raft of legal and...

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  • Cyanide Free Gold Leaching Alternative - Mineral Processing ...

    Aug 6, 2015 ... What is cyanide and why do we need cyanide-free gold leaching process ... Consequently, mining projects that would have been economical in...

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  • What is the role of cyanide in mining

    It has been used by the mining industry to separate gold and silver particles from ore ... [3, 4] Cyanide leaching is considered to be a much safer alternative to .... safely used, the mining industry continues to research alternatives to cyanide and...

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  • Alternatives to cyanide in the gold mining industry: what prospects ...

    Alternatives to cyanide in the gold mining industry: what prospects for the future ... The most widely researched alternative lixiviants for gold ores are examined in...

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