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Heterogeneous photocatalytic degradation of ibuprofen in ultrapure water, municipal and pharmaceutical industry wastewaters using a TiO2/UV-LED system
Open accessAbstract
Abstract Degradation and mineralization of ibuprofen (IBU) were investigated using Ultraviolet (UV) Light Emitting Diodes (LEDs) in TiO 2 photocatalysis. Samples of ultrapure water (UP) and a secondary treated effluent of a municipal wastewater treatment plant (WWTP), both spiked with IBU, as well as a highly concentrated IBU (230 mg L −1 ) pharmaceutical industry wastewater (PIWW), were tested in the TiO 2 /UV-LED system. Three operating parameters, namely, pH, catalyst load and number of LEDs were optimized. The process efficiency was evaluated in terms of IBU removal using high performance liquid chromatography (HPLC) and ultra-high performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS). Additionally, the mineralization was investigated by determining the dissolved organic carbon (DOC) content. The chemical structures of transformation products were proposed based on the data obtained using liquid chromatography with a high resolution mass spectrometer ion trap/time-of-flight (LC-MS-IT-TOF). A possible pathway of IBU degradation was accordingly suggested. Bioassays were performed using the marine bacterium Vibrio fischeri to evaluate the potential acute toxicity of original and treated wastewaters. TiO 2 heterogeneous photocatalysis was efficient to remove IBU from UP and from PIWW, and less efficient in treating the wastewater from the municipal WWTP. The acute toxicity decreased by ca. 40% after treatment, regardless of the studied matrix.
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Cites
Pharmaceuticals as emerging contaminants and their removal from water. A review
Rivera-Utrilla, J., Sánchez-Polo, M., Ferro-García, M. Á., Prados-Joya, G., & Ocampo-Pérez, R. (2013) · Chemosphere · doi:10.1016/j.chemosphere.2013.07.059 · Cited by 1,486
Cited by
Impact of water matrix on the removal of micropollutants by advanced oxidation technologies
Lado Ribeiro, A. R., Moreira, N. F. F., Li Puma, G., & Silva, A. M. T. (2019) · Chemical Engineering Journal · doi:10.1016/j.cej.2019.01.080 · Cited by 574
Self-citationMatafonova, G., & Batoev, V. (2018) · Water Research · doi:10.1016/j.watres.2017.12.079 · Cited by 462
TiO2 Based Photocatalysis Membranes: An Efficient Strategy for Pharmaceutical Mineralization
Kumar, S., Bhawna, Sharma, R., Gupta, A., Dubey, K. K., Khan, A. M., Singhal, R., Kumar, R., Bharti, A., Singh, P., et al. (2022) · Science of The Total Environment · doi:10.1016/j.scitotenv.2022.157221 · Cited by 53
Shi, X., Zhang, Y., Liu, X., Jin, H., Lv, H., He, S., Hao, H., & Li, C. (2019) · Catalysts · doi:10.3390/catal9050426 · Cited by 23
Metadata
- Authors
- Jallouli, N., Pastrana-Martínez, L. M., Ribeiro, A. R., Moreira, N. F. F., Faria, J. L., Hentati, O., Silva, A. M. T., & Ksibi, M.
- Venue
- Chemical Engineering Journal
- Publisher
- Elsevier BV
- Published
- 2018-02
- Volume
- 334
- Pages
- 976-984
- ISSN
- 1385-8947 (ISSN-L)
- OpenAlex
- W2761411938
- Cited by
- 314
- References
- 1
- FWCI
- 15.19
- Type
- journal article
- Language
- en
- Open access
- green
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- Jallouli, N., Pastrana-Martínez, L. M., Ribeiro, A. R., Moreira, N. F. F., Faria, J. L., Hentati, O., Silva, A. M. T., & Ksibi, M. (2018). Heterogeneous photocatalytic degradation of ibuprofen in ultrapure water, municipal and pharmaceutical industry wastewaters using a TiO2/UV-LED system. Chemical Engineering Journal. https://doi.org/10.1016/j.cej.2017.10.045
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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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