Reference : Feasibility of Advanced Oxidation Processes as an upgrade for Microcontaminants remov...
Scientific congresses, symposiums and conference proceedings : Unpublished conference
Engineering, computing & technology : Chemical engineering
Sustainable Development
http://hdl.handle.net/10993/50346
Feasibility of Advanced Oxidation Processes as an upgrade for Microcontaminants removal at municipal Wastewater Treatment Plants
English
Salmeron Garcia, Irene mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
Nunez Tafalla, Paula mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
Venditti, Silvia mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > FSTM Faculty administration >]
Hansen, Joachim mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
Jun-2022
4
Yes
12th Micropol & Ecohazard Conference 2022
06-06-2022 to 10-06-2022
[en] Benzotriazole, carbamazepine, clarithromycin and diclofenac have been identified as microcontaminants of concern in Luxembourgish wastewaters, thus the implementation of photo-Fenton processes at natural pH has been proposed for their removal. In the present work, the effectiveness of a pilot scale photo-Fenton system (500W Medium Pressure) has been evaluated according to the reagent dosage and toxicity of the treated effluent. With this treatment, 80% degradation is achieved in 15 minutes even with 5 and 3 mg/L of iron (40 mg/L H2O2), but 5 mg/L can have a negative effect on the growth of Sorghum saccharatum in Phytotoxicity tests. In comparison UV-C/H2O2 (40W Low Pressure; 40 mg/L H2O2) process needs longer treatment time and generates degradation by-products causing a growth inhibition of Sorghum saccharatum. The combination of both lamps can lead to a better performance of the reagents allowing to reach the 80% target in less time and to reduce the dosage.
http://hdl.handle.net/10993/50346

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