Iron Ore Beneficiation Process Spiral

2019928during the last ten years great strides have been made, on the mesabi range, in the practice of beneficiating low grade iron ore materialy beneficiation is meant all methods of removing impurities, and raising the iron content to a point where it can be sold in open market, the principal impurities being silica and moisturehe general processes to which low grade iron ores are amenable.