Froth Flotation (Sulphide & Oxide)

Froth Flotation (Sulphide & Oxide)

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High mercury in Copper/gold concentrate (3 replies)

J
joshuasungsu
2 months ago
joshuasungsu 2 months ago

I am working for Cu/gold mine. We have an unusual high mercury in our concentrate.

We had below 1 ppm mercury but we had over 40 ppm mercury. Do you know how to depress mercury in the mill?

David
2 months ago
David 2 months ago

What is your mercury associated with?

 

J
joshuasungsu
2 months ago
joshuasungsu 2 months ago

We are waiting for minerology analysis. It might mercury cinnabar. 

David
2 months ago
David 2 months ago

Whatever mineral it is associated with, that mineral you need to avoid locking with your copper. Do you have a regrind?  Get liberation data on that side also. Your rougher concentrate needs 97% FREE feeding the cleaners. Not every mineralogist work with the same definition of liberated...

Definition https://www.911metallurgist.com/blog/mineralogical-liberation-in-mineral-processing

I trust https://basemetlabs.com/

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