Froth Flotation (Sulphide & Oxide)

Froth Flotation (Sulphide & Oxide) 2017-04-04T06:57:31+00:00
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Cleaner scavenger stage in a copper cleaner flotation circuit (1 reply)

11 months ago
anyarko1129 11 months ago

I will like to know if there is rule in adding a cleaner scavenger stage in a copper cleaner circuit. I have seen copper flotation circuits with and without cleaner scavenger stages. Simply the circuit with the cleaner scavenger stage, tails from from the first cleaner is recycled back to  join the rougher feed and concentrate feeds the secondary cleaner stage and so forth. The circuit with the cleaner scavenger stage is fed by tails from the first cleaners and the concentrate from the cleaner scavenger joins the feed to the first cleaner, whilst the tails from the cleaner scavenger joins the rougher/rougher scavenger tails as the final tails. My question is what is the criteria for including or not including a cleaner scavenger stage in a cleaner flotation circuit.

11 months ago
David 11 months ago

Hi, is this an operating plant? What is your feed grade? What is the 1st cleaner tails assay? Much iron in the feed/tails? Regrind in place? What is your rougher %mass pull?

Many would says a good cleaner tails should be under half the feed grade assay.

You need to understand why the cleaner tails is higher than you wished. Know why, will allow to exploit the full potential. A cleaner scavenger may not be what you need or it may not be all you need.

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