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Synchronized methylene blue removal using Fenton-like reaction induced by phosphorous oxoanion and submerged plasma irradiation process

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dc.contributor.authorLee, Hongshin-
dc.date.accessioned2021-09-02T16:19:27Z-
dc.date.available2021-09-02T16:19:27Z-
dc.date.created2021-06-21-
dc.date.issued2018-01-
dc.identifier.issn0301-4797-
dc.identifier.urihttps://scholar.korea.ac.kr/handle/2021.sw.korea/78031-
dc.description.abstractIn this study, a combination of phosphorus (PP) oxoanions in a submerged plasma irradiation (SPI) system was used to enhance the removal efficiency of dyes from wastewater. The SPI system showed synergistic methylene blue removal efficiency, due to the plasma irradiation and Fenton -like oxidation. The ferrous ions released from the iron electrode in the SPI system under plasmonic conditions form complexes with the PP anions, which can then react with dissolved oxygen (O-2) or hydrogen peroxide (H2O2) via Fenton -like reactions. The experimental results revealed that a sodium triphosphate (TPP) combined SPI system has a higher dye removal efficiency than a tetrasodium pyrophosphate (DP) or a sodium hexametaphosphate (HMP) combined SPI system under similar dissolved iron ion concentrations. To confirm the accuracy of the proposed removal mechanism via Fenton -like oxidation, it was compared to SPI systems under an oxygen environment (TPP/SPI/O-2 (k = 0.0182 s(-1))) and a nitrogen environment (TPP/SPI/N-2 (k = 0.0062 s(-1))). The results indicate that the hydroxyl radical (center dot OH) in the TPP/SPI/O-2 system is the major oxidant in methylene blue removal, because the dye degradation rates dramatically decreased with the addition of radical scavengers such as tert-butanol (k =-
dc.languageEnglish-
dc.language.isoen-
dc.publisherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD-
dc.titleSynchronized methylene blue removal using Fenton-like reaction induced by phosphorous oxoanion and submerged plasma irradiation process-
dc.typeArticle-
dc.contributor.affiliatedAuthorLee, Hongshin-
dc.identifier.doi10.1016/j.jenvman.2017.10.024-
dc.identifier.bibliographicCitationJOURNAL OF ENVIRONMENTAL MANAGEMENT, v.206, pp.77 - 84-
dc.relation.isPartOfJOURNAL OF ENVIRONMENTAL MANAGEMENT-
dc.citation.titleJOURNAL OF ENVIRONMENTAL MANAGEMENT-
dc.citation.volume206-
dc.citation.startPage77-
dc.citation.endPage84-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordAuthorSubmerged plasma irradiation (SPI)-
dc.subject.keywordAuthorPhosphorous oxoanion-
dc.subject.keywordAuthorFenton-like reaction-
dc.subject.keywordAuthorHydroxyl radical-
dc.subject.keywordAuthorMethylene blue-
dc.subject.keywordAuthorDye wastewater treatment-
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