TY JOUR TI ISOLATION OF 1,3-BUTADIENE FROM THE BUTYLENE DIVINYL FRACTION OF HYDROCARBON PYROLYSIS KW 1,3-butadiene KW rectification KW separating agent. JO Modern Technologies and Scientific and Technological Progress AU Ul'yanov, B.A. AU Nemcov, A.S. PY 2022 IS 2021 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»