Collahuasi mill repairs to take about 90 days

Dec 01, 2006 | 04:46 PM | Paul Harris

Copper production at the 425,000-tonne-per-year Collahuasi copper mine in Chile will be reduced for up to three months starting in January for critical repairs to a mill, Enrique Rohde, country manager of engineering firm ABB Ltd., confirmed.

ABB will take the $20-million No. 3 semiautogenous grinding (SAG) mill offline to repair a manufacturing fault in the stator, the fixed part of the unit that houses the rotor. "The mill is the critical point in the processing circuit and this will be the first time that a repair like this has been....

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