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Preparation and Photocatalytic Performance of SO42-/CeO2-TiO2/HTLC
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Preparation and Photocatalytic Performance of SO42-/CeO2-TiO2/HTLC

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Abstract:

Catalyst precursor was prepared with the Fe-Al hydrotalcite as the support, Ce-doped TiO2 as the active component. Then SO42-/CeO2-TiO2/HTLC photocatalyst was obtained by SO42- -modification with soak method. Catalysts were characterized by means of XRD, SEM-EDS and UV-Vis DRS. With methyl orange as model pollutant, the photocatalytic performance of the catalysts was determined. Experimental results showed that the absorption intensity for visible light of the CeO2-TiO2 particle was stronger than that of TiO2 particle; moreover there was a synergistic effect between SO42- and CeO2-TiO2/HTLC, thus the absorption intensity for visible light of SO42-/CeO2-TiO2/HTLC photocatalyst was enhanced further. The decolorization rate for methyl orange of modified SO42-/15%(CeO2-TiO2)/HTLC photocatalyst reached 93% after irradiation under simulated sunlight for 2 hours.

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Periodical:

Advanced Materials Research (Volumes 1073-1076)

Pages:

3-7

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1073-1076.3

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Online since:

December 2014

Authors:

Ru Jun Xue*, Chun Yang Chen, Shu Fen Cheng, Min Zhou

Keywords:

SO42-/CeO2-TiO2/HTLC, Performance, Photocatalyst, Preparation

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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