TY CONF TI BIOCHEMICAL WASTEWATER TREATMENT IN AN AEROTANK KW aertenk KW active sludge KW aeration KW biological cleaning KW wastewater KW biological oxidation JO SCIENCE TRANSFORMS REALITY - 2025 AU Sysoev, M.A. AU Moiseeva, E.V. AU Maklakova, E.A. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov