TY JOUR TI TECHNICAL RE-EQUIPMENT OF NPP TREATMENT FACILITIES KW wastewater treatment KW oil traps KW improvement of the oil trap JO Bulletin of the Angarsk State Technical University AU Zagvozdina, R.S. AU Igumen'scheva, V.V. PY 2024 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»