The IsaMill is an energy efficient mineral industry grinding mill that was jointly developed in the . In contrast, ball mills, rod mills and other tumbling mills are only partially . For example, grinding a pyrite concentrate so that 80% of the particles are less than 12 µm (0.012 mm) consumes over 120 kilowatt hours per tonne.
20 Mar 2017 . PDF . Grinding mills are infamous for their extremely low energy . is less than 1% of the electricity consumed to operate ball mills. . industrial applications, thus technical data for these are available from manufacturers.