Optimizing your SAG mill operation. Posted by Matrix on 21st March 2007 ... mines have shifted their emphasis in optimization from ball mills to SAG mills. The rock load in the mill essentially depends on ore characteristics and the discharge rate of broken particles through the discharge end. ... AG/SAG mills have to handle large amounts of ...

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Get PriceThe discussion you have initiated is very interesting indeed. I too am not an expert in ball mill sizing but from what my general understanding goes, method to calculate Bond's Work Index (WI) takes into consideration a 250% circulating load and ball mill sizing is based on the WI.

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Get PriceCalculating a grinding circuit's circulating loads based on Screen Analysis of its slurries. Compared to %Solids or Density based Circulating load equations, a more precise method of determining grinding circuit tonnages uses the screen size distributions of the pulps instead of the dilution ratios. Pulp samples collected around the ball mill or rod mill and hydrocyclones, screen or ...

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