2018-07 – Instrumentation and Control

Slurry control valves for level control

Froth level control is extremely important on flotation machines as it directly relates to efficiency of the plant. If the froth level is too deep then the grade of the concentrate will increase and at the same time recovery drops off. When the froth level is too shallow the recovery will improve but a lot more concentrate will be produced at a lower grade. The aim is to produce concentrate at the optimum grade, which will result in the highest efficiency of the plant. more…

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