A study on mineral liberation of binary composite particles. (2nd Report). Effect of Loading Methods on Mineral Liberation Characteristics in Comminution.:A study on mineral liberation of binary composite partides (2nd Report)

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The liberation properties of progeny mineral particles were discussed, considering the compression and impact comminution in the experimental study with an iron ore.<BR>It was proved that fractional degree of liberation (FDL) remains nearly irrespective of the reduction ratio. It was also proved that FDL obtained by impact comminution is greater than by compression comminution. It can be explained by the preferencial breakage of iron mineral grains due to its selective fracture. It means that FDL can not be determined uniquely by the particle size.<BR>Size distibution of the constituent mineral grains was also estimated by converting the areal data, measured by an image analysis on polished sections of raw materials, into volumetric distribution.
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