Abstract
Many countries and regions under hot and arid climates suffer from a continuously growing pressure on their limited freshwater resources, which are subsequently degrading. In this regard, proper wastewater management could be a new water source in the local and regional water balance. However, wastewater treatment processes result in the production of a sludge by-product that requires additional treatment. Sludge management is typically a costly and complex process due to the needed mechanical equipment and the large amount of energy input. The sustainable treatment technology of Constructed Wetlands is viewed as an ideal nature-based solution for sludge management that can reduce the total environmental footprint and also provide a beneficial end-product. This chapter provides an overview of the current experiences on Sludge Treatment Wetlands technology in the Middle East. Research projects and few existing case studies for municipal and industrial sludge dewatering are presented in order to highlight the technical feasibility of this technology under the hot and arid climate of the Middle East.
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Stefanakis, A., Al-Rashdi, T.T., Ahmed, M. (2022). Research and Case Studies of Sludge Treatment Wetlands in Hot and Arid Climates: Experiences and Opportunities for Sustainable Sludge Management. In: Stefanakis, A. (eds) Constructed Wetlands for Wastewater Treatment in Hot and Arid Climates. Wetlands: Ecology, Conservation and Management, vol 7. Springer, Cham. https://doi.org/10.1007/978-3-031-03600-2_15
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