The MONDO Minerals Nickel Sulfide Bioleach Project: From Test Work to Early Plant Operation

John Neale; Janne Seppälä; Arto Laukka; Pieter van Aswegen; Stephen Barnett; Mariekie Gericke

doi:10.4028/www.scientific.net/SSP.262.28

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Bioelectrochemical Leaching of Copper Sulfide Minerals
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Comparison of Reductive and Oxidative Bioleaching of Jarosite for Valuable Metals Recovery
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The MONDO Minerals Nickel Sulfide Bioleach Project: From Test Work to Early Plant Operation
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Recent Advances in Biomining and Microbial Characterisation
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Linking Microbial Community Dynamics in BIOX^® Leaching Tanks to Process Conditions: Integrating Lab and Commercial Experience
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Enzymatic Pre-Treatment of Carbonaceous Matter in Preg-Robbing Gold Ores: Effect of Ferrous Ion Additives
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HomeSolid State PhenomenaSolid State Phenomena Vol. 262The MONDO Minerals Nickel Sulfide Bioleach...

The MONDO Minerals Nickel Sulfide Bioleach Project: From Test Work to Early Plant Operation

Abstract:

Mondo Minerals owns talc mines in Finland at Sotkamo and Vuonos. A by-product of their talc mining operations is a high-grade sulfide concentrate containing pyrrhotite, pentlandite, pyrite, gersdorffite and magnesite. Nickel is the main metal of economic interest, but the concentrate also contains a small amount of cobalt and a significant quantity of arsenic. Multiple processing options were evaluated before identifying Mintek’s bioleaching technology as the most suitable for the recovery of nickel and cobalt from this stream. This paper describes the technical development of the process, from laboratory test work to plant design and early plant operation.

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Periodical:

Solid State Phenomena (Volume 262)

Pages:

28-32

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.262.28

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Online since:

August 2017

Authors:

John Neale, Janne Seppälä, Arto Laukka, Pieter van Aswegen, Stephen Barnett, Mariekie Gericke*

Keywords:

Commercial Plant, Commissioning, Iron-Arsenic Precipitation, Mixed Nickel Hydroxide, Nickel Sulfide Bioleaching

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References

[1] M. Gericke, C. Pawlik, D.W. Dew, P. van Aswegen, S.C.C. Barnett, and T. Mikkola. Bioleaching of nickel-cobalt-arsenic containing flotation by-products of the talc industry, Proceedings of the Biohydrometallurgy'14 Conference. Falmouth, Minerals Engineering International (2014).

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[2] J. Neale, M. Gericke, C. Pawlik, P. van Aswegen, S. Barnett, and J. Seppälä, The Mondo Minerals Nickel Sulfide Bioleach Project: from test work to design. Proceedings of the ALTA 2015 Nickel-Cobalt-Copper Conference. Melbourne, ALTA Metallurgical Services (2015).

DOI: 10.4028/www.scientific.net/ssp.262.28

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[3] J. Neale, J. Seppälä, A. Laukka, P van Aswegen, S Barnett, The Mondo Minerals Nickel Sulfide Bioleach Project: Construction and Commissioning. Proceedings of the ALTA 2016 Nickel-Cobalt-Copper Conference. ALTA Metallurgical Services (2016).

DOI: 10.4028/www.scientific.net/ssp.262.28

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