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A Comparative Study on Preparation of TiO2 Pellets as Photocatalysts Based on Different Precursors

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Abstract:

The porous TiO2 pellets were prepared based on pigment grade titaina, P25 titania powder and titanium(IV) butoxide. The characterization was done with X-Ray diffraction, scanning electron microscopy and BET measurements. The result shows that TiO2 pellets by using titanium(IV) butoxide with some addictive have the best surface porosity, with specific surface area of 196.9m2/g. For pigment grade titania and P25 titania powder, it is still effective to enhance the surface area after reassembling. The surface area increased from 11.6 to 29.2 m2/g for pigment grade titania and from 50 to 84.4 m2/g for P25 titania powder. Furthermore, it has been investigated on how to optimize and get the highest surface area by controlling the sintering temperature, reaction temperature, pH of solution, and the amount of alcohol and addictive of surfactant during preparation. The experimental photocatalytic degradation of acetone and toluene was performed using titania pellets made from P25 titania powder.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

4165-4170

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.4165

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Online since:

January 2005

Authors:

Yong Gang Luo, Linda Zou, Eric Hu

Keywords:

Pellets, Photocatalytic, Sol-Gel (SG), Surface Area, TiO2

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] B. Tryba, T. Tsumura, M. Janus, A. W. Morawski and M. Inagaki, Carbon-coated anatase: adsorption and decomposition of phenol in water, Applied Catalysis B: Environmental, Volume 50, Issue 3, 8 July 2004, Pages 177-183.

DOI: 10.1016/j.apcatb.2004.01.003

Google Scholar

[2] K. Venkata Subba Rao, A. Rachel, M. Subrahmanyam and P. Boule, Immobilization of TiO2 on pumice stone for the photocatalytic degradation of dyes and dye industry pollutants, Applied Catalysis B: Environmental, Volume 46, Issue 1, 31 October 2003, Pages 77-85.

DOI: 10.1016/s0926-3373(03)00199-1

Google Scholar

[3] Chul Han Kwon, Hyunmin Shin, Je Hun Kim, Woo Suk Choi and Ki Hyun Yoon, Degradation of methylene blue via photocatalysis of titanium dioxide, Materials Chemistry and Physics, Volume 86, Issue 1, 15 July 2004, Pages 78-82.

DOI: 10.1016/j.matchemphys.2004.02.024

Google Scholar

[4] Tak Hyoung Lim and Sang Done Kim, Trichloroethylene degradation by photocatalysis in annular flow and annulus fluidized bed photoreactors, Chemosphere, Volume 54, Issue 3, January 2004, Pages 305-312.

DOI: 10.1016/s0045-6535(03)00753-7

Google Scholar

[5] Young Cheol Lee, Young Pyo Hong, Ha Yong Lee, Hoon Kim, Young Jin Jung, Kyung Hyun Ko, Hyun Seok Jung and Kug Sun Hong, Photocatalysis and hydrophilicity of doped TiO2 thin films, Journal of Colloid and Interface Science, Volume 267, Issue 1, 1 November 2003, Pages 127-131.

DOI: 10.1016/s0021-9797(03)00603-9

Google Scholar

[6] Andrew Mills, George Hill, Sharan Bhopal, Ivan P. Parkin and Shane A. O'Neill, Thick titanium dioxide films for semiconductor photocatalysis, Journal of Photochemistry and Photobiology A: Chemistry, Volume 160, Issue 3, 21 August 2003, Pages 185-194.

DOI: 10.1016/s1010-6030(03)00206-5

Google Scholar

[7] D. Bruce Henschel, Cost analysis of activated carbon versus photocatalytic oxidation for removing organic compounds from indoor air, Air & waste management association, 1998, 48, P985-994.

DOI: 10.1080/10473289.1998.10463744

Google Scholar

[8] H.C. Yatmaz, C. Wallis, C. R. Howarth, The spinning disc reactor - studies on a novel TiO2 photocatalytic reactor, Chemosphere 42(2001) 397-403.

DOI: 10.1016/s0045-6535(00)00088-6

Google Scholar

[9] Alexander V. Vorontsov, Evgueni N. Savinov, Panagiotis G. Smirniotis, Vibrofluidized and fixed-bed photocatalytic reactors: case of gaseous acetne photooxidation, Chemical engineering science, 55(2000) 5089-5098.

DOI: 10.1016/s0009-2509(00)00115-9

Google Scholar

[10] Yuhong Zhang, Anke Weidenkaff and Amin Reller, Mesoporous structure and phase transition of nanocrystalline TiO2, Materials Letters, Volume 54, Issues 5-6, June 2002, Pages 375-381.

DOI: 10.1016/s0167-577x(01)00597-3

Google Scholar

[11] Zhongchun Wang, Ulf Helmersson and Per-Olov Käll, Optical properties of anatase TiO2 thin films prepared by aqueous sol-gel process at low temperature, Thin Solid Films, Volume 405, Issues 1-2, 22 February 2002, Pages 50-54.

DOI: 10.1016/s0040-6090(01)01767-9

Google Scholar

[12] Vartuli J. C., Kresge C.T., Leonowicz M.E. etc. Chemistry Materials, 1994, (6): 2070-(2082).

Google Scholar

[13] Bull L. M., Kumar D., Millsr S. P. etc. Study Surface. Science Catalysis, 1994, 84: 47-63.

Google Scholar

[14] Israelachvili J.N. Intermolecular and Surface Force. Academic Press, London, (1992).

Google Scholar

[15] Tie-Zhen Ren, Zhong-Yong Yuan and Bao-Lian Su, Surfactant-assisted preparation of hollow microspheres of mesoporous TiO2, Chemical Physics Letters, Volume 374, Issues 1-2, 4 June 2003, Pages 170-175.

DOI: 10.1016/s0009-2614(03)00722-x

Google Scholar

[16] Q. Dai, L. Y. Shi, Y. G. Luo, J. L. Blin, D. J. Li, C. W. Yuan and B. L. Su, Effects of templates on the structure, stability and photocatalytic activity of mesostructured TiO2, Journal of Photochemistry and Photobiology A: Chemistry, Volume 148, Issues 1-3, 31 May 2002, Pages 295-301.

DOI: 10.1016/s1010-6030(02)00056-4

Google Scholar

[17] Miah Muhammed Yusuf, Hiroaki Imai and Hiroshi Hirashima, Preparation of mesoporous TiO2 thin films by surfactant templating, Journal of Non-Crystalline Solids, Volume 285, Issues 1-3, June 2001, Pages 90-95.

DOI: 10.1016/s0022-3093(01)00437-9

Google Scholar

[18] Linda Zou, Eric Hu, Yonggang Luo, Steve Atkinson, Degradation of VOCs by photocatalytic oxidation reactor using TiO2 pellets, Research Journal of Chmistry And Environment, 2004, Vol. 8 (1), P16-19.

Google Scholar

[19] Xingyi Deng, Yinghong Yue, Zi Gao, Gas-phase photo-oxidation of organic compounds over nanosized TiO2 photocatalysts by various preparations, Applied Catalysis B: Environmental 39 (2002), P135-147.

DOI: 10.1016/s0926-3373(02)00080-2

Google Scholar