Removal of Turbidity from Travertine Processing Wastewaters by Coagulants, Flocculants and Natural Materials

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dc.contributor.authorOnen, Vildan
dc.contributor.authorBeyazyuz, Pinar
dc.contributor.authorYel, Esra
dc.date.accessioned2020-03-26T19:55:30Z
dc.date.available2020-03-26T19:55:30Z
dc.date.issued2018
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe sedimentation behaviour of travertine-processing wastewater containing a high concentration of suspended solids was investigated using different coagulation and flocculation methods. In batch experiments, four types of coagulants [FeC1(3), Al-2(SO4)(3), PACl, NaAlO2], six types of flocculants (40% MMW-40% HMW cationic, 30% MMW, 40% MMW, 40% HMW anionic and nonionic) and three types of natural materials (NMs) (sepiolite, zeolite, and pumice) were used to treat wastewater with an initial turbidity of 570-880 NTU. The optimum process conditions (dosage, mixing time/speed, sedimentation time, and pH) were investigated for each. Sedimentation performance was assessed by the effluent turbidity (T (eff)) values of the treated water. The best performances obtained were 99.3% (T (eff) = 4 NTU), 99.1% (T (eff) = 8 NTU), and 97.8% (T (eff) = 18 NTU) with 40% HMW anionic-cationic flocculants, zeolite, and FeCl3, respectively. Sludge properties, including sludge settling velocity (mm/min), sludge density (g/cm(3)), suspended solids (SS) content (mg/L), and sludge solids (%) were determined and compared under optimized conditions. The type of additive significantly affected performance. Travertine processing wastewater flocculation with polymeric materials and NMs, especially zeolite, was more favourable than coagulants in terms of both turbidity removal and sludge quality. Since zeolite is a NM, additional studies on using and recycling of the generated sludge as an industrial feedstock would be worthwhile.en_US
dc.description.sponsorshipCoordinatorship of Selcuk University Scientific Research ProjectsSelcuk University [09201104]en_US
dc.description.sponsorshipThis study was supported by the Coordinatorship of Selcuk University Scientific Research Projects (Grant 09201104).en_US
dc.identifier.doi10.1007/s10230-017-0499-4en_US
dc.identifier.endpage492en_US
dc.identifier.issn1025-9112en_US
dc.identifier.issn1616-1068en_US
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage482en_US
dc.identifier.urihttps://dx.doi.org/10.1007/s10230-017-0499-4
dc.identifier.urihttps://hdl.handle.net/20.500.12395/36919
dc.identifier.volume37en_US
dc.identifier.wosWOS:000440995800007en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSPRINGER HEIDELBERGen_US
dc.relation.ispartofMINE WATER AND THE ENVIRONMENTen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectMarbleen_US
dc.subjectPhysicochemical treatmenten_US
dc.subjectPumiceen_US
dc.subjectSepioliteen_US
dc.subjectZeoliteen_US
dc.titleRemoval of Turbidity from Travertine Processing Wastewaters by Coagulants, Flocculants and Natural Materialsen_US
dc.typeArticleen_US

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