Prospects for Re-Processing Of Carbonate–Fluorite Ore Mill Tailings at Yaroslavsky Mining Company

Abstract

The authors describe studies into dressability of mill tailings from tailings pond of processing plant of Yaroslavsky 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 modifiers in flotation of fluorite allows production of standard grade concentrates with CaF₂ content of 93.19–95.54% at the recovery of 52.75–30.15%. Zinc recovery is 38.84% with the yield of 42.11% Zn concentrate.