Resource-saving technology for dewatering and decontamination of activated sludge O.R. Ilyasov, M.V. Kirillov, I.I. Gavrilin, O.A. Bykova and A.M. Asonov E3S Web Conf., 282 (2021) 05003 Published online: 05 July 2021 DOI: 10.1051/e3sconf/202128205003