Question

A cyclone is operated in a closed circuit with a ball mill. The cyclone is feed from a rod mill with a slurry that has a density of 1250 kg/m3 while the solid bulk density is 2900 kg/m3. Cyclone overflow goes to flotation circuit consists of a rougher, a scavenger and one cleaner cell. The slury feed to the rougher has 15% solids (overflow) while the feed to ball mill (underflow) from the cyclone has 50% solids with a mass flow rate of 40 t/h.
• Draw a possible flow sheet of the process
• Calculate the mass flow rate of the feed from rod mill to cyclone (hint: you need to calculate % solids in feed and dilution ratios)
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Answer 1

Here is the flow sheet. Hope this helps have a great day!!