Study of physicochemical aspects of hydrogen sulfide adsorption on a composite material from water treatment sludgeIliya Iliev, Antonina Filimonova, Alena Vlasova, Ruzina Kamalieva and Ivan BeloevE3S Web Conf., 638 (2025) 01015DOI: https://doi.org/10.1051/e3sconf/202563801015