THE APPLICATION OF LARGE SCALE STIRRED MILLING …
Mill Type % -75 µm Mill Type % -25 µm 1 10 Ball, 20 Ball 80 - - 2 10 Ball, 20 Ball, 30 IsaMill 90 - - 3 10 Ball, 20 Ball 80 IsaMill 90 4 10 Ball, 20 Ball, 30 IsaMill 90 IsaMill 90 A nominal grind of 80 % passing 75 µm was achieved by using a primary and a secondary ball mill (secondary mill in closed circuit with cyclone) for Runs 1 and 3.