TY JOUR TI INCREASING THE EFFICIENCY OF CONDENSATION OF PYROLYSIS PRODUCTS OF DICHLOROETHANE IN THE PRODUCTION OF POLYVINYL CHLORIDE KW shell-and-tube condenser KW reconstruction of the heat exchanger JO Scientific Papers Collection of the Angarsk State Technical University AU Scherbin, S.A. AU Petrushina, A.D. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»