Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/2447
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Title: Enhanced photocatalytic activity of Ce??-TiO?for 2-mercaptobenzothiazole degradation in aqueous suspension for odour control
Authors: Li, FB
Li, XZ
Hou, MF
Cheah, KW
Choy, WCH
Issue Date: 10-May-2005
Source: Applied catalysis A: General, 10 May 2005, v. 285, no. 1-2, p. 181-189
Abstract: A series of cerium ion-doped titanium dioxide (Ce??-TiO?) catalysts with special 4 ? electron configuration was prepared by a sol¡Vgel process and characterized by Brunauer-Emmett-Teller method, X-ray diffraction, X-ray photoelectron spectroscopy (XPS), UV¡Vvis diffuse reflectance spectroscopy (DRS), and also photoluminescence (PL) emission spectroscopy. The photocatalytic activity of Ce??-TiO?catalysts was evaluated in the 2-mercaptobenzothiazole (MBT) degradation in aqueous suspension under UV or visible light illumination. The experimental results demonstrated that the overall photocatalytic activity of Ce??-TiO?catalysts in MBT degradation was signigicantly enhanced due to higher adsorption capacity and better separation of electron-hole pairs. The experimental results verified that both the adsorption equilibrium constant (K?) and the saturated adsorption amount (?[sub max
Keywords: Adsorption
Cerium ion
Titanium dioxide
2-Mercaptobenzothiazole
Visible light
Publisher: Elsevier
Journal: Applied catalysis A: General 
EISSN: 0926-860X
DOI: 10.1016/j.apcata.2005.02.025
Rights: Applied Catalysis A: General ? 2005 Elsevier B. V. The journal web site is located at http://www.sciencedirect.com.
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