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Wahaab, Rifaat Abdel (author), Mahmoud, Mohamed (author), van Lier, J.B. (author)Over the past 4 decades, the increasing amounts of excess sludge from municipal wastewater treatment plants (WWTPs) represent a challenge toward achieving the sustainability of the drinking water and sanitation sector in Egypt, resulting in a serious environmental pollution due to the uncontrolled use of non-stabilized sludge. Here, we report a...journal article 2020