TY JOUR TI EFFICIENCY EVALUATION OF CENTRIFUGAL GRINDER UNIT UNDER WET GRINDING KW mining waste KW recycling KW construction materials KW mechanical activation KW centrifugal grinding unit KW dry method KW wet method KW specific surface area JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Ural'skiy, A.V. AU Ural'skiy, V.I. AU Sevost'yanov, V.S. AU Zagorodnyuk, L.H. AU Yurchenko, V.V. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov