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Leaching and heap leaching ponds:



Heap leaching is a hydrometallurgical technique that often has lower operational costs than more conventional processing technologies and is increasingly being considered both in the design of new mines. 

Heap leach facilities which consist of several ponds containing acids, may put environment to significant risks. Poor design and mismanagement in sealing of this method ponds’ will result in extensive environmental damage, particularly to the water environment, downstream ecosystems and users. 


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