Project Overview: The SAG mill at Mount Isa’s Zinc/Lead Concentrator had not been performing to expectation. The mill was operating below design power (2100kW), and at lower rock loads – leading to reduced throughput and a shorter liner service life. Operat- ing the mill manually at the higher power and load required high levels of concen- tration and skill by the operators – something not sustainable over a 12 hour shift MIPAC Scope: MI

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