The Asia Miner

SEP-OCT 2014

The ASIA Miner - Reporting Important Issues to Mining Companies in the Asia Pacific Region

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70 | ASIA Miner | September/October 2014 How does Tenova Mining & Minerals serve the global mining industry out of the Australian offces in terms of technology? Tenova Mining & Minerals' capability to draw on the world-class tech- nological expertise across its global organization is one of its key differ- entiators in being able to deliver a solution that fully satisfes the client's needs. In Australia, the group's presence includes Tenova TAKRAF, suppli- ers of open cast mining and underground solutions and bulk materials handling equipment; Tenova Delkor, the group's solid/liquid separation specialist; and mineral processing specialist, Tenova Bateman Technol- ogies. In addition, there is a solid core of process engineers who sup- port the group's global EPCM service offering (Tenova Bateman) with test work, fowsheet design, prefeasibility and feasibility studies, etc. For example, Tenova Mining and Minerals in Australia, in conjunction with the South African minerals research organization, Mintek, carried out prefeasibility and defnitive feasibility studies for the on-site refning of nickel concentrates into a mixed nickel cobalt hydroxide product (MHP) at Mondo Minerals' existing Vuonos Talc Concentrator Plant at Talkkitie in Finland. Tenova Bateman Sub-Saharan Africa was awarded the front end engineering design (FEED), following the successful studies. Two recent Tenova Bateman CIS projects in Russia also drew on Tenova Mining & Minerals' process capability in Australia. In the frst project, set to mine Russian's largest untapped copper resource, co-ordination of the laboratory test work and pilot plant was carried out by Tenova Mining & Minerals' Australian operation, with the aim to produce copper cathodes from the ore and confrm in principle the process fowsheet developed for the project. Subsequent to this successful test work, Tenova Bateman CIS was appointed Russian General Designer Tenova Bateman Australia designed the process fowsheet for the second project, for which Tenova Bateman CIS was appointed General Designer for the basic engineering design phase. The process plant will be a world frst, as it will extract platinum group metals (PGMs), copper (Cu) and nickel (Ni) from the ore using a unique impregnated Cu-Ni platinum ore concentration method. Combined gravity and fota- tion will be employed, allowing for more than 80% PGM recovery into bulk concentrate, which will be the world's highest recovery for this ore type. While these are proven unit processes, they have not been implemented in combination before in a single PGM recovery project, either in Russia or abroad. The mining industry is constantly changing which means Tenova Mining & Minerals (TMM) must constantly be developing new technologies to better equip the industry for these changes. What changes are impacting the min- ing industry at present and, therefore, driving technology development? Worldwide consensus is that signifcant productivity and effciency improvements are top of the 'must-do' list for the mining industry, as climbing costs coincide with a downturn in cyclical commodity prices and a decline in productivity over the past decade, which has resulted from the industry's pursuit of volume growth during the recent super- cycle. For continued sustainability, simply cutting costs is not an op- tion, with the industry needing to both regain lost productivity and at The frst copper cathode produced in laboratory test work in Perth, Western Australia, to confrm in principle the process fowsheet for a major copper project in Russia. Technology development a key differentiator An interview with Tenova Mining & Minerals' chief technology offcer John Riordan, who is based in Perth, Western Australia

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