TY JOUR TI EFFICIENCY OF VACUUM COLUMN CONTACT DEVICES FOR DISTILLATIONS OF FUEL OIL KW oil distillation KW fuel oil distillation KW fractionanting tray JO Scientific Papers Collection of the Angarsk State Technical University AU Litvincev, Y.I. AU Zhavoronkov, D.A. PY 2024 IS 2024 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»