fractions The long residence time of the gold within the grinding circuit can cause some of the GRG to become non-gravity recoverable due to smearing on to grinding media, mill liners and gangue minerals This effect is minor as more than 98% of the GRG entering the ball mill remains gravity recoverable after grinding (LaPlante, 2000)

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Get PriceOct 13, 2013· ball mill CF factors, geometallurgy and sampling an orebody Alex D 10:30-11:00 Coffee break AM 11:00-12:30 Mill power draw models for ball mills and SAG mills Alex D 12:30-13:30 Lunch 13:30-15:00 (tutorial) Example calculation in the SAGMILLINGCOM software; use a pre-loaded set of test results to run a mill sizing exercise using the

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