TY JOUR TI Modernization of the distillation column in the process of oil dewaxing KW distillation column KW oil and gas industry KW contact devices KW mass transfer KW liquid separator KW modernization KW oil dewaxing KW efficiency JO Oil and gas technologies and environmental safety AU Artemieva, N.. AU Bruslensky, K.. PY 2025 IS 2025 PB Astrakhan State Technical University