TY JOUR TI IMPROVING THE EFFICIENCY OF THE ALLOCATION NODE PROPANE-PROPYLENE FRACTION OF THE EP-300 UNIT KW propane-propylene fraction KW rectification KW pyrolysis resin JO Scientific Papers Collection of the Angarsk State Technical University AU , .. AU Dement'ev, A.I. AU Podoplelov, E.V. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»