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Journal of Sol-Gel Science and Technology
Published in: Journal of Sol-Gel Science and Technology 1/2007

01-10-2007 | Original Paper

Sol–gel synthesis, characterization and photocatalytic activity of mesoporous TiO2/γ-Al2O3 granules

Authors: Junseo Choi, Ji-Young Ban, Suk-Jin Choung, Jinsoo Kim, Haznan Abimanyu, Kye Sang Yoo

Published in: Journal of Sol-Gel Science and Technology | Issue 1/2007

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Abstract

Mesoporous TiO2/γ-Al2O3 composite granules were prepared by combining sol–gel/oil-drop method, using various titania solution. The product granules can be used as a photocatalyst or adsorbent in moving, fluidized bed reactors. The phase composition and pore structure of the granules can be controlled by calcination temperature and using different titania solution. In the photocatalysis of NH3 decomposition, TiO2/γ-Al2O3 granules using Degussa P25 powder treated thermally at 450 °C showed the highest catalytic ability. However, TiO2/γ-Al2O3 granules using titania made by hydrothermal method had comparable performance in NH3 decomposition.
previous article Effect of CuO–Bi2O3 on low temperature sintered MnZn-ferrite by sol–gel auto-combustion method
next article Polydicyclopentadiene based aerogel: a new insulation material

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Metadata
Title
Sol–gel synthesis, characterization and photocatalytic activity of mesoporous TiO2/γ-Al2O3 granules
Authors
Junseo Choi
Ji-Young Ban
Suk-Jin Choung
Jinsoo Kim
Haznan Abimanyu
Kye Sang Yoo
Publication date
01-10-2007
Publisher
Springer US
Published in
Journal of Sol-Gel Science and Technology / Issue 1/2007
Print ISSN: 0928-0707
Electronic ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-007-1592-0

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