Environmental impact of the effluents discharging from full-scale wastewater treatment plants evaluated by a hybrid fuzzy approach

نویسندگان

چکیده

Increasing attention is being paid to the environmental impacts of wastewater treatment plant (WWTP) effluent. In this study, comprehensive impact analyses (EIAs) were performed for secondary processes, tertiary and entire plants at five full-scale WWTPs in Kunming, China. The EIAs took into account greenhouse gas (GHG) emissions, potential effluent cause eutrophication, ecological risks posed by endocrine disrupting compounds (EDCs) treated effluent, heavy metals excess sludge. A assessment toward sustainability was using a fuzzy approach. results indicated that biological process made largest contribution (>68% total) processes GHG emissions electricity consumption (>64% emissions. Large numbers EDCs removed during but still require attention. High mercury concentrations found proportion pollutants produced posing least gave best EIA performance.

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ژورنال

عنوان ژورنال: Science of The Total Environment

سال: 2021

ISSN: ['0048-9697', '1879-1026']

DOI: https://doi.org/10.1016/j.scitotenv.2021.148212