Sustainability, Volume 13, Issue 7 (April-1 2021) – 494 articles
Cover Story (view full-size image): Life cycle assessment and economic analysis of an Anodic Oxidation (AO) unit for the removal of Pesticides and Pharmaceuticals (PPs) from the effluent of a Portuguese Wastewater Treatment Plant were performed. Two types of anodes, the Boron-Doped Diamond (BDD) and the Mixed Metal Oxides (MMOs) were analyzed. Adopting a holistic approach, the human and freshwater toxicities associated with the construction and the operation of the AO unit are often higher than the environmental benefits derived from the PPs’ removal. The MMO anode is clearly more advantageous on the economic side, whereas BDD is environmentally more favorable. The issue of the presence of PP in Municipal Wastewater (MWW) effluents has to be addressed as an integrated solution, both improving upstream PPs’ management and adopting PPs’ removal technologies strongly supported by renewable energies. View this paper
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