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Enhanced photocatalytic degradation of tetracycline and real pharmaceutical wastewater using MWCNT/TiO2 nano-composite
Abstract
Photocatalytic degradation of tetracycline using MWCNT/TiO2nanocomposite was investigated under UVC irradiation. The effective operational parameters included pH, irradiation time, photocatalyst dosage, weight ratio of MWCNT to TiO2 and tetracycline concentration and were studied consecutively. Complete removal of tetracycline concentrations of up to 10 mg/L was obtained at MWCNT to TiO2 ratio of 1.5 (w/w%), pH 5, photocatalyst dosage of 0.2 g/L. Pseudo-first order kinetic model was best fitted with the experimental results (R2: 0.91-0.98 for different tetracycline concentrations). Based on TOC analysis, mineralization was 37% in the same reaction conditions for initial tetracycline concentration of 10 mg/L and reached to 83% after 300 min. In the case of real pharmaceutical wastewater, the COD concentration of 2267 mg/L decreased to 342 mg/L after 240 min in the same operational conditions.
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Citations
Cited by
Degradation of antibiotics by advanced oxidation processes: An overview
Wang, J., & Zhuan, R. (2020) · Science of The Total Environment · doi:10.1016/j.scitotenv.2019.135023 · Cited by 1,365
Xu, L., Zhang, H., Xiong, P., Zhu, Q., Liao, C., & Jiang, G. (2021) · Science of The Total Environment · doi:10.1016/j.scitotenv.2020.141975 · Cited by 1,206
Abdurahman, M. H., Abdullah, A. Z., & Shoparwe, N. F. (2021) · Chemical Engineering Journal · doi:10.1016/j.cej.2020.127412 · Cited by 408
Isari, A. A., Payan, A., Fattahi, M., Jorfi, S., & Kakavandi, B. (2018) · Applied Surface Science · doi:10.1016/j.apsusc.2018.08.133 · Cited by 391
Self-citationMadima, N., Mishra, S. B., Inamuddin, I., & Mishra, A. K. (2020) · Environmental Chemistry Letters · doi:10.1007/s10311-020-01001-0 · Cited by 267
Metadata
- Authors
- Ahmadi, M., Ramezani Motlagh, H., Jaafarzadeh, N., Mostoufi, A., Saeedi, R., Barzegar, G., & Jorfi, S.
- Venue
- Journal of Environmental Management
- Publisher
- Elsevier BV
- Published
- 2017-01
- Volume
- 186
- Issue
- Pt 1
- Pages
- 55-63
- ISSN
- 0301-4797 (ISSN-L)
- OpenAlex
- W2553841405
- Cited by
- 453
- References
- 0
- FWCI
- 9.03
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ahmadi, M., Ramezani Motlagh, H., Jaafarzadeh, N., Mostoufi, A., Saeedi, R., Barzegar, G., & Jorfi, S. (2017). Enhanced photocatalytic degradation of tetracycline and real pharmaceutical wastewater using MWCNT/TiO2 nano-composite. Journal of Environmental Management. https://doi.org/10.1016/j.jenvman.2016.09.088
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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