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 Modern Technologies and Scientific and Technological Progress AU Scherbin, S.A. AU Glotov, V.A. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»