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Title: N–TiO2-coated polyester filters for visible light—Photocatalytic removal of gaseous toluene under static and dynamic flow conditions
Authors: Zhang, Li
Tan, Pei Yun
Lim, Chiew Keat
Guo, Xiao
Tse, Man Siu
Tan, Ooi Kiang
Chang, Victor W.C.
Keywords: N-TiO2
Issue Date: 2016
Source: Zhang, L., Tan, P. Y., Lim, C. K., Guo, X., Tse, M. S., Tan, O. K., et al. (2016). N–TiO2-coated polyester filters for visible light—Photocatalytic removal of gaseous toluene under static and dynamic flow conditions. Journal of Environmental Chemical Engineering, 4(1), 357-364.
Series/Report no.: Journal of Environmental Chemical Engineering
Abstract: The present work aims to utilize N-TiO2 coating for decontamination of gaseous pollutants under normal room light irradiation. N-TiO2 nanoparticles were prepared by incomplete thermal oxidation of TiN at different temperatures to achieve self-doping of TiO2 to improve simultaneously the structural, morphological, and electronic properties of conventional TiO2 photocatalyst. The thermal evolution of TiN to oxygen-rich titanium oxynitride (N-TiO2) and subsequently TiO2 at different temperatures is characterized systematically by different tools including XRD, TEM, XPS, UV–vis diffuse reflectance and SPV responses. The synthesized N-TiO2 was coated onto polyester filters using a facile spray coating method. The excellent photocatalytic performance was successfully demonstrated on mineralization of gaseous toluene with fluorescent light irradiation under both static and dynamic flow conditions in a comprehensive custom-built photocatalytic test system. Therefore, it shows promising potential to be utilized in practical air purification applications.
ISSN: 2213-3437
DOI: 10.1016/j.jece.2015.11.027
Rights: © 2015 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Environmental Chemical Engineering, Elsevier Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
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