Heterogeneous Fenton-like oxidation of p-hydroxybenzoic acid using Fe/CeO2-TiO2 catalyst

This paper is built on the Fenton-like oxidation of p-hydroxybenzoic acid (p-HBZ) in the presence of H2O2 and 3%Fe supported on CeO2-TiO2 aerogels under mild conditions. These catalysts were deeply characterized by X-ray diffraction (XRD), hydrogen temperature programmed reduction (H2-TPR), transmis...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 79(2019), 7 vom: 23. Apr., Seite 1276-1286
1. Verfasser: Hammedi, Tijani (VerfasserIn)
Weitere Verfasser: Triki, Mohamed, Alvarez, Mayra G, Llorca, Jordi, Ghorbel, Abdelhamid, Ksibi, Zouhaier, Medina, Francesc
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Hydroxybenzoates Hydrogen Peroxide BBX060AN9V Iron E1UOL152H7 phenolic acid I3P9R8317T
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520 |a This paper is built on the Fenton-like oxidation of p-hydroxybenzoic acid (p-HBZ) in the presence of H2O2 and 3%Fe supported on CeO2-TiO2 aerogels under mild conditions. These catalysts were deeply characterized by X-ray diffraction (XRD), hydrogen temperature programmed reduction (H2-TPR), transmission electron microscopy (TEM), scanning transmission electron microscopy (STEM) and X-ray photoelectron spectroscopy (XPS). The effect of thermal treatment, pH (2-3, 5, 7), H2O2/p-HBZ molar ratio (5, 15, 20, 25) and reaction temperature (25 °C, 40 °C and 60 °C) on the catalytic properties of supported Fe catalysts are studied. Our results highlight the role of CeO2 and the calcination of the catalyst to obtain the highest catalytic properties after 10 min: 73% of p-HBZ conversion and 52% of total organic carbon (TOC) abatement 
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700 1 |a Triki, Mohamed  |e verfasserin  |4 aut 
700 1 |a Alvarez, Mayra G  |e verfasserin  |4 aut 
700 1 |a Llorca, Jordi  |e verfasserin  |4 aut 
700 1 |a Ghorbel, Abdelhamid  |e verfasserin  |4 aut 
700 1 |a Ksibi, Zouhaier  |e verfasserin  |4 aut 
700 1 |a Medina, Francesc  |e verfasserin  |4 aut 
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