GENERAL CHARACTERISTICS OF THE QUANTITY AND QUALITY OF SEWAGE SLUDGE FROM SELECTED WASTEWATER TREATMENT PLANTS IN THE SWIETOKRZYSKIE PROVINCE

摘要

Five wastewater treatment plants from the Swictokrzyskie Province have been briefly described, and a general analysis of the composition and quantity of sewage sludge from the data objects has been conducted. The paper also presents various ways of management of sewage sludge. The authors analyzed sediments from the wastewater treatment plant for PE in the range of 15 000-99 999 located in Ostrowiec, Opatow, Starachowice, Skarzysko-Kamienna, and in Sandomierz. The sludge was characterized in terms of its quantity and quality, the content of heavy metals, total nitrogen, total phosphorous, and organic solids.