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Open AccessArticle

Fe Oxides Loaded on Carbon Cloth by Hydrothermal Process as an Effective and Reusable Heterogenous Fenton Catalyst

Department of Environmental Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
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Catalysts 2018, 8(5), 207; https://doi.org/10.3390/catal8050207
Received: 27 April 2018 / Revised: 9 May 2018 / Accepted: 10 May 2018 / Published: 15 May 2018
(This article belongs to the Special Issue Catalytic Oxidation in Environmental Protection)
Iron based heterogeneous Fenton catalysts are attracting much attention for its economic and environmental friendly characteristics. In this study, iron oxides loaded carbon cloth (assigned as [email protected]) was prepared using hydrothermal hydrolysis of Fe(NO3)3. The specific surface area of [email protected] determined by N2 adsorption–desorption Brunauer–Emmett–Teller method was up to 1325.5 m2/g, which increased by 81.8% compared with that of native carbon cloth mainly due to the loading of iron oxide. XPS (X-ray photoelectron spectroscopy) spectra confirmed that the iron oxide on the carbon surface included mainly FeOOH. Its heterogeneous Fenton-like activity was determined using Acid Red G as a model substrate for degradation. [email protected] maintained high and relatively stable activity during 11 tests, and it showed high COD (Chemical Oxygen Demand) removal efficiency and high apparent H2O2 utilization efficiency. The homogeneous Fenton reaction using the amount of leached Fe(III) suggested that the surficial reaction on [email protected] was dominant. The stability and the mechanism for gradual decrease of activity during the first 4 tests were also discussed. View Full-Text
Keywords: heterogeneous Fenton reaction; iron oxide; FeOOH; carbon cloth; hydrothermal hydrolysis heterogeneous Fenton reaction; iron oxide; FeOOH; carbon cloth; hydrothermal hydrolysis
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Yang, H.; Shi, B.; Wang, S. Fe Oxides Loaded on Carbon Cloth by Hydrothermal Process as an Effective and Reusable Heterogenous Fenton Catalyst. Catalysts 2018, 8, 207.

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