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Minerals 2018, 8(10), 436; https://doi.org/10.3390/min8100436

Hydrometallurgical Processing of Low-Grade Sulfide Ore and Mine Waste in the Arctic Regions: Perspectives and Challenges

1
Institute of North Industrial Ecology Problems, Kola Science Centre of the Russian Academy of Sciences, 184209 Apatity, Russia
2
Ural State Mining University, 620144 Yekaterinburg, Russia
*
Author to whom correspondence should be addressed.
Received: 1 August 2018 / Revised: 30 September 2018 / Accepted: 1 October 2018 / Published: 7 October 2018
(This article belongs to the Special Issue Arctic Mineral Resources: Science and Technology)
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Abstract

The authors describe the opportunities of low-grade sulfide ores and mine waste processing with heap and bacterial leaching methods. By the example of gold and silver ores, we analyzed specific issues and processing technologies for heap leaching intensification in severe climatic conditions. The paper presents perspectives for heap leaching of sulfide and mixed ores from the Udokan (Russia) and Talvivaara (Finland) deposits, as well as technogenic waste dumps, namely, the Allarechensky Deposit Dumps (Russia). The paper also shows the laboratory results of non-ferrous metals leaching from low-grade copper-nickel ores of the Monchepluton area, and from tailings of JSC Kola Mining and Metallurgical Company. View Full-Text
Keywords: heap leaching; bacterial leaching; cryomineralogenesis; low-grade copper-nickel ore; raw materials heap leaching; bacterial leaching; cryomineralogenesis; low-grade copper-nickel ore; raw materials
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Masloboev, V.A.; Seleznev, S.G.; Svetlov, A.V.; Makarov, D.V. Hydrometallurgical Processing of Low-Grade Sulfide Ore and Mine Waste in the Arctic Regions: Perspectives and Challenges. Minerals 2018, 8, 436.

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