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dc.contributor.authorNovák, Vlastimil
dc.contributor.authorRaška, Pavel
dc.contributor.authorMatýsek, Dalibor
dc.contributor.authorKostura, Bruno
dc.date.accessioned2019-01-09T13:26:21Z
dc.date.available2019-01-09T13:26:21Z
dc.date.issued2018
dc.identifier.citationJournal of Solid State Electrochemistry. 2018, vol. 22, issue 11, p. 3457-3466.cs
dc.identifier.issn1432-8488
dc.identifier.issn1433-0768
dc.identifier.urihttp://hdl.handle.net/10084/133511
dc.description.abstractThe paper deals with the study of electrochemical properties of blast furnace sludge after acid leaching (BFSL) using modified carbon paste electrodes (CPEs) in acidic (1M HCl) and alkaline (1M NaOH) electrolyte. A polyamide holder with exchangeable tips was developed. The effect of their geometric parameters on the electrochemical response was monitored. The electrochemical characterization was performed by cyclic voltammetry (CV) at different scan rates. The hematite and magnetite served as comparative model modifiers. The identification of reaction products was performed using the RTG diffraction and SEM/EDX analyses. It was found that reduction reactions are suppressed at acidic pH. On the contrary, in an alkaline media, a significant peak corresponding to the electrode reduction of iron oxides based on the scheme (Fe3+Fe2+Fe0) was identified in the BFSL reduction region. XRD and SEM analyses of the active surface of modified CPE showed the formation of nanostructured Fe. The results provide direction for the further use of BFSL.cs
dc.language.isoencs
dc.publisherSpringercs
dc.relation.ispartofseriesJournal of Solid State Electrochemistrycs
dc.relation.urihttp://doi.org/10.1007/s10008-018-4056-2cs
dc.rights© Springer-Verlag GmbH Germany, part of Springer Nature 2018cs
dc.subjectblast furnace sludgecs
dc.subjecthematitecs
dc.subjectmagnetitecs
dc.subjectcarbon paste electrodecs
dc.subjectcyclic voltammetrycs
dc.titleElectrochemical characterization of fine-grained blast furnace sludge after acid leaching using carbon paste electrodecs
dc.typearticlecs
dc.identifier.doi10.1007/s10008-018-4056-2
dc.type.statusPeer-reviewedcs
dc.description.sourceWeb of Sciencecs
dc.description.volume22cs
dc.description.issue11cs
dc.description.lastpage3466cs
dc.description.firstpage3457cs
dc.identifier.wos000451462800013


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