Grinding & Classification Circuits

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How can one improve the leaching of black shale ore? (2 replies)

B

BrendonTop

8 months ago

BrendonTop 8 months ago

I have ore with high black shale and direct leaching is giving up low recoveries some as low as 9%. Is there any way of improving the leaching process?

Mike

8 months ago

Mike 8 months ago

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Black shale is organic-rich which will consume a large amount of cyanide.  Unfortunately the only efficient way is to remove the black shale from the leaching either by selective mining or a gravity circuit before the leaching.

B

BrendonTop

8 months ago

BrendonTop 8 months ago

Like

Thank you very much.

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