Developments in iron ore comminution and classifiion ...
· The Zourerat iron ore mine has two m diameter × m wide HPGR units treating 1400 t/h each of aerofall mill pebbles. The feed is − 25 + mm and has a ball mill work index of 12–14 kWh/t. The iron ore has low to moderate abrasion characteristics. Figure shows the Zourerat iron ore flowsheet.