Journal article
Adsorption of 2-Chlorophenol on the surface of silica- and Alumina-Supported iron oxide: An FTIR and XPS study
ChemCatChem, Vol.9(3), pp.481-491
2017
Abstract
The adsorption of 2-chlorophenol (2-CPh) on the surface of silica, alumina and silica- and alumina-supported iron oxides was examined at 30 and 250 °C. The formation of a chlorophenolate carbanion/chlorophenoxy radical intermediate on the surface of silica and alumina surfaces is identified by using in situ FTIR spectroscopy. The IR spectra of 2-CPh adsorbed on supported iron oxide at 250 °C highlight significant differences in the adsorption complex between 2-CPh and the two supported iron oxides (on silica and alumina). Under conditions of the low coverage of 2-CPh on the surface of these catalysts, FTIR spectroscopy was used to indicate that the adsorption of 2-CPh on the surface of silica-supported iron oxide commences with the formation of a chlorophenolate species, whereas 2-CPh creates a surface formate species on alumina-supported iron oxide. Moreover, the strong bonds of 2-CPh and a high concentration of the carbonate species are evident on the alumina surfaces by using both FTIR and X-ray photoelectron spectroscopy.
Details
- Title
- Adsorption of 2-Chlorophenol on the surface of silica- and Alumina-Supported iron oxide: An FTIR and XPS study
- Authors/Creators
- S. Mosallanejad (Author/Creator) - University of Newcastle AustraliaB.Z. Dlugogorski (Author/Creator) - Murdoch UniversityE.M. Kennedy (Author/Creator) - University of Newcastle AustraliaM. Stockenhuber (Author/Creator) - University of Newcastle Australia
- Publication Details
- ChemCatChem, Vol.9(3), pp.481-491
- Publisher
- Wiley
- Identifiers
- 991005545206607891
- Copyright
- © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
- Murdoch Affiliation
- School of Engineering and Information Technology
- Language
- English
- Resource Type
- Journal article
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