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Citation: ZHAO Song-Lin, LIANG Hua-Ding, JU Xiao-Min. Catalytic Wet Peroxide Oxidation of Phenol over Iron Oxide on Carbon Nanotube[J]. Chinese Journal of Applied Chemistry, ;2010, 27(2): 197-200. doi: 10.3724/SP.J.1095.2010.90173 shu

Catalytic Wet Peroxide Oxidation of Phenol over Iron Oxide on Carbon Nanotube

School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 317000

Received Date: 7 March 2009
Revised Date: 2 June 2009

Multi-welled carbon nanotube supported iron oxide(Fe₂O₃/CNT) as catalyst for the oxidation of phenol in waste water by hydrogen peroxide was studied. The catalysts samples was synthesized by a chemical precipitation in the presence or absence of polyvinyl alcohol(PVA) and followed by a heat treatment. X-ray diffraction(XRD) result revealed two crystalline (α-type and γ-type) iron oxide were presented in the catalyst. The content of the active metal oxide component on the CNT was about 15.1%. The catalytic performance were carried out in a glass vessel in a batch operation mode at atmospheric pressure and temperature ranging from 50℃ to 90℃. At a temperature of 80℃,initial phenol concentration of 350 mg/L,hydrogen peroxide 1500 mg/L and catalysts 1.0 g/L,the phenol conversion and the COD removal rate of the water were 100% and 86.1%,respectively,after 240 min oxidation. The influence of using PVA in the process of catalysts preparation on their catalytic performance was discussed.
- multi-walled carbon nanotubes,
- iron oxide,
- catalytic wet oxidation,
- peroxide,
- phenol
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