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Journal of Mining Sciences

2017 year, number 1

Prospects for Re-Processing of Carbonate-Fluorite Ore Mill Tailings at Yaroslavskaya Mining Company

L. A. KIENKO1, O. V. VORONOVA1, S. A. KONDRAT'EV2
1Institute of Mining, Far East Branch, Russian Academy of Sciences, ul. Turgeneva 51, Khabarovsk, 680000 Russia
2Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091 Russia
Keywords: флотация, флюорит, тонкая вкрапленность, техногенное сырье, селективность, модификаторы, flotation, fluorite, fine dissemination, mining waste crude, selectivity, modifiers

Abstract

The authors describe studies into dressability of mill tailings from tailings pond of processing plant of Yaroslavskaya Mining Company. It is found that the mill tailings contain 14.92% of CaF2, 13.16% of CaCO3 and 0.49% of Zn. The use of new compositions of modifies in flotation of fluorite allows production of standard grade concentrates with the CaF2 content of 93.19-95.54% at the recovery of 52.75-30.15%. Zinc recovery in the concentrate is 38.84% at the yield of 42.11%.