TY JOUR TI MODELING OF NAPHTHA SECONDARY DISTILLATION UNIT KW naphtha secondary distillation KW tray KW modeling KW efficiency JO Modern Technologies and Scientific and Technological Progress AU Shater, D.E. AU Chernigovskaya, M.A. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»