TY JOUR TI INCREASE OF EFFICIENCY OF HEATMASS-EXCHANGED PROCESSES IN CEMENT PRODUCTION KW cement KW slag KW exergy KW heat-exchanger KW preliminary thermal influence JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Konovalov, V.. AU Pereskok, S.. AU Petrova, M.. AU Obrazumov, A.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov