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Electrorefining refers to the process of using electrolysis to increase the purity of a metal extracted from its ore ... gold, and lead. Each of ...

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Electrowinning, also called electroextraction, is the electrodeposition of metals from their ores that have been put in solution via a process commonly referred to as ...

Copper extraction techniques - Wikipedia, the free encyclopedia . Copper extraction techniques refers to the methods for obtaining copper from its ores.

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Electrowinning is the recovery of metals, such as gold and silver, from solution by passing a current through the solution. Electrons from the current chemically ...

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