Assessing eco-efficiency of wastewater treatment plants: A cross-evaluation strategy

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dc.contributor.authorSala-Garrido, Ramon
dc.contributor.authorMaziotis, Alexandros
dc.contributor.authorMocholi-Arce, Manuel
dc.contributor.authorMolinos-Senante, Maria
dc.date.accessioned2025-01-20T20:07:23Z
dc.date.available2025-01-20T20:07:23Z
dc.date.issued2023
dc.description.abstractEvaluating the eco-efficiency of wastewater treatment plants (WWTPs) is crucial for enhancing environmental and economic performance in the water utility sector. Previous studies in this area estimated WWTP eco-efficiency through self-evaluation, which might have led to overestimation and biased policy recommenda-tions. To address these issues, this study applies a cross-evaluation strategy, combining self-evaluation and peer -evaluation, to assess the eco-efficiency of WWTPs. The empirical application focuses on a sample of Spanish WWTPs, yielding the following key findings. Average eco-efficiency scores were 0.353 and 0.230, for self -evaluation and global peer-evaluation approaches, respectively, confirming the overestimation of eco-efficiency scores based on self-evaluation. If WWTPs were eco-efficient, they could potentially reduce green-house gas (GHG) emissions by up to 0.39 kg CO2eq/year. The application of reliable methods, such as peer -evaluation, for eco-efficiency assessment of WWTPs provides water regulators with a comprehensive under-standing of the environmental and economic performance of WWTPs. This knowledge guides decision-making, policy development, and resource allocation, facilitating sustainable and efficient wastewater management practices.
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.scitotenv.2023.165839
dc.identifier.eissn1879-1026
dc.identifier.issn0048-9697
dc.identifier.urihttps://doi.org/10.1016/j.scitotenv.2023.165839
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/91796
dc.identifier.wosidWOS:001053077100001
dc.language.isoen
dc.revistaScience of the total environment
dc.rightsacceso restringido
dc.subjectPerformance
dc.subjectRegulation
dc.subjectGreenhouse gas emissions
dc.subjectBenchmarking
dc.subjectData envelopment analysis
dc.subject.ods09 Industry, Innovation and Infrastructure
dc.subject.odspa09 Industria, innovación e infraestructura
dc.titleAssessing eco-efficiency of wastewater treatment plants: A cross-evaluation strategy
dc.typeartículo
dc.volumen900
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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