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Will In-Place Recovery Ever Replace the Need for Flotation?

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Abstract

The history of mineral processing in general and flotation in particular is long and has always been tied to mining methods of the day. Building on the ever-improving fundamental understanding of the underlying science, the most significant trend in flotation has been the putting into practice the learnings from trailblazers such as Professor Fuerstenau that has given the confidence that enabled an ever-increasing scale of operations. There is, however, doubt this ongoing trend is enough to maintain the economics against global trends such as that of falling grades, increasing mining costs, pressure on water supply and demand, rising energy demands needed for mineral processing, and a focus on whole of life value and mine legacy issues.

In addition, we see that globally, the social license to operate for mining (and hence mineral processing) is far from secure and, at the very least, is under much more rigorous scrutiny.

In this paper, we comment on the ramifications of broader uptake of more sustainable mining for mineral processing methods and address the specific question of whether recent progress in in-place recovery will lead to a timely breakthrough. The answer proposed is that this is possible in the next 10–20 years but in the meantime, the focus is just as likely to be on removal of waste (beneficiation) much earlier in circuits. Either way, mineral processing and flotation, as we know it, will change significantly.

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Acknowledgements

The authors acknowledge useful discussion with colleagues, in particular, Ben Adair, CEO of the CRCORE.

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Authors and Affiliations

  1. Department of Chemical & Biomolecular Engineering, The University of Melbourne, Melbourne, Australia

    Robin J. Batterham

  2. In Situ Recovery and Processing, Mining3, Brisbane, Australia

    Dave J. Robinson

  3. CSIRO Mineral Resources Business Unit, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Perth, Australia

    Dave J. Robinson

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  1. Robin J. Batterham
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Correspondence to Robin J. Batterham.

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Batterham, R.J., Robinson, D.J. Will In-Place Recovery Ever Replace the Need for Flotation?. Mining, Metallurgy & Exploration 36, 189–197 (2019). https://doi.org/10.1007/s42461-018-0030-x

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