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Title:Comparative analysis of UV-C/H2O2 and UV-A/TiO2 processes for the degradation of diclofenac in water
Authors:ID Juretic Perisic, Daria, University of Zagreb (Author)
ID Kovacic, Marin, University of Zagreb (Author)
ID Kušić, Hrvoje, University of Zagreb (Author)
ID Lavrenčič Štangar, Urška, University of Nova Gorica (Author)
ID Marin, Vedrana, EnCor Biotechnology (Author)
ID Lončarić Božić, Ana, University of Zagreb (Author)
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Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:The study investigates the treatment of diclofenac (DCF), a pharmaceutical included in the first watch list of the European Water Framework Directive as a new potential priority substance in water. Since the conventional wastewater treatment technologies do not efficiently remove DCF, advanced treatment technologies capable of its complete removal or destruction of its biological activity, need to be evaluated and eventually employed. For that purpose, typical representatives of photooxidative and photocatalytic advanced oxidation processes were applied. The effectiveness of UV-C/H2O2 and UV-A/TiO2 were compared regarding DCF conversion and mineralization kinetics, water quality parameters for assessing biodegradability and toxicity. In spite of similar biodegradability profiles, the obtained results indicate different DCF degradation pathways, which are reflected in different profiles of toxicity towards Vibrio fischeri. The observed DCF conversion and mineralization kinetics revealed the benefits of UV-C/H2O2 process. However, lower toxicity favored the application of photocatalytic over photooxidative treatment for DCF removal.
Keywords:Diclofenac, Photooxidation, Photocatalysis, Biodegradability, Toxicity
Publication version:Version of Record
Year of publishing:2016
Number of pages:451-462
PID:20.500.12556/RUNG-2518 New window
COBISS.SI-ID:4443131 New window
DOI:10.1007/s11144-016-1027-4 New window
Publication date in RUNG:21.07.2016
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Record is a part of a journal

Title:Reaction Kinetics, Mechanisms and Catalysis
Shortened title:Reac Kinet Mech Cat
Year of publishing:2016