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Title: Iron-based catalysts under solar and visible radiation for contaminants of emerging concern removal
Authors: Domingues, Eva 
Gomes, João 
Assunção, Nelson 
Gmurek, M. 
Quina, Margarida J. 
Quinta-Ferreira, R. M. 
Martins, Rui C. 
Keywords: Decontamination; Fenton process; Pharmaceuticals; Red mud; Sunlight radiation; Waste management
Issue Date: 2020
Publisher: Elsevier
Project: POCI-01-0247-FEDER- 033193 (SERENA—Development of a sludge free Fenton-integrated treatment methodology for olive mill wastewaters: a water recovery) 
Serial title, monograph or event: Energy Reports
Volume: 6
Abstract: The ubiquitous presence of CBZ, SMX and LRZ in water is a subject of increasing concern. This study represents a new approach in terms of these contaminants’ removal through Fenton process in three different ways, employing a solid catalyst, RM, which, alone, is a source of Fe3+ just as much is a source of environmental problems. Alongside RM, 100 mg/L of H2O2 were utilized as the initial solution’s pH remained unaltered. It was observed that, at these operating conditions, an appreciable degradation rate of contaminants was achieved. Solar photo-Fenton under visible light radiation led the way by attaining more than 50% removal for all three contaminants, reaching its peak when degrading around 62% of LRZ initially present. Therefore, RM, a residue from the alumina industry, seems to be a promising choice in terms of CECs degradation through Fenton process. Nevertheless, some parameters still need optimization, in order to achieve a better understanding and certainty of this oxidation process’ skilfulness for detoxifying CECs from the world’s water resources.
ISSN: 23524847
DOI: 10.1016/j.egyr.2019.09.054
Rights: openAccess
Appears in Collections:I&D CIEPQPF - Artigos em Revistas Internacionais

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