The aim of the study was to determine the physical and chemical properties of sewage sludge from municipal wastewater treatment plants “Pomorzany” and “Zdroje” located in Szczecin, Poland. The paper presents outcomes of SEM observation of dried and stabilized sewage sludge. The research...

Treatment of sewage results in creation of by-products such as screenings, fats, sand and the primary and secondary sludges – the most disposed elements in the technological process. Disposal of hazardous wastes is one of the most important issues in waste management. Regulation of the...