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Estimate the power require to grind 100 tonne/h ore in a ball mill operating circuit with hydro cyclone at a

circulating load of 300%.Rod mill discharge has a P80 of 0,25''.Flotation feed size required correspond to 80% -65 mesh.The bond work index ,Wbm is determined to be 14.7kWh/Tonne.For simplicity,consider the product of all efficiency for power estimation to be equal to 1 and 10% ext for drive efficiency

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