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Diamond electrode facilitated electrosynthesis of water and wastewater treatment oxidants

Serrano Mora, Adrián and McBeath, Sean T. and Cid, Clément A. and Hoffmann, Michael R. and Graham, Nigel J. D. (2022) Diamond electrode facilitated electrosynthesis of water and wastewater treatment oxidants. Current Opinion in Electrochemistry, 32 . Art. No. 100899. ISSN 2451-9103. doi:10.1016/j.coelec.2021.100899. https://resolver.caltech.edu/CaltechAUTHORS:20220513-557930000

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Abstract

While diamond electrodes have been commonly used to generate •OH to treat a variety of persistent water and wastewater micropollutants, mass transfer limitations and the non-selective, short-lived nature of the •OH restrict the degradation to the solution at, or near, the electrode surface. However, diamond electrodes can generate oxidizing species that facilitate micropollutant degradation in the bulk water solution. These include persulfate, sulfate radicals, peroxodiphosphate, ferrate, permanganate, reactive chlorine species, hydrogen peroxide, and ozone, which have been reported during electrochemical treatment of water with diamond electrodes. Although still restricted to specialized applications, recent studies, summarized in this review, have proven the electrogeneration of these additional oxidant species to be effective. They have shown the adaptability and potential of diamond electrode-based water treatment to mitigate the presence of micropollutants in water.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/j.coelec.2021.100899DOIArticle
ORCID:
AuthorORCID
Serrano Mora, Adrián0000-0002-0204-9292
McBeath, Sean T.0000-0003-0701-1645
Cid, Clément A.0000-0002-7293-035X
Hoffmann, Michael R.0000-0001-6495-1946
Additional Information:© 2021 Elsevier. Available online 27 November 2021, Version of Record 18 December 2021. This review comes from a themed issue on Diamond Electrochemistry; Edited by Guohua Zhao, Nianjun Yang, and Carlos A. Martínez-Huitle. This work was supported, in whole or in part, by the Bill & Melinda Gates Foundation [INV003227]. The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Funders:
Funding AgencyGrant Number
Bill and Melinda Gates FoundationINV003227
Subject Keywords:Boron-doped diamond; Water; Wastewater; Electrosynthesis; Oxidant; Oxidation
DOI:10.1016/j.coelec.2021.100899
Record Number:CaltechAUTHORS:20220513-557930000
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20220513-557930000
Official Citation:Adrián Serrano Mora, Sean T. McBeath, Clément A. Cid, Michael R. Hoffmann, Nigel J.D. Graham, Diamond electrode facilitated electrosynthesis of water and wastewater treatment oxidants, Current Opinion in Electrochemistry, Volume 32, 2022, 100899, ISSN 2451-9103, https://doi.org/10.1016/j.coelec.2021.100899.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:114742
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:16 May 2022 16:24
Last Modified:16 May 2022 16:24

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