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Abb Successfully Commissions First Line Of Northland Kaunisvaara Iron Ore Mine

Iron ore Wikipedia The typical grade of iron at which a magnetitebearing banded iron formation becomes economic is roughly 25 iron which can generally yield a 33 to 40 recovery of magnetite by weight to produce a concentrate grading in excess of 64 iron by weight The typical magnetite ironore concentrate has less than 01 get price.

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