TY JOUR TI RECONSTRUCTION OF THE WASTEWATER REFRIGERATOR IN THE PRODUCTION OF DICHLOROETHANE AND VINYL CHLORIDE KW shell-and-tube apparatus KW reconstruction of the heat exchanger heat transfer KW hydraulic resistance JO Bulletin of the Angarsk State Technical University AU Scherbin, S.A. AU Glotov, V.A. PY 2025 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»