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gold mine of electronic waste

Jan 23 2020 · There are two current industry standards for removing gold from electronic scraps The first is pyrometallurgy which burns the gold off using high temperatures This method is energy intensive cost prohibitive and releases dangerous gases like dioxins

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  • Why failing to recycle electronics leaves gold mines

    Apr 23 2018 · The majority of electronic waste is metaldominated iron copper aluminum and then plastics of course In much smaller amounts you have more precious metals like copper silver gold

  • Urban Mining The Electronic Waste Gold Mine

    Urban Mining The Electronic Waste Gold Mine Millions of dollars worth of gold and silver and sitting in landfills around the world The precious metals are hidden away in the components that make up our outdated laptops cellphones and other discarded electronics

  • Chart Mining Gold From EWaste Statista

    Electronic Waste Worldwide The International Telecommunications Union ITU estimates that all waste from electronic devices worldwide could be worth some 55 billion euros One of

  • Sustainable technique recovers gold from ewaste cheaply

    There are two current industry standards for removing gold from electronic scraps The first is pyrometallurgy which burns the gold off using high temperatures This method is energy intensive

  • A better way to mine gold from old electronics

    Aug 31 2016 · The toluene solvent pulls the gold free from the other materials in the acid wash where the metal can be recovered and used again Likewise the solvent and acid can be reused cutting down on waste

  • Ewaste a gold mine of opportunities The Hindu

    Dec 02 2018 · Take mobile phones for example one tonne of electronic cards can contain up to one kilogramme of gold five kilogrammes of silver nine kilogrammes of tantalum and 250 kilogrammes

  • Gold Mining Waste Wastes US EPA

    The document describes gold extraction and beneficiation operations with specific reference to the waste and materials associated with these operations and the potential environmental effects that may result from gold mining

  • MineworX Gold Recovery from Electronic Waste

    Traditional mining depends on the utilization of large amounts of toxic cyanide while present EWaste recycling depends on other highly toxic chemicals and processing has never been an ecofriendly costeffective gold extraction process in either traditional mining nor in the currently explosive EWaste recycling markets

  • How to Extract Gold From Electronics 11 Steps with

    After filtering out all the gold pour out the excess water into your hazardous waste bottle that will be disposed of properly and continue to run regular water through the filter to clean the gold Make sure all water that is mixed with the etching solution is contained

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