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solutions to negative impacts of gold mining

solutions to negative impacts of gold mining

How is cyanide used inmining? A sodium cyanidesolutionis commonly used to leachgoldfrom ore. There are two types of leaching: Heap leaching: In the open, cyanidesolutionis sprayed over huge heaps of crushed ore spread atop giant collection pads. The cyanide dissolves thegoldfrom the ore into thesolutionas it trickles through the heap

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