Feasibility of Carbon Nanofiber Catalyst Support for the Heterogeneous Fenton Process
Publication: Journal of Environmental Engineering
Volume 142, Issue 4
Abstract
The heterogeneous Fenton oxidation reaction was investigated at two different catalytic supports including the blank alumina plates and alumina plates with thin carbon nanofiber (CNF) layer. Iron (III) oxide was used as a catalyst and propionic acid (PA) was studied as a model organic compound. A carbon nanofiber layer and a thin catalytic layer of iron (III) oxide were prepared using the chemical vapor deposition method with acetylene and ferrocene precursors. The reaction rate of heterogeneous Fenton oxidation was compared with the rate of homogeneous reaction. Obtained results indicate that the reaction rate is significantly higher at homogeneous Fenton oxidation at high temperature (70°C), however, the reaction rate for homogeneous and heterogeneous oxidation is comparable at room temperature (25°C) if carbon nanofiber support is used for the iron (III) oxide catalyst.
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Acknowledgments
The authors greatly acknowledge Prof. Dr. Marjan Marinšek for work on the SEM microscope and development of Figs. 1 and 2; master’s student Olivier Deraedt for experimental work; and Ph.D. Grant 1000-10-310094, which was provided by the Ministry of Higher Education, Science and Technology of the Republic of Slovenia.
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Published In
Journal of Environmental Engineering
Volume 142 • Issue 4 • April 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Feb 27, 2015
Accepted: Sep 11, 2015
Published online: Jan 8, 2016
Published in print: Apr 1, 2016
Discussion open until: Jun 8, 2016
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