TY JOUR TI INFLUENCE OF FLOTOREA AGENT, IN THE COMPOSITION OF WASTE FLOTATION, ON THE PROPERTIES OF BENDING COMPOSITIONS KW flotation re-enrichment waste of ferrous quartzites KW flotation agent KW astringent compositions KW effective viscosity JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Schekina, A.Y. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov