Electrochemical oxidation of textile dye indigo

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dc.authorwosidDogan, Dogan/ABB-7512-2020
dc.contributor.authorDogan, D
dc.contributor.authorTürkdemir, H
dc.date.accessioned2024-08-04T20:14:53Z
dc.date.available2024-08-04T20:14:53Z
dc.date.issued2005
dc.departmentİnönü Üniversitesien_US
dc.description.abstractElectrochemical methods are being used increasingly as an alternative treatment process for the remediation of textile wastewaters. This study focused mainly on the colour removal and chemical oxygen demand (COD) reduction of vat textile dye (CI Vat Blue 1: indigo) from its aqueous solution by electrochemical oxidation. The process was carried out in a batch-type divided electrolytic cell under constant potential using a Pt cage as anode and Pt foil as cathode. Operating variables such as supporting electrolyte, pH, ultrasonification and treatment time were investigated to probe their effects on the efficiency of the electrochemical treatment. Colour removal was estimated by monitoring the disappearance of the absorbance peak at 681.5 nm. It was found that in acidic conditions the electrolysis was more efficient. At pH 1, an NaCl concentration of 0.24 mol dm(-3), a dyeing solution concentration of 0.1% (w/v) and a period of 90 min of electrolysis, there was almost 100% colour removal and 60% reduction in COD. Voltammetric and IR investigations demonstrated that partial degradation of dye was achieved. The experimental results indicate that this electrochemical method could effectively be used as a pretreatment stage before conventional treatment. (c) 2005 Society of Chemical Industry.en_US
dc.identifier.doi10.1002/jctb.1262
dc.identifier.endpage923en_US
dc.identifier.issn0268-2575
dc.identifier.issn1097-4660
dc.identifier.issue8en_US
dc.identifier.scopus2-s2.0-22744457293en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage916en_US
dc.identifier.urihttps://doi.org/10.1002/jctb.1262
dc.identifier.urihttps://hdl.handle.net/11616/94017
dc.identifier.volume80en_US
dc.identifier.wosWOS:000230701800009en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofJournal of Chemical Technology and Biotechnologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectelectro-oxidationen_US
dc.subjectdye treatmenten_US
dc.subjectindigoen_US
dc.subjectcolour removalen_US
dc.subjectCOD reductionen_US
dc.titleElectrochemical oxidation of textile dye indigoen_US
dc.typeArticleen_US

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