TY JOUR TI INCREASING THE EFFICIENCY OF NAPHTHA SECONDARY DISTILLATION UNIT KW naphtha secondary distillation KW tray JO Modern Technologies and Scientific and Technological Progress AU Shater, D.E. AU Chernigovskaya, M.A. PY 2024 IS 2024 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»