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Grinding Pyrite Isamill

Complementary xrd analysis showed that the chalcopyrite sample contained 6.3 wt.Pyrite while the pyrite contained 10 impurities of virtually no copper sulphide.A two stage grinding procedure primary grinding to d 80 of 105 m and secondary grinding to d 80 of 10, 20, and 30 m was used to produce the feed for this study.

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