TY JOUR TI COMPARISON OF THE EFFICIENCY OF SEPARATING AGENTS IN THE PROCESS OF ISOLATION OF DIVINYL FROM THE BUTENE-DIVINYL FRACTION (BDF) BY THE METHOD OF EXTRACTIVE RECTIFICATION KW divinyl KW extractive distillation KW separating agent KW relative volatility JO Bulletin of the Angarsk State Technical University AU Ul'yanov, B.A. AU Semenov, I.A. AU Nemcov, A.S. PY 2022 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»