Mineral processing - WikipediaIn the field of extractive metallurgy, mineral processing, also known as ore dressing, is the . Crushing and grinding are the two primary comminution processes. ... of electromagnets was weakly magnetised and served to draw off any iron ore.comminution process in iron ore,Eco-efficient and cost-effective process design for magnetite iron ore .Feb 24, 2015 . Magnetite iron ore requires significant beneficiation, which typically . by the comminution processes (crushing and grinding operations).
comminution process in iron ore