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S. Yuan, Q. R. Sheng, J. L. Zhang, H. Yamashita and D. N. He, “Synthesis of Thermally Stable Mesoporous TiO2 and Investigation of Its Photocatalytic Activity,” Microporous and Mesoporous Materials, Vol. 110, No. 2-3, April 2008, pp. 501-507. doi:10.1016/j.micromeso.2007.06.039

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• TITLE: Synthesis of TiO2/Al-MCM-41 Composites with Coal-Measure Kaolin and Performance in Its Photocatalysis

  AUTHORS: Qisheng Wu, Shuiping Li

  KEYWORDS: Coal-Measure Kaolin, Al-MCM-41, TiO2, Photocatalytic Degradation, Methyl Orange

  JOURNAL NAME: Materials Sciences and Applications, Vol.2 No.1, January 25, 2011

  ABSTRACT: TiO2/Al-MCM-41 composites with various titania content were prepared by loading titania into the mesopores of Al-MCM-41 mesoporous molecular sieve from coal-measure kaolin as silicon and aluminum source via general sol-gel method and incipient wetness impregnation method. TiO2/Al-MCM-41 composites were characterized by XRD, FT-IR and SEM, and the photocatalytic degradation of methyl orange solution under visible light irradiation. The results showed that the titania crystalline phase was anatase, and the particles size of TiO2 increase with TiO2 content. The photocatalytic degradation rates of all samples prepared by sol-gel method and incipient wetness impregnation have been become stable by visible light irradiation for 150 min, and the highest degradation rate was 83.7% and 76% respectively.