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iron ore ball mill and screening procedure

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iron ore ball mill and screening procedure
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Procedure for determination of ball Bond work index in the Jan 01, 20090183;32;In the determination of ball mill work index 15 kg of representative ore at 100% + 3.35 mm is crushed to 100% − 3.35 mm (Amtech, 2006). The first grinding test is started with an arbitrarily chosen number of mill revolutions. At the end of each grinding cycle, the entire product is discharged from the mill and is screen

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    A later example was the Cornish stamps, consisting of a series of iron hammers mounted in a vertical frame, raised by cams on the shaft of a waterwheel and falling onto the ore under gravity. The simplest method of separating ore from gangue consists of picking out the individual crystals of each. This is a very tedious process, particularly

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