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Title:Solar-driven photocatalytic treatment of diclofenac using immobilized TiO2-based zeolite composites
Authors:ID Kovacic, Marin, University of Zagreb (Author)
ID Salaeh, Subhan, University of Zagreb (Author)
ID Kušić, Hrvoje, University of Zagreb (Author)
ID Suligoj, Andraz, University of Nova Gorica, National Institute of Chemistry (Author)
ID Kete, Marko, University of Nova Gorica (Author)
ID Fanetti, Mattia, University of Nova Gorica (Author)
ID Lavrenčič Štangar, Urška, University of Nova Gorica (Author)
ID Dionysiou, Dionysios D., University of Cincinatti (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 is aimed at evaluating the potential of immobilized TiO2-based zeolite composite for solar-driven photocatalytic water treatment. In that purpose, TiO2-iron-exchanged zeolite (FeZ) composite was prepared using commercial Aeroxide TiO2 P25 and iron-exchanged zeolite of ZSM5 type, FeZ. The activity of TiO2-FeZ, immobilized on glass support, was evaluated under solar irradiation for removal of diclofenac (DCF) in water. TiO2-FeZ immobilized in a form of thin film was characterized for its morphology, structure, and composition using scanning electron microscopy/energydispersive x-ray spectroscopy (SEM/EDX). Diffuse reflectance spectroscopy (DRS) was used to determine potential changes in band gaps of prepared TiO2-FeZ in comparison to pure TiO2. The influence of pH, concentration of hydrogen peroxide, FeZ wt% within the composite, and photocatalyst dosage on DCF removal and conversion efficiency by solar/ TiO2-FeZ/H2O2 process was investigated. TiO2-FeZ demonstrated higher photocatalytic activity than pure TiO2 under solar irradiation in acidic conditions and presence of H2O2.
Keywords:Photocatalysis, Thin films, TiO2-FeZ, Solar irradiation, Diclofenac, Water Treatment
Publication version:Version of Record
Year of publishing:2016
Number of pages:13
PID:20.500.12556/RUNG-2524 New window
COBISS.SI-ID:4445947 New window
DOI:10.1007/s11356-016-6985-6 New window
Publication date in RUNG:22.07.2016
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Record is a part of a journal

Title:Environmental Science and Pollution Research
Shortened title:Environ Sci Pollut Res
Publisher:Springer Verlag (Germany)
Year of publishing:2016