Title: Evaluation of peroxide based advanced oxidation processes (AOPs) for the degradation of ibuprofen in water
Authors: Scheers, Thomas
Appels, Lise
Dirkx, Bart
Jacoby, Laurent
Van Vaeck, Luc
Van der Bruggen, Bart
Luyten, Jan
Degrève, Jan
Van Impe, Jan
Dewil, Raf # ×
Issue Date: 2012
Publisher: Desalination Publications
Series Title: Desalination and Water Treatment vol:50 issue:1-3 pages:189-197
Abstract: The occurrence and fate of pharmaceutically active components (PhACs) in the aquatic environment has been recognised as one of the emerging issues in environmental chemistry. One key component, which is found in considerable concentrations in European natural waters and is only partially eliminated during biological wastewater treatment is ibuprofen (IBU). This paper studies the application of classic Fenton, photo-assisted Fenton, H2O2/UV and peroxymonosulphate (POMS) oxidation for degrading ibuprofen from wastewater. It is seen that the applied AOPs are capable of effectively degrading the ibuprofen, with the photo-assisted Fenton oxidation having the highest efficiency. The IBU in the mixture (at an initial concentration of 22 mg/L) is completely removed by a H2O2 concentration of 0.024 mg/L and 0.03 mg/L for the photo-assisted Fenton and classic Fenton oxidation, respectively. A POMS concentration of 37 mg/L is required to remove all IBU. No complete mineralization is obtained: a COD removal by 89% and 88% was obtained for a H2O2 concentration of 0.023 and 0.03 mg/L for photo-assisted Fenton and classic Fenton, respectively. A POMS concentration of 37 mg/L resulted in a 86% reduction of COD. Finally, the main degradation products produced during the Fenton oxidation are identified and are similar to those identified in other studies dedicated to oxidative IBU removal.
ISSN: 1944-3994
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Bio- & Chemical Systems Technology, Reactor Engineering and Safety Section
Department of Health and Technology - UC Leuven
Process Engineering for Sustainable Systems Section
Sustainable Chemical Process Technology TC, Technology Campus De Nayer Sint-Katelijne-Waver
Sustainable Chemical Process Technology TC
× corresponding author
# (joint) last author

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