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milling circuit consists of a rod mill followed by a ball mill in series. Crusher product ( 9 mm) is fed to the rod mill, and the water is fed in ratio to the ore feed mass. The rod mill discharge is pumped, without any further water addition, to the first ball mill. The ball mill discharges to a sump where water is

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USING THE SMC TEST TO PREDICT COMMINUTION CIRCUIT PERFORMANCE INTRODUCTION As the SMC Test produces the JK parameter values A and b as well as estimates the JK parameter ta and crusher model energy matrices, the SMC Test can be used to conduct AG/SAG mill and crusher circuit simulations through the use of JKSimMet. Independent

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The rod mill test gave RWilab of 14.5 kWh t 1 and a ball mill work index BWilab of 13.8 kWh t 1. Accepting that the rod mill work index applies to size reduction of the circuit feed down to the rod mill test product P 80 of 1050 m and that the ball mill work index applies from this size to the circuit

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