{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["233(4)"],"submitter":["da Luz VC"],"pubmed_abstract":["This study aimed to evaluate the implementation of an advanced oxidation system based on UV radiation and UV/H<sub>2</sub>O<sub>2</sub> for degradation of TCS and IBU in synthetic effluent. The assays occurred in a 2-L reactor, protected from external light and equipped with a UV lamp (<i>λ</i> = 254 nm). The effect of contaminant concentration, fractions of chemical species present, and mineralization were evaluated. In the UV/ H<sub>2</sub>O<sub>2</sub> system, different concentrations of H<sub>2</sub>O<sub>2</sub> were studied for oxidation of the contaminants. The kinetic experiments took place between 75 and 270 min of UV irradiation. The results showed > 99% oxidation of TCS in the direct photolysis system at pH 9.4 after 12 min. The degradation of IBU in the UV/H<sub>2</sub>O<sub>2</sub> system, when 10 mg L<sup>-1</sup> of H<sub>2</sub>O<sub>2</sub> was used, was 97.39% oxidation. We obtained <i>k'</i> values of 0.189 min<sup>-1</sup> for TCS when its highest oxidation occurred and <i>k'</i> values of 0.0219 min<sup>-1</sup> for IBU. The system was not able to completely mineralize the contaminants, presenting high values of TOC and COD after treatment, thus suggesting the occurrence of phototransformation.<h4>Supplementary information</h4>The online version contains supplementary material available at 10.1007/s11270-022-05583-z."],"journal":["Water, air, and soil pollution"],"pagination":["126"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8975727"],"repository":["biostudies-literature"],"pubmed_title":["Enhanced UV Direct Photolysis and UV/H<sub>2</sub>O<sub>2</sub> for Oxidation of Triclosan and Ibuprofen in Synthetic Effluent: an Experimental Study."],"pmcid":["PMC8975727"],"pubmed_authors":["Dalla Rosa C","Bazoti SF","Pasquali GDL","da Luz VC","Behling L"],"additional_accession":[]},"is_claimable":false,"name":"Enhanced UV Direct Photolysis and UV/H<sub>2</sub>O<sub>2</sub> for Oxidation of Triclosan and Ibuprofen in Synthetic Effluent: an Experimental Study.","description":"This study aimed to evaluate the implementation of an advanced oxidation system based on UV radiation and UV/H<sub>2</sub>O<sub>2</sub> for degradation of TCS and IBU in synthetic effluent. The assays occurred in a 2-L reactor, protected from external light and equipped with a UV lamp (<i>λ</i> = 254 nm). The effect of contaminant concentration, fractions of chemical species present, and mineralization were evaluated. In the UV/ H<sub>2</sub>O<sub>2</sub> system, different concentrations of H<sub>2</sub>O<sub>2</sub> were studied for oxidation of the contaminants. The kinetic experiments took place between 75 and 270 min of UV irradiation. The results showed > 99% oxidation of TCS in the direct photolysis system at pH 9.4 after 12 min. The degradation of IBU in the UV/H<sub>2</sub>O<sub>2</sub> system, when 10 mg L<sup>-1</sup> of H<sub>2</sub>O<sub>2</sub> was used, was 97.39% oxidation. We obtained <i>k'</i> values of 0.189 min<sup>-1</sup> for TCS when its highest oxidation occurred and <i>k'</i> values of 0.0219 min<sup>-1</sup> for IBU. The system was not able to completely mineralize the contaminants, presenting high values of TOC and COD after treatment, thus suggesting the occurrence of phototransformation.<h4>Supplementary information</h4>The online version contains supplementary material available at 10.1007/s11270-022-05583-z.","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022","modification":"2026-03-18T13:41:19.552Z","creation":"2025-04-19T07:48:22.313Z"},"accession":"S-EPMC8975727","cross_references":{"pubmed":["35400768"],"doi":["10.1007/s11270-022-05583-z"]}}