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.
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Mining on either federal, state, or private land is subject to the requirements of the Clean Air Act and the Clean Water Act.
Heap leaching is an extraction process by which chemicals (usually sulfuric acid) are used to extract the economic element from ore which has been mined and placed in piles on the surface.
Mark Heap | Imogen Heap | Charles Swinnerton Heap | Brian Heap | Sue Heap | Heap leaching |