Development of a methodological tool for the selection and sizing of constructed wetlands as a sustainable wastewater treatment technology
Keywords:
selection tool, wastewater, sustainabilityAbstract
Population growth and urban expansion have significantly increased wastewater generation, requiring sustainable, economically feasible, and environmentally responsible treatment solutions. Constructed wetlands represent a lowenergy and simple-operation technology; however, selecting the most suitable configuration is a complex task due to the diversity of available alternatives and the multiple variables involved in decision-making. This study aims to develop a methodological tool for the selection and sizing of constructed wetlands for wastewater treatment in urban and peri-urban communities. The methodology integrates technical, environmental, economic, social, and legal criteria, evaluating twelve technological variants through a weighted multi-criteria analysis. Results demonstrate that the developed tool optimizes the selection process, reduces technical uncertainty, and facilitates design adaptation to site-specific conditions while ensuring compliance with discharge regulations.
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