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Apr 18, 2018 ... Experience to date in using net power per ton data from pilot plant tests ... 5440Hp ÷ 0.98 = 5550 HP (required minimum motor output power). ... from the kilowatthours per ton of balls (Kwb) equation for calculating ball mill power ... Figures 4aand 4b are for the same size mill with a ball charge of 6% of mill...

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