HIGmillTM mill for regrind project

Swiss Tower Mills (STM) Minerals Ltd has won together with its technology partner Outotec an order to provide a HIG1600 regrind mill for the Mutanda Mine (Mumi) plant in the Democratic Republic of Congo (Fig.). The contract was awarded in June 2013. Mutanda is a high grade copper and cobalt producer, with its operations located in the province of Katanga in the DRC and is operated by Glencore Xstrata plc, who owns 54.5 %. As of June 2013, Mutanda copper production was at an annualized ­production rate of 120 kt/a. Glencore ­Xstrata plc is one of the world’s largest global diversified natural resource companies.

STM’s scope of supply for the project includes the HIGmillTM, complete with its ­control and drive system. The duty of the HIGmillTM is to grind 118 t/h copper concentrate with a F80 of 212 µm to a P80 of 35 µm. The HIGmillTM provides several unique advantages such as a low specific grinding energy (SGE) value combined with high power intensity, simple flow sheet with no recirculating loads, true flexibility in process variables and long maintenance intervals. Deliveries are scheduled for the first quarter of 2014; start-up is planned for autumn 2014.

www.stmminerals.com

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