Feasibility of Advanced Oxidation Processes as an upgrade for Microcontaminants removal at municipal Wastewater Treatment Plants

Salmeron Garcia, Irene; Nunez Tafalla, Paula; Venditti, Silvia; Hansen, Joachim

Reference : Feasibility of Advanced Oxidation Processes as an upgrade for Microcontaminants remov...


	Document type :	Scientific congresses, symposiums and conference proceedings : Unpublished conference
	Discipline(s) :	Engineering, computing & technology : Chemical engineering
	Focus Areas :	Sustainable Development
	To cite this reference:	http://hdl.handle.net/10993/50346

Title :	Feasibility of Advanced Oxidation Processes as an upgrade for Microcontaminants removal at municipal Wastewater Treatment Plants
Language :	English
Author, co-author :	Salmeron Garcia, Irene [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
	Nunez Tafalla, Paula [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
	Venditti, Silvia [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > FSTM Faculty administration >]
	Hansen, Joachim [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
Publication date :	Jun-2022
Number of pages :	4
Peer reviewed :	Yes
Event name :	12th Micropol & Ecohazard Conference 2022
Event date :	06-06-2022 to 10-06-2022
Abstract :	[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.
Permalink :	http://hdl.handle.net/10993/50346

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