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Key Points of Advanced Oxidation Processes (AOPs) for Wastewater, Organic Pollutants and Pharmaceutical Waste Treatment: A Mini Review

Pavlos K. PandisLaboratory of Inorganic Materials Technology, School of Chemical Engineering, National Technical University of Athens, Greece, 9 Iroon Polytechniou Str., Zografou Campus, 15780 Athens, GreeceCharalampia KalogirouClausthal Centre for Materials Technology (CZM), Clausthal University of Technology, Leibnizstr. 9, 38678 Clausthal-Zellerfeld, GermanyEirini KanellouLaboratory of Chemical Engineering and Engineering Sustainability, Faculty of Pure and Applied Sciences, Open University of Cyprus, Giannou Kranitiodi 33, Latsia, 2220 Nicosia, CyprusChristos VaitsisLaboratory of Inorganic Materials Technology, School of Chemical Engineering, National Technical University of Athens, Greece, 9 Iroon Polytechniou Str., Zografou Campus, 15780 Athens, GreeceMaria G. SavvidouLaboratory of Inorganic Materials Technology, School of Chemical Engineering, National Technical University of Athens, Greece, 9 Iroon Polytechniou Str., Zografou Campus, 15780 Athens, GreeceGeorgia SourkouniClausthal Centre for Materials Technology (CZM), Clausthal University of Technology, Leibnizstr. 9, 38678 Clausthal-Zellerfeld, GermanyAntonis A. ZorpasLaboratory of Chemical Engineering and Engineering Sustainability, Faculty of Pure and Applied Sciences, Open University of Cyprus, Giannou Kranitiodi 33, Latsia, 2220 Nicosia, CyprusChristos ArgirusisLaboratory of Inorganic Materials Technology, School of Chemical Engineering, National Technical University of Athens, Greece, 9 Iroon Polytechniou Str., Zografou Campus, 15780 Athens, Greece

2022en

ABI

Annotatsiya

Advanced oxidation procedures (AOPs) refer to a variety of technical procedures that produce OH radicals to sufficiently oxidize wastewater, organic pollutant streams, and toxic effluents from industrial, hospital, pharmaceutical and municipal wastes. Through the implementation of such procedures, the (post) treatment of such waste effluents leads to products that are more susceptible to bioremediation, are less toxic and possess less pollutant load. The basic mechanism produces free OH radicals and other reactive species such as superoxide anions, hydrogen peroxide, etc. A basic classification of AOPs is presented in this short review, analyzing the processes of UV/H2O2, Fenton and photo-Fenton, ozone-based (O3) processes, photocatalysis and sonolysis from chemical and equipment points of view to clarify the nature of the reactive species in each AOP and their advantages. Finally, combined AOP implementations are favored through the literature as an efficient solution in addressing the issue of global environmental waste management.

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Identifikatorlar

DOI: 10.3390/chemengineering6010008

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