sulfuric acid leaching?
Similar to copper oxide heap leaching, also using dilute sulfuric acid. Rio Tinto is commercializing this technology in Namibia and Australia, the French nuclear power company Areva in Niger (two mines) and Namibia, and several other companies are studying its feasibility. - read more
Environmental Impact of Sulfuric Acid Leaching. The electro-winning system [SX-EW] is a step in the right direction as the mining industry attempts to develop methods that have less of an impact on the environment. - read more
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