In the present work, the fi ne grinding of limestone was performed by using a super centrifugal mill (SCmill), a type of bead mill. The feed sample contained limestone particles below 75 μm in size ground by a crusher mill with a feed slurry density of 30 mass%. The eff ects of operational grinding conditions in the bead mill including rotor speed, grinding time, grinding bead size, and mass of the grinding beads on the fi ne grindability of limestone were investigated, as well as the wear of the grinding beads. The fi ne grindability was evaluated through the mass of products below 1 μm measured using laser diff raction and scattering. The bead wear was investigated through the mass loss of zirconia beads measured using inductively coupled plasma mass spectrometry. In the results, the mass of the fine products and bead wear were found to be proportionally related, and expressed as a function of the operational grinding conditions.
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