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Jannat Abadi, M. H., Nouri, S. M. M., Zhiani, R., Heydarzadeh, H. D., Motavalizadehkakhky, A.. (1398). Removal of tetracycline from aqueous solution using Fe-doped zeolite. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 10(4), 291-300. doi: https://doi.org/10.1007/s40090-019-0191-6
M. H. Jannat Abadi; S. M. M. Nouri; R. Zhiani; H. D. Heydarzadeh; A. Motavalizadehkakhky. "Removal of tetracycline from aqueous solution using Fe-doped zeolite". نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 10, 4, 1398, 291-300. doi: https://doi.org/10.1007/s40090-019-0191-6
Jannat Abadi, M. H., Nouri, S. M. M., Zhiani, R., Heydarzadeh, H. D., Motavalizadehkakhky, A.. (1398). 'Removal of tetracycline from aqueous solution using Fe-doped zeolite', نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 10(4), pp. 291-300. doi: https://doi.org/10.1007/s40090-019-0191-6
Jannat Abadi, M. H., Nouri, S. M. M., Zhiani, R., Heydarzadeh, H. D., Motavalizadehkakhky, A.. Removal of tetracycline from aqueous solution using Fe-doped zeolite. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 1398; 10(4): 291-300. doi: https://doi.org/10.1007/s40090-019-0191-6

Removal of tetracycline from aqueous solution using Fe-doped zeolite

International Journal of Industrial Chemistry
دوره 10، شماره 4، اسفند 2019، صفحه 291-300
نوع مقاله: research article
شناسه دیجیتال (DOI): https://doi.org/10.1007/s40090-019-0191-6
نویسندگان
M. H. Jannat Abadi1؛ S. M. M. Nouri* 2؛ R. Zhiani3، 4؛ H. D. Heydarzadeh2؛ A. Motavalizadehkakhky5
1Chemical Engineering Department, Islamic Azad University, Neyshabur Branch, Neyshabur, Iran
2Chemical Engineering Department, Hakim Sabzevari University, Sabzevar, 9617976487, Iran
3Young Researchers and Elite Club, Islamic Azad University, Neyshabur Branch, Neyshabur, Iran
4Chemistry Department, New Materials Technology and Processing Research Center, Islamic Azad University, Neyshabur Branch, Neyshabur, Iran
5Chemistry Department, Islamic Azad University, Neyshabur Branch, Neyshabur, Iran
چکیده
Tetracycline is one of the most widely used antibiotics that causes contamination of aqueous environments and has raised serious concern during the past few years. In this work, adsorption of tetracycline on a modified zeolite was studied through a batch system. Synthetic zeolite 13X was modified using Fe(III). The results show that the removal efficiency of tetracycline by modified zeolite has considerably increased. Different experiments were carried out in order to analyze the effect of parameters such as pH, initial concentration of tetracycline, time, etc. The results indicate that tetracycline adsorption on the zeolite strongly depends on the pH of the solution due to amphoteric functional groups of tetracycline and maximum adsorption capacity of tetracycline by modified zeolite with a pH of approximately 6. The Langmuir isotherm shows good agreement with the experimental data suggesting monolayer adsorption. Maximum adsorption capacity of the modified zeolite reached at the experiments is almost 200 mg/g. XRD, XRF and FTIR results confirm the existence of the Fe phase in the zeolite texture. Amide groups of TC were responsible for the complexation with Fe3+. Also, tetracycline removal was studied in a continuous column to simulate an industrial waste water process.
کلیدواژه‌ها
Tetracycline removal · Adsorption · Modified zeolite · Fe؛ doped sorbent
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