Home > Terms > English, UK (UE) > Heap leaching
Heap leaching
The process of stacking ore in a heap on an impermeable pad and percolating through the ore a solution containing a leaching agent such as cyanide. The gold which leaches from the ore into the solution is recovered from the solution by carbon absorption or precipitation. The solution, after additions of the leaching agent, is then recycled to the heap to effect further leaching.
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- Part of Speech: noun
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- Industry/Domain: Mining
- Category: General mining
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