Engineering & Mining Journal

OCT 2017

Engineering and Mining Journal - Whether the market is copper, gold, nickel, iron ore, lead/zinc, PGM, diamonds or other commodities, E&MJ takes the lead in projecting trends, following development and reporting on the most efficient operating pr

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38 E&MJ; • OCTOBER 2017 www.e-mj.com NORDIC MINING 2017 discovered the White Wolf and Black Wolf kimberlites in northern Finland in 2005. These are now included in Arctic Star Exploration's Timantti project, where in July the company announced the recov- ery of 111 micro-diamonds from 48.65 kg of material obtained from the Finnish Geological Survey's (GTK) core store. Around the Mines in Finland ... In August 2015, the Finnish state com- pany Terrafame acquired the Sotkamo mine and heap-leaching operation from the bankruptcy administrators of Tal- vivaara Sotkamo Ltd. The company is now aiming to mine and leach 18 million mt/y of ore with a 70% minimum target leaching yield. During 2016, the operation ramped up capacity, and by year-end had produced 9,554 mt of nickel and 22,575 mt of zinc, plus cobalt and cop- per, from 14.2 million mt of ore. Capex during the year totaled €84.3 million, with the operation posting an EBITDA loss of €120.4 million ($130 million). A second metal production circuit was commissioned in October, with around 75% of the primary bioleaching area be- ing in use by the end of 2016. Major in- vestment was made in constructing two secondary bioleaching pads, and in a centralized water-treatment plant, which entered trial use in November. Water management has been a critical aspect of the Sotkamo operation since its outset, Hard work or smart work? Brokk AB Skellefteå, Sweden | www.brokk.com Intelligent Demolition Power Successful demolition projects are about brainpower. About finding new, efficient ways of doing the work in order to increase profits and outsmart the competition. The new Brokk 500 is pushing the boundaries even further. With Brokk SmartPower™ – the intelligent electrical system that ensures better performance and higher availability, a new, more powerful breaker and even better serviceability, our latest brainchild will give you a distinct, competitive edge. Work in progress constructing Hydro's new Karmøy pilot plant, which aims to prove the viability of the company's HAL4e aluminium smelting technology. (Photo: Hydro)

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