Physical separation of iron ore: magnetic separation
WEBJan 1, 2022 · When the iron ore slurry is fed to the feed tank, magnetite particles are dragged down under the action of the magnetic force, gravity and water, while some of the fine light gangue minerals such as quartz float up to the overflow chute. ... The feed ore is first ground using ball mills down to about 90% −75 micron particle size. Several drum ...