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Preparation and characterization of in-site regenerated TiO2-ACFs photocatalyst

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Abstract

In-site regenerated titanium dioxide-activated carbon fibers (TiO2-ACFs) photocatalyst was prepared by the sol-gel method. Detailed surface and structural characterization of the TiO2-ACFs photocatalyst was carried out. The photoactivity of TiO2-ACFs under ultraviolet irradiation was compared with original ACFs and pure TiO2 by the degradation of methylene blue aqueous solution. The degradation efficiency by the TiO2 (5wt%)-ACFs sample is much higher than that by TiO2 and ACFs. The results show that the photocatalysis by TiO2-ACFs is a six-step process. The adsorption-transfer-photocatalysis rate of TiO2-ACFs is higher than the adsorption-photocatalysis rate of TiO2, so the photocatalysis rate of the TiO2-ACFs system is higher than that of TiO2 photocatalyst.

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Authors and Affiliations

  1. Engineering Design & Research Institute of the Second Artillery Corps, Beijing, 100011, China

    Rong Yang

  2. School of Materials Science and Engineering, Beihang University, Beijing, 100083, China

    Jian-hua Liu & Song-mei Li

Authors
  1. Rong Yang
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  2. Jian-hua Liu
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  3. Song-mei Li
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Correspondence to Rong Yang.

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Yang, R., Liu, Jh. & Li, Sm. Preparation and characterization of in-site regenerated TiO2-ACFs photocatalyst. Int J Miner Metall Mater 18, 357–363 (2011). https://doi.org/10.1007/s12613-011-0447-4

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  • DOI: https://doi.org/10.1007/s12613-011-0447-4

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