“The link between level control and profitability on a flotation concentrator is often under-estimated or even overlooked, and yet accurate control measurement is the key to increased lifespan for plant and plant equipment, thereby increasing its operational profitability” said Richard Rule, Director of eDart Slurry Valves (Pty) Ltd, based in Jet Park, Johannesburg. The purpose of a flotation concentrator is to recover the most amount of valuable mineral to the concentrate, whilst at the same time keeping the quantity of concentrate down to a minimum, which enables the highest recovery of valuable mineral at the desired grade to be achieved. This is known as the ‘grade/recovery curve’ for the concentrator.
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