Developments in the physical separation of iron ore
#0183;#32;On the other hand, the magnetic products from the LIMS and SLon magnetic separators are fed to the secondary ball mill system, ground to about 80% 75 m, and finally treated by drum LIMS and SLon magnetic separators for cleaning and scavenging to recover about 30% of the mass as the final iron ore concentrate, with about 15% of the mass discharged as the final tails.