YEMELYANOVA, V., YERMAK, A. and KARNIAKOVA, A. 2024. THE EFFECT OF HEAT TREATMENT ON THE PROPERTIES OF EXCESS ACTIVATED SLUDGE. Vestnik of Polotsk State University. Part B. Industry. Applied Sciences. 2 (Aug. 2024), 116-122. DOI:https://doi.org/10.52928/2070-1616-2024-50-2-116-122.