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Vol. 27 No. 1 (2015): Vol 27 Issue 1

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Visible Light Absorption Ability and Photocatalytic Oxidation Activity of Co-Doped TiO2 on Active Carbon for Degradation of Toluene

https://doi.org/10.14233/ajchem.2015.16813
Chentao Hou
School of Geology and Environment, Xi'an University of Science and Technology, Xi'an, Shaanxi Province, P.R. China
Ying Wang
School of Geology and Environment, Xi'an University of Science and Technology, Xi'an, Shaanxi Province, P.R. China
Wenjie Nie
School of Geology and Environment, Xi'an University of Science and Technology, Xi'an, Shaanxi Province, P.R. China
Xia He
School of Geology and Environment, Xi'an University of Science and Technology, Xi'an, Shaanxi Province, P.R. China

Corresponding Author(s) : Chentao Hou

houct@xust.edu.cn

Asian Journal of Chemistry, Vol. 27 No. 1 (2015): Vol 27 Issue 1

Abstract

N, Zn, Fe-doped TiO2 was developed to enable photocatalytic reactions using the visible range of the solar spectrum. This work reports on the synthesis, characteristic and kinetic study of interstitial N, Zn, Fe-doped TiO2 on active carbon prepared by the sol-gel method using urea, zinc nitrate and iron nitrate as N, Zn, Fe-dopants, respectively. X-ray diffraction, fourier transform infrared spectroscopy and UV-visible spectroscopy were used to analyze the titania. Different factors affecting catalyst activity were also discussed. The results show that the photocatalyst has an average diameter of 16 nm and under optimum conditions where the mol ratio of N,Fe,Zn and TiO2 were 0.4:0.1: 0.005:1 and calcination time was 2 h at 773 K. The degradation rate of toluene on photocatalyst doped with N, Zn, Fe was up to 98 % under irradiation of visible light. And degradation rate accords with first order and its L-H value is also obtained.

Keywords

TiO2 N Zn Fe co-doped Sol-gel dip-coating technique Photocatalysis Gas phase toluene
Hou, C., Wang, Y., Nie, W., & He, X. (2014). Visible Light Absorption Ability and Photocatalytic Oxidation Activity of Co-Doped TiO2 on Active Carbon for Degradation of Toluene. Asian Journal of Chemistry, 27(1), 134–138. https://doi.org/10.14233/ajchem.2015.16813
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