The companies Metso and FreeportMcMoRan have pointed out an impressive achievement during the second quarter of 2017– the biggest grinding roll in the world HRC300 has processed over 100 million short tons of copper.
The processed volume has exceeded 100 million short tons of porphyry copper – it is an important event in the history of operation of the biggest grinding roll in the world. Thanks to its capacity the grinding roll HRC300 has reached this indicator in less than three years.
Metso equipment was put into service in May 2014 at the processing plant Metcalf of the Freeport McMoRan (Morenci, AZ) copper mine which has been developing by open-pit mining since 1939.
The grinding roll HRC3000 – is the biggest piece of equipment in its class, it allows to decrease the number of auxiliary equipment installed due to decreased number of production lines. It is the first large-scale grinding roll HPGR combining such frontline developments as special flanges and patented arch structure. Metso solution provides a range of advantages for the Morenci mine, including the operation of the pilot plant has allowed to decrease energy per unit ratio by approximately 13,5% as compared to traditional grinding rolls.
The news article was published based on Metso press-release
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