Application of Catalyst/UV/PU Nanocomposite for Removal of Tetracycline: Response Surface Methodology for Optimization and Kinetic Study
Background: Discharging antibiotics into the environment could cause great concern for scientists. In the present study, tetracycline (TC) antibiotic was photodegraded with titanium dioxide (TiO2) and zinc oxide (ZnO) fixed on the polyurethane (PU) in the presence of ultraviolet (UV) irradiation and...
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Shiraz University of Medical Sciences
2021-01-01
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doaj-b4ef08f1d65043278619709c3ed9fd9c2021-01-09T07:47:40ZengShiraz University of Medical SciencesJournal of Health Sciences and Surveillance System2345-22182345-38932021-01-0191505910.30476/jhsss.2020.88591.114847242Application of Catalyst/UV/PU Nanocomposite for Removal of Tetracycline: Response Surface Methodology for Optimization and Kinetic StudyMohammad Ansarizadeh0Tayebeh Tabatabaei1Mohammad Reza Samaei2Mostafa Leili3Mohammad Mehdi Baneshi4Department of Environmental Engineering, Bushehr Branch, Islamic Azad University, Bushehr, IranDepartment of Environmental Engineering, Bushehr Branch, Islamic Azad University, Bushehr, IranDepartment of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, IranDepartment of Environmental Health Engineering, Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, IranSocial Determinants of Health Research Center, Yasuj University of Medical Sciences, Yasuj, IranBackground: Discharging antibiotics into the environment could cause great concern for scientists. In the present study, tetracycline (TC) antibiotic was photodegraded with titanium dioxide (TiO2) and zinc oxide (ZnO) fixed on the polyurethane (PU) in the presence of ultraviolet (UV) irradiation and optimized through response surface methodology (RSM). Methods: This experimental study was conducted on the most effective variables (pH, contact time, TC concentration, and catalyst doses) for experimental design. The experiments of degradation with the process of PU/UV/nanocatalyst composite were conducted with a reactor glass vessel (1000 mL) as batch mode. Results: The results showed that the quadratic model can be used for the interpretation of experiments. The results of the model represented that all parameters had a significant effect on the tetracycline removal, and the degradation of antibiotics was obtained at the optimum condition that was 95% for ZnO/UV/PU and 97% for TiO2/UV/PU. The main radical for the degradation of TC was hydroxyl ions based on the scavenger study and the first-order kinetic model was best fitted with data. The highest removal efficiency was obtained at pH of 5.2, catalyst dose of 2.64g/m2, TC concentration of 25.21, reaction time of 82 min using ZnO/UV/PU and pH of 5.8, catalyst dose of 2.9 g/m2, TC concentration of 25.12, and reaction time of 90 min using TiO2/UV/PU. Conclusion: It could be concluded that the process of nanocatalyst fixed on polyurethane can significantly eliminate the antibiotic in the presence of ultraviolet irradiation from the effluent of the wastewater treatment plant.https://jhsss.sums.ac.ir/article_47242_456e0f2e729fff57c0be36b6433966ca.pdftetracyclinenanocompositeoptimizationkinetic studynanocatalyst |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Mohammad Ansarizadeh Tayebeh Tabatabaei Mohammad Reza Samaei Mostafa Leili Mohammad Mehdi Baneshi |
spellingShingle |
Mohammad Ansarizadeh Tayebeh Tabatabaei Mohammad Reza Samaei Mostafa Leili Mohammad Mehdi Baneshi Application of Catalyst/UV/PU Nanocomposite for Removal of Tetracycline: Response Surface Methodology for Optimization and Kinetic Study Journal of Health Sciences and Surveillance System tetracycline nanocomposite optimization kinetic study nanocatalyst |
author_facet |
Mohammad Ansarizadeh Tayebeh Tabatabaei Mohammad Reza Samaei Mostafa Leili Mohammad Mehdi Baneshi |
author_sort |
Mohammad Ansarizadeh |
title |
Application of Catalyst/UV/PU Nanocomposite for Removal of Tetracycline: Response Surface Methodology for Optimization and Kinetic Study |
title_short |
Application of Catalyst/UV/PU Nanocomposite for Removal of Tetracycline: Response Surface Methodology for Optimization and Kinetic Study |
title_full |
Application of Catalyst/UV/PU Nanocomposite for Removal of Tetracycline: Response Surface Methodology for Optimization and Kinetic Study |
title_fullStr |
Application of Catalyst/UV/PU Nanocomposite for Removal of Tetracycline: Response Surface Methodology for Optimization and Kinetic Study |
title_full_unstemmed |
Application of Catalyst/UV/PU Nanocomposite for Removal of Tetracycline: Response Surface Methodology for Optimization and Kinetic Study |
title_sort |
application of catalyst/uv/pu nanocomposite for removal of tetracycline: response surface methodology for optimization and kinetic study |
publisher |
Shiraz University of Medical Sciences |
series |
Journal of Health Sciences and Surveillance System |
issn |
2345-2218 2345-3893 |
publishDate |
2021-01-01 |
description |
Background: Discharging antibiotics into the environment could cause great concern for scientists. In the present study, tetracycline (TC) antibiotic was photodegraded with titanium dioxide (TiO2) and zinc oxide (ZnO) fixed on the polyurethane (PU) in the presence of ultraviolet (UV) irradiation and optimized through response surface methodology (RSM).
Methods: This experimental study was conducted on the most effective variables (pH, contact time, TC concentration, and catalyst doses) for experimental design. The experiments of degradation with the process of PU/UV/nanocatalyst composite were conducted with a reactor glass vessel (1000 mL) as batch mode.
Results: The results showed that the quadratic model can be used for the interpretation of experiments. The results of the model represented that all parameters had a significant effect on the tetracycline removal, and the degradation of antibiotics was obtained at the optimum condition that was 95% for ZnO/UV/PU and 97% for TiO2/UV/PU. The main radical for the degradation of TC was hydroxyl ions based on the scavenger study and the first-order kinetic model was best fitted with data. The highest removal efficiency was obtained at pH of 5.2, catalyst dose of 2.64g/m2, TC concentration of 25.21, reaction time of 82 min using ZnO/UV/PU and pH of 5.8, catalyst dose of 2.9 g/m2, TC concentration of 25.12, and reaction time of 90 min using TiO2/UV/PU.
Conclusion: It could be concluded that the process of nanocatalyst fixed on polyurethane can significantly eliminate the antibiotic in the presence of ultraviolet irradiation from the effluent of the wastewater treatment plant. |
topic |
tetracycline nanocomposite optimization kinetic study nanocatalyst |
url |
https://jhsss.sums.ac.ir/article_47242_456e0f2e729fff57c0be36b6433966ca.pdf |
work_keys_str_mv |
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