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Abstract
Contamination of drinking water sources with recalcitrant organic pollutants is a major health issue requiring advanced oxidation processes for the degradation of such pollutants. Here we review the use of advanced oxidation processes-based treatment of water, wastewater, and sludge, with focus on singlet oxygen production, reactivity mechanisms, and applications. Processes for single-oxygen production include photochemical production, decomposition of hydrogen peroxide, ozonides, endoperoxides, and sulfate radical-based advanced oxidation. Singlet oxygen is one of the main non-radical reactive oxygen species that are generated during advanced oxidation processes. It is less reactive but highly selective toward electron-rich organic compounds, compared to hydroxyl and sulfate radicals. When generated in large quantities, singlet oxygen can be the dominant reactive oxygen species responsible for the degradation of targeted pollutants. Singlet oxygen is less affected by water matrix components including dissolved organic matter and scavenging by anions.
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Authors (7)
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Puthiya Veetil Nidheesh
- CSIR, National Environmental Engineering Research Institute, Nagpur, Maharashtra, 440020, India
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Soliu O. Ganiyu
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB, T6G 2W2, Canada
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Akeem Adeyemi Oladipo
- Chemistry Department, Polymeric Materials Research Laboratory, Faculty of Arts and Science, Eastern Mediterranean University, Via Mersin 10, Famagusta, TR North Cyprus, Türkiye
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Ruiyang Xiao
- Institute of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, China
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Dionysios D. Dionysiou
- Environmental Engineering and Science Program, University of Cincinnati, Cincinnati, OH, 45221, USA
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
Environmental Chemistry Letters
no. 23,
pages 195 - 240,
ISSN: 1610-3653 - Language:
- English
- Publication year:
- 2025
- Bibliographic description:
- Nidheesh P. V., Boczkaj G., Ganiyu S. O., Oladipo A. A., Fedorov K., Xiao R., Dionysiou D. D.: Generation, properties, and applications of singlet oxygen for wastewater treatment: a review// Environmental Chemistry Letters -Vol. 23,iss. 1 (2025), s.195-240
- DOI:
- Digital Object Identifier (open in new tab) 10.1007/s10311-024-01798-0
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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