Use of Iron Ore Pellets in Blast Furnace .
Escondida Copper, Gold and Silver Mine, .
During the year ending June 2006, the mine handled 368.3Mt of ore and waste and processed 87.7Mt of sulphide ore grading 1.61% copper. Total mill .
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HPGR - High pressure grinding roll for the .
Autogenous and Semiautogenous mills - .