Hydrometallurgy: Leaching in Heap, Vat, CIL, CIP, Merrill–Crowe, SX Solvent Extraction

Hydrometallurgy: Leaching in Heap, Vat, CIL, CIP, Merrill–Crowe, SX Solvent Extraction 2017-04-04T06:57:36+00:00
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Inter stage screening (2 replies and 3 comments)

Irene Ibz
7 months ago
Irene Ibz 7 months ago

Hello, apart from arranging regular screen maintenance, how can I check for interstage screen leakage manually during the shift?

ManUtd67
7 months ago
ManUtd67 7 months ago
2 likes by David and Colette

I am assuming the intertank screens are of the rotating basket type (swept in tank rotating screens).  Sample the discharge on a shift basis and manually screen at say 0.5mm.  If you observe carbon on the screen then you have a leak.

Irene Ibz
6 months ago

Thanks so you mean the oversize or undersize?

mashudu
6 months ago

no carbon is suppose to be visible when you do the check on the discharge sample, if any carbon is visible it will mean : 1. if its finer than the screen appeture it will mean you are creating fines in your system,2.if its coarser than the screen appeture then it will mean you have leaks.

GeoffC
7 months ago
GeoffC 7 months ago

A quick check can be carried up by placing something as simple as a kitchen type wire sieve fixed to a pole into the discharge stream to see if carbon granules are escaping. Construction of similar implements with a proper screen mesh can usually be quickly made on a mine site to do the same job.

Irene Ibz
6 months ago

Thanks for the good idea


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