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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/19777

Title: Removal of emerging contaminants by Fenton and UV-Driven Advanced Oxidation Processes
Authors: Lucas, Marco S.
Peres, Jose A.
Keywords: Fenton reagent
UV irradiation
Issue Date: 2015
Publisher: © Springer International Publishing Switzerland
Citation: LUCAS, M.S. and PERES, J.A., 2015. Removal of Emerging Contaminants by Fenton and UV-Driven Advanced Oxidation Processes. Water, Air, & Soil Pollution, 226:273
Abstract: The removal efficiencies of four different parabens (methylparaben (MP), ethylparaben (EP), propylparaben (PP), and butylparaben (BP)) using Fenton reagent, UV irradiation, UV/H2O2, and UV/ H2O2/Fe2+ were evaluated to assess the level of paraben degradation achieved using different advanced oxidation processes (AOPs). UV irradiation by itself provided paraben conversions between 27 and 38 % after a reaction time of 180 min. The UV/ H2O2 system increased the paraben conversion to values between 62 and 92 %, and the Fenton process was revealed as inefficient in paraben degradation within the experimental conditions used. Photo- Fenton presented similar removal rates to the UV/ H2O2 process. Among the four parabens studied, butylparaben was the most easily removed, and it was possible to attain degradations higher than 90 %. In the UV/H2O2 and photo-Fenton processes, the overall kinetic constant could be split into two main components: direct oxidation by UV radiation (photolysis) and oxidation by free radicals (mainly HO•) generated from the photodecomposition of H2O2. This work reveals that UV-driven oxidation processes can be widely used to remove parabens from contaminated aqueous solutions
Description: This paper is closed access.
Version: Closed access
DOI: 10.1007/s11270-015-2534-z
URI: https://dspace.lboro.ac.uk/2134/19777
Publisher Link: http://dx.doi.org/10.1007/s11270-015-2534-z
ISSN: 0049-6979
Appears in Collections:Closed Access (Chemical Engineering)

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