TY JOUR TI IMPACT OF ABIOTIC FACTORS ON THE STATE OF ACTIVATED SLUDGE BIOCENOSIS AND ITS HYDROBIOCHEMICAL PARAMETERS KW activated sludge KW biocenosis KW temperature KW pH KW abiotic factors JO Forestry Engineering Journal AU Dochkina, Y.N. AU Korchagin, V.I. AU Plyakina, A.A. PY 2022 IS 11 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov