Insight on the fundamentals of advanced oxidation processes. Role and review of the determination methods of reactive oxygen species
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AuthorFernández Castro, Pablo; Vallejo Montes, Marta; San Román San Emeterio, María Fresnedo; Ortiz Uribe, Inmaculada
© Wiley. This is the peer reviewed version of the following article: Fernández-Castro, P., Vallejo, M., San Román, M., and Ortiz, I. (2015). Insight on the fundamentals of advanced oxidation processes. Role and review of the determination methods of reactive oxygen species. Journal of Chemical Technology and Biotechnology, 90(5), 796-820., which has been published in final form at https://doi.org/10.1002/jctb.4634. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Journal of Chemical Technology and Biotechnology, 2015, 90(5), 796–820
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Advanced oxidation processes
Reactive oxygen species
Advanced oxidation processes (AOPs) have known increased application to treat wastewaters containing recalcitrant compounds that are hardly degraded by conventional technologies. AOPs are characterized by the formation of strong oxidants such as hydroxyl radicals, superoxide anions, hydroperoxyl radicals and singlet oxygen, which react with the contaminant, contributing to its degradation. This paper provides an overview of the determination methods of reactive oxygen species, ROS, in the application of AOPs; the methods developed in the available literature for the detection and quantification of ROS are reviewed as a first step in the assessment and detailed description of the mechanisms involved in the oxidation reactions, focusing on the critical analysis of the main strengths and weaknesses presented by the probe molecules employed in the evaluated studies.