Treatment of dye-producing chemical industry wastewater by persulfate advanced oxidation

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dc.contributor.authorÇifçi, Deniz İzlen
dc.contributor.authorGüneş, Elçin
dc.contributor.authorGüneş, Yalçın
dc.date.accessioned2022-05-11T14:17:07Z
dc.date.available2022-05-11T14:17:07Z
dc.date.issued2020
dc.departmentFakülteler, Çorlu Mühendislik Fakültesi, Çevre Mühendisliği Bölümü
dc.description.abstractA dye-producing chemical industry wastewater in Çorlu (Tekirdağ) is treated by the coagulation-flocculation process of the wastewater. However, the wastewater discharged after coagulation-flocculation still has a very high COD (4402 mg L-1) with very high proportion of dissolved COD (4316 mg L-1). Therefore, the aim of this study is to achieve higher COD and color removal in wastewater using Fe2+/S2O8 or UV/S2O8 oxidation process after coagulation-flocculation. The processes in the oxidation of this industrial wastewater using Fe2+/S2O8 and UV/S2O8 were examined and the effect of COD/Fe2+/S2O8 ratio (in Fe2+/S2O8) or COD/S2O8 ratio (in UV/S2O8), pH and oxidation time were evaluated in the study. While high organic matter and color removal was observed in acidic conditions for both processes, optimum pH were 3 and 6 in Fe2+/S2O8 and UV/S2O8 oxidation processes, respectively. In Fe2+/S2O8 oxidation, 61.1% of COD removal and above 97% of color (UV436, UV525 and UV620) removal was obtained at 1/8/8 of COD/Fe2+/S2O8 ratio and pH 3 after 1 h oxidation. In UV/S2O8 oxidation (COD/S2O8 ratio 1/8, pH 6), 54.4% of COD and 98% of color (UV436, UV525 and UV620) removals were achieved after 4 h oxidation. As a result, both Fe2+/S2O8 and UV/S2O8 oxidation processes were applied to ensure discharge standards for color removal from this chemical industry wastewater are effective methods as they provide over 97% color removal. Moreover, COD removal efficiency was approximately 55-60% in both methods.
dc.identifier.doi10.35208/ert.771190
dc.identifier.endpage156
dc.identifier.issn2636-8498
dc.identifier.issn2636-8498
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-85115374213
dc.identifier.scopusqualityN/A
dc.identifier.startpage149
dc.identifier.urihttps://doi.org/10.35208/ert.771190
dc.identifier.urihttps://app.trdizin.gov.tr/makale/TkRnMU5EVTJOZz09
dc.identifier.urihttps://hdl.handle.net/20.500.11776/6195
dc.identifier.volume3
dc.indekslendigikaynakScopus
dc.institutionauthorÇifçi, Deniz İzlen
dc.institutionauthorGüneş, Elçin
dc.institutionauthorGüneş, Yalçın
dc.language.isoen
dc.relation.ispartofEnvironmental Research & Technology
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titleTreatment of dye-producing chemical industry wastewater by persulfate advanced oxidation
dc.typeArticle

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