Modeling and optimizing Fenton and electro-Fenton processes for dairy wastewater treatment using response surface methodology

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dc.contributor.authorAkkaya, G. K.
dc.contributor.authorErkan, H. S.
dc.contributor.authorSekman, E.
dc.contributor.authorTop, S.
dc.contributor.authorKaraman, H.
dc.contributor.authorBilgili, M. S.
dc.contributor.authorEngin, G. O.
dc.date.accessioned2024-02-23T14:00:09Z
dc.date.available2024-02-23T14:00:09Z
dc.date.issued2019
dc.departmentNEÜen_US
dc.description.abstractIn this paper, dairy wastewater treatment was investigated by Fenton and electro-Fenton (EF) processes in respect of removal efficiencies of chemical oxygen demand (COD), orthophosphate, suspended solid (SS), and color. The response surface methodology (RSM) approach using Box-Behnken design was carried out to develop mathematical model and to optimize process parameters. Experimental data were analyzed by the analysis of variance (ANOVA) to identify the interaction mechanism between the process variables and the dependent variables. According to ANOVA results of Fenton process, COD removal increased with an increase in H2O2/COD ratio and reaction time but decreased with increased H2O2/Fe2+ ratio and initial pH. Opposing to that, in the EF process, COD removal increased with an increase in H2O2/Fe2+ ratio and reaction time but decreased with an increase in H2O2/COD ratio and initial pH. The COD removal efficiencies were 65.5 and 72% under the optimum conditions for Fenton (H2O2/COD ratio 1.9, H2O2/Fe2+ ratio 5, pH 4 and reaction time 10min) and electro-Fenton (H2O2/COD ratio 2, current density 32mA/cm(2), pH 2.4 and reaction time 45min) processes, respectively. No significant removal differences for orthophosphate, SS and color were determined between the two processes because the removal efficiencies were over the 88% for each process configuration where P value was greater than 5.6*10(-5) with 99% confidence level and greater than 1.7*10(-3) with 95% confidence level for all responses for Fenton and EF processes, respectively).en_US
dc.identifier.doi10.1007/s13762-018-1846-0
dc.identifier.endpage2358en_US
dc.identifier.issn1735-1472
dc.identifier.issn1735-2630
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-85049042347en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage2343en_US
dc.identifier.urihttps://doi.org/10.1007/s13762-018-1846-0
dc.identifier.urihttps://hdl.handle.net/20.500.12452/11464
dc.identifier.volume16en_US
dc.identifier.wosWOS:000465495200015en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofInternational Journal Of Environmental Science And Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDairy Wastewateren_US
dc.subjectFenton Processen_US
dc.subjectElectro-Fenton Processen_US
dc.subjectRsmen_US
dc.subjectOptimizationen_US
dc.titleModeling and optimizing Fenton and electro-Fenton processes for dairy wastewater treatment using response surface methodologyen_US
dc.typeArticleen_US

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