Removal of oxytetracycline hydrochloride from aqueous solutions using natural zeolite

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dc.contributor.authorBaskan, Gulsah
dc.contributor.authorAcikel, Unsal
dc.contributor.authorLevent, Menderes
dc.date.accessioned2024-10-26T18:00:40Z
dc.date.available2024-10-26T18:00:40Z
dc.date.issued2023
dc.departmentSivas Cumhuriyet Üniversitesi
dc.description.abstractPurpose: Antibiotics have been widely used in human and veterinary medicines and the presence of antibiotics in the environment causes environmental pollution. For this reason, in this study, we investigated the adsorption of OTC-HCL from aqueous solutions with natural zeolite in a batch reactor.Theory and Methods: Adsorption is commonly known as the mass transfer of organic matter from a liquid phase onto the surface of a solid and it is extensively used in water treatment due to its cheap and efficient treatment. In the present study the effects of some parameters such as pH, initial concentration, adsorbent dosage, contact time, stirring speed and temperature on adsorption were examined. The adsorption process at equilibrium was investigated with Langmuir, Freundlich, Dubinin-Radushkevich (D-R), Temkin models. Kinetic data were examined with pseudo-first order (PFO), pseudo-second order (PSO), intraparticle diffusion and Elovich kinetics. Zeolite characterization was analyzed by N2 adsorption-desorption, XRD, FTIR, SEM-EDX instruments.Results: Adsorption of OTC-HCL on natural zeolite fitted well to the Freundlich and pseudo-second-order models. The maximum adsorption capacity of natural zeolite was determined as 60.97 mg/g at 323 K. Thermodynamic studies indicated that the adsorption of OTC-HCL on natural zeolite was spontaneous and endothermic. Characterization results showed that the adsorption of OTC-HCL on natural zeolite was successfully achieved.Conclusion: Natural zeolites may be an efficient adsorbent for the removal of antibiotics and the present study may constitute a sample for a new adsorbent.
dc.description.sponsorshipScientific Research Projects Unit of Sivas Cumhuriyet University [BAP/M-764]
dc.description.sponsorshipThe authors thank the Scientific Research Projects Unit of Sivas Cumhuriyet University (project coded BAP/M-764) for their financial support. The authors gratefully acknowledge the antibiotic and zeolite provided by Deva Holding-Istanbul-Turkey and Gordes Zeolite Company-Izmir-Turkey.
dc.identifier.doi10.17341/gazimmfd.1008501
dc.identifier.endpage1517
dc.identifier.issn1300-1884
dc.identifier.issn1304-4915
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85146844058
dc.identifier.scopusqualityQ2
dc.identifier.startpage1505
dc.identifier.trdizinid1159575
dc.identifier.urihttps://doi.org/10.17341/gazimmfd.1008501
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1159575
dc.identifier.urihttps://hdl.handle.net/20.500.12418/27779
dc.identifier.volume38
dc.identifier.wosWOS:000968663800017
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherGazi Univ, Fac Engineering Architecture
dc.relation.ispartofJournal of the Faculty of Engineering and Architecture of Gazi University
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectOxytetracycline hydrochloride
dc.subjectClinoptilolite
dc.subjectNatural zeolite
dc.subjectAntibiotic
dc.subjectAdsorption
dc.titleRemoval of oxytetracycline hydrochloride from aqueous solutions using natural zeolite
dc.typeArticle

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