Research Article
Rhizopus delemar ve Candida türlerinin immobilizasyonu ile sentezlenen biyokompozitlerle tetrasiklin giderimi
Abstract
Bu çalışmada mikroorganizma olarak Candida türü (Candida lipolytica, Candida membranaefaciens, Candida tropicalis, Candida utilis) mayaların ve Rhizopus delemar mantarının kitosana tutuklanması ile hazırlanan biyokompozitlerle tetrasiklin adsorpsiyonu incelenmiştir. Kullanılan parametre aralıklarında pH 2-7, sıcaklık 25-55 0C, derişimi 10-100 mg/L, optimum pH değeri 4.0 ve sıcaklık 250C maksimum kapasite tetrasiklin için kitosan-Candida utilis biyokompozitinin için 1.179 mg/g olarak belirlenmiştir. Deneysel denge verilerinin kitosan ve biyokompozitler için Freundlich izoterm modeline, kinetik veriler ise ikinci dereceden kinetik hız modeli uygunluğu görülmüştür. Entalpi, entropi ve Gibss serbest enerji değişimi termodinamik paremetrelere göre çalışan adsorpsiyon prosesinin ekzotermik ve istemli olduğu belirlenmiştir. Kitosan-Candida utilis biyokompozitinin adsorpsiyon öncesi ve sonrası FTIR, SEM analizleri ile karakterizasyon çalışmaları gerçekleşmiştir. Yapılan bu çalışma ile yeni kitosan-mikroorganizma biyokompozitlerinin tetrasiklin giderimi için alternatif olacağı düşünülmüştür.
References
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Year 2019,
Volume: 34 Issue: 3, 1417 - 1426, 29.05.2019
Abstract
References
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- 2. Bağda E., Ersan M., Bağda E., Investigation of adsorptive removal of tetracycline with sponge like, Rosa canina gall extract modified, polyacrylamide cryogels, J. Environ. Chem. Eng., 1, 1079–1084, 2013.
- 3. Sarmah, A.K., Meyer, M.T., Boxall, A.B.A., A global perspective on the use, sales, exposure pathways, occurrence, fate and effects of veterinary antibiotics (VAs) in the environment, Chemosphere, 65, 725–759, 2006.
- 4. Watkinson, A.J., Murby, E.J., Costanzo, S.D., Removal of antibiotics in conventional and advanced wastewater treatment: Implications for environmental discharge and wastewater recycling, Water Res., 41, 4164–4176, 2007.
- 5. Chang, P., Li, Z., Yu, T., Munkhbayer, S., Kuo, T., Hung, Y.., Jean, Lin, J. K., Sorptive removal of tetracycline from water by palygorskite, J. Hazard. Mater., 165, 148-155, 2009.
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- 7. Chen, W.R., Huang, C.H., Adsorption and transformation of tetracycline antibiotics with aluminum oxide, Chemosphere, 79, 779–785, 2010.
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- 10. Tanis, E., Hanna, K., Emmanuel, Experimental and modelling studies of sorption of tetracyline onto iron oxides-coated quartz, Colloids Surf., A327, 57-63, 2008.
There are 10 citations in total.
Details
| Primary Language | Turkish |
|---|---|
| Subjects | Engineering |
| Journal Section | Makaleler |
| Authors | |
| Publication Date | May 29, 2019 |
| Submission Date | March 9, 2018 |
| Published in Issue | Year 2019 Volume: 34 Issue: 3 |