Risk-based evaluation of wastewater treatment projects: A case study in Niasar city,Iran |
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| Institution: | 1. Faculty of Engineering, Ferdowsi University of Mashhad, 9177948974, Mashhad, IR Iran;2. Department of Water Resources, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, 2628 CN, Delft, The Netherlands;3. Faculty of Civil Engineering, University of Tabriz, 51664, Tabriz, IR Iran;4. Tufts Institute of the Environment, Tufts University, 02155, Medford, MA, USA;1. Key Laboratory of Special Functional Materials for Ecological Environment and Information (Ministry of Education of China), Hebei University of Technology, Tianjin 300130, China;2. Institute of Power Source & Ecomaterials Science, Hebei University of Technology, Tianjin 300130, China;3. School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China;1. Aquatic Ecodynamics, UWA School of Agriculture and Environment, The University of Western Australia, Crawley WA 6009, Australia;2. Young Researchers and Elites Club, Khorramabad Branch, Islamic Azad University, Khorramabad, Iran;3. Department of Biological and Agricultural Engineering & Zachry Department of Civil Engineering, Texas A&M University, College Station, TX 77843, USA;4. Department of Watershed Management, Sari Agricultural Sciences and Natural Resources University, Sari, Iran;5. Center for Advanced Modeling and Geospatial Information Systems (CAMGIS), Faculty of Engineering and IT, University of Technology Sydney, 2007 NSW, Australia;6. Department of Energy and Mineral Resources Engineering, Choongmu-gwan, Sejong University, 209 Neungdong-ro, Gwangjin-gu, Seoul 05006, South Korea;7. Wageningen Environmental Research, Team Soil, Water and Land Use, P.O. Box 47, 6700 AA, Wageningen, the Netherlands;8. Civil, Surveying and Environmental Engineering, The University of Newcastle, Callaghan 2308, Australia;9. Young Researchers and Elites Club, Science and Research Branch, Islamic Azad University, Tehran, Iran;10. Department of Watershed Management Engineering, Faculty of Natural Resources, Tarbiat Modares University (TMU), Noor 46417-76489, Iran |
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| Abstract: | For sustainable wastewater management, it is essential to consider social, environmental, geological and technical features as well as economic feature in the decision-making process. A limitation of many of the earlier works on wastewater management is that they take into account only financial criteria to make a decision for a given problem. Moreover, the decision-makers’ (DMs) attitude to risk, or optimism degree, when faced with uncertainty is not considered. In this paper, we study the application of risk-based multi-attribute decision-making (RB-MADM) methods to achieve sustainable wastewater management. Consideration of uncertainty, value tradeoffs, and different risk attitudes of decision makers are the important features of the developed methodology. A case study on the Iranian city of Niasar is presented to illustrate how this methodology can be applied to select the most preferred alternative for wastewater management among a set of options. The most preferred option is selected with respect to nine attributes under different optimism/pessimism degrees, using six different MADM methods. The results show that the ranking of options is sensitive to the optimism degree of the DMs. The proposed approach may help policy makers to achieve sustainable wastewater management. |
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| Keywords: | Wastewater management Risk Multi-attribute decision-making Uncertainty Niasar Iran |
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