Multi-criteria decision-making model for wastewater reuse application: a case study from Iran

AbstractWastewater reuse is considered as a solution to better management of the water resources that presents a viable method to solve water shortage problems, especially in regions where available water resources are limited. Selection of wastewater reuse application for different uses is a multidimensional process which involves multiple criteria and multiple stakeholders. Multi-Criteria Decision-making (MCDM) approach is often used to solve various decision-making problems. The analytical hierarchy process (AHP) method has been widely used to solve MCDM problems. In this study, a MCDM model based on AHP has been implemented in order to find the best alternative for using wastewater in Iran as a case study. For this purpose, a hierarchy structure with different levels (four criteria, sixteen sub-criteria, and five alternatives) is applied, and after performing the model and sensitivity analysis, the results are presented. Results show that groundwater recharge is the best alternative for wastewater reu...

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