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Svetlov A. V., Makarov D. V., Potapov S. S., Nekipelov D. A., Seleznev S. G., Masloboev V. A.

Research of leaching of disseminated copper-nickel ores in their interaction with mine waters

DOI: 10.21443/1560-9278-2017-20-1/2-165-176

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Abstract. A great amount of mine waste creates serious problems for economy and ecology in mining regions. Keeping of dumps and tailings storages requires huge capital costs and material inputs. Removal of overburden volumes cause ecological disequilibrium, ingress of chemical agents and heavy metals in ground and surface water have an adverse influence on eco-systems and human health. These hazards are particularly high under extreme climatic conditions, when mines create vast desert lands around themselves. Foreign researchers use the terms "acid mine drainage" (AМD) and "acid rock drainage" (ARD) when speaking on mine water oxidation and contamination of the environment with heavy metals. AMD is induced by underground mine drainage, natural sulfide-bearing rock exposures, etc. The processes occurring in the interaction the mine water with fine dust particles, as well as water filtering through the thick sulfide rocks have been studied. It has been shown that the reduction in potential environmental hazard of mine water of JSC "Kola MMC" is achieved through precipitation of heavy metals by iron hydroxide and magnesium hydrosilicate. Preliminary assessment of the feasibility of hydrometallurgical processing of disseminated copper-nickel ores has been made

Keywords: copper-nickel ore, mine water, leaching

Printed reference: Research of leaching of disseminated copper-nickel ores in their interaction with mine waters / A. Svetlov, D. Makarov, S. Potapov, D. Nekipelov, S. Seleznev, V. Masloboev // Vestnik of MSTU. 2017. V. 20, No 1. P. 165-176.

Electronic reference: Research of leaching of disseminated copper-nickel ores in their interaction with mine waters / A. Svetlov, D. Makarov, S. Potapov, D. Nekipelov, S. Seleznev, V. Masloboev // Vestnik of MSTU. 2017. V. 20, No 1. P. 165-176. URL: http://vestnik.mstu.edu.ru/v20_1_2n70/2_Svetlov_165_176.pdf.

(In Russian, p.12, fig. 8, tables 1, ref 16, Adobe PDF)