extracting gold from copper

  • Eliminating Copper from Gold Ore

    When reviewing Methods of Eliminating Copper from Gold Ores we see that several methods have been suggested to eliminate copper from ores prior to cyanidation Preliminary extraction of the copper with sulphuric or sulphurous acids may be applicable to ores containing oxidized copper minerals such as malachite azurite and chrysocolla but these acids have but little effect on sulphide copper

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  • How Is Gold Extracted From Gold Ore? Sciencing

    Gold is usually found alone or alloyed with mercury or silver but can also be found in ores such as calaverite sylvanite nagyagite petzite and krennerite Most gold ore now comes from either open pit or underground mines The ores sometimes contain as little as 5/100 of an ounce of gold

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  • Extracting Gold from Copper Tailings Gold Refining Forum

    We have some copper tailings in large quantity and as per the analysis there is roughly 29 grams per ton of Gold and some other metals such as Iridium Platinum and Palladium Can anyone suggest what would be the best method of extracting the gold iridium platinum and palladium separately from the entire lot?

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  • How do you extract gold from copper ore Answers

    At one time mercury WAS used to extract gold from gold ore The rock was crushed and washed over a copper sheet coated with mercury Gold forms an amalgam with mercury and some of the gold

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  • Extracting gold from copper

    Extracting gold from copper 2006 Q My name is Tommy I just got a job at a train yard we move a lot of copper concentrate through our yard which inevitably spills here and there Someone at work told me that the concentrate (a granular substance) is copper that has just been taken from the mine and has yet to be refined.

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  • Extracting Gold from Dirt Gold Sluicing and History of

    In this video I explore both the origin of money and learn how to extract my own precious metal from the earth Thank you to Alan Chenworth for his help check out his book to learn more about

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  • How to Extract Precious Metals From Sulfides Sciencing

    How to Extract Precious Metals From Sulfides Employ bioleaching for base metals such as zinc copper and nickel or mineral bioxoidation to enhance extraction of gold and silver Both methods rely on bacterium such as hiobacillus ferrooxidans to recover precious metals For example stack ore in piles 200 feet deep.

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