gold mining alternate gold mining alternative

  • Five alternatives to gold - MarketWatch

    Oct 8, 2010 ... There are also ETF trusts, like the ETFS Physical Platinum Shares PPLT, -0.81% as with gold and silver. There are few pure platinum miners,...

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    Oct 30, 2011 ... Dear EarthTalk: Most gold mining operations use cyanide to extract ... are the environmental implications of this, and are there alternatives?

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  • Making Gold Green: New Non-Toxic Method for Mining Gold ...

    May 14, 2013 ... EVANSTON, Ill. --- Northwestern University scientists have struck gold in the laboratory. They have discovered an inexpensive and...

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  • Mercury Poisoning in Artisanal Gold Mining - The Borgen Project

    Aug 30, 2015 ... Artisanal gold mining is the process of extracting metals from the ... as an alternate to farming; in other instances, gold mining is their sole source of livelihood. ... In absence of industrial purification, the next best alternative is...

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  • Breakthrough clean gold mining technique replaces cyanide with ...

    May 21, 2013 ... Mining gold's a dirty business. To extract gold from raw ore, a lot of cyanide is required, and wherever a lot of cyanide is found, there are also...

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  • Turning Gold 'Green' -- Non-Toxic Method For Mining Gold Developed

    May 15, 2013 ... The gold-mining industry is one of the most environmentally ... may have addressed this, with the discovery of an effective alternative to cyanide...

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  • Artisanal and Small-Scale Gold Mining Without Mercury - US EPA

    Dec 5, 2016 ... They may also help miners market their gold at higher prices. ... A simpler alternative to the zig zag sluice is a combination of two sluice...

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

    For over 100 years, cyanide has been the leach reagent of choice in gold mining because of its high gold recoveries, robustness and relatively low costs.

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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 ... “While thiosulfate has been investigated as a potential alternative for decades, having first been looked at for gold processing back in the 1970s...

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