Batch and fixed-bed column adsorption of crystal violet and safranin by zero-valent iron (nZVI) and nZVI-modified S. cerevisiae

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dc.contributor.authorGuler, Ulker Asli
dc.contributor.authorKundakci, Ozge
dc.date.accessioned2019-07-27T12:10:23Z
dc.date.accessioned2019-07-28T09:38:35Z
dc.date.available2019-07-27T12:10:23Z
dc.date.available2019-07-28T09:38:35Z
dc.date.issued2018
dc.department[Guler, Ulker Asli -- Kundakci, Ozge] Cumhuriyet Univ, Engn Fac, Dept Environm Engn, TR-58140 Sivas, Turkeyen_US
dc.description.abstractBatch and continuous studies were conducted to examine the adsorption and degradation of zero-valent iron (nZVI) and nZVI-modified S. cerevisiae (magnetic yeast) to remove crystal violet (CV) and safranin (SF) from synthetic wastewater. The nZVI and magnetic yeast were characterized using FTIR, SEM, EDX, and BET analysis. pH, initial dye concentration, contact time, adsorbent dosage, temperature, ion selectivity, and the effect of ionic and cationic strength were examined. The adsorption equilibrium data are an excellent fit to the Langmuir, Freundlich, and Dubinin-Radushkevich (D-R) isotherm models. Different adsorption kinetics were used to examine the removal process of CV and SF, which followed a pseudo-second-order model. Adsorption was spontaneous. The adsorption of CV and SF dyes by nZVI-alginate and magnetic biosorbent-alginate in a column was studied. Regeneration efficiency was 76-87% after two cycles.en_US
dc.description.sponsorshipCumhuriyet University, Scientific Research Project Fund [CUBAP/M-547]en_US
dc.description.sponsorshipThis study was supported by Cumhuriyet University, Scientific Research Project Funding (CUBAP/M-547).en_US
dc.identifier.doi10.5004/dwt.2018.22081en_US
dc.identifier.endpage304en_US
dc.identifier.issn1944-3994
dc.identifier.issn1944-3986
dc.identifier.scopus2-s2.0-85046762733en_US
dc.identifier.scopusqualityQ3
dc.identifier.startpage292en_US
dc.identifier.urihttps://dx.doi.org/10.5004/dwt.2018.22081
dc.identifier.urihttps://hdl.handle.net/20.500.12418/6371
dc.identifier.volume106en_US
dc.identifier.wosWOS:000445116000030en_US
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherDESALINATION PUBLen_US
dc.relation.ispartofDESALINATION AND WATER TREATMENTen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectnZVIen_US
dc.subjectMagnetic yeasten_US
dc.subjectDyeen_US
dc.subjectFixed-bed columnen_US
dc.subjectRegenerationen_US
dc.titleBatch and fixed-bed column adsorption of crystal violet and safranin by zero-valent iron (nZVI) and nZVI-modified S. cerevisiaeen_US
dc.typeArticleen_US

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