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Photocatalytic degradation of metronidazole in aqueous solution by niobate K6Nb10.8O30

  • Published:
Wuhan University Journal of Natural Sciences

Abstract

The photocatalytic degradation of antibiotic metronidazole in aqueous solution by niobate K6Nb10.8O30 photocatalyst that was prepared using a soft-chemical method was studied by Fourier transform infrared spectroscopy and UV-Vis absorption spectrum. Metronidazole is very stable and is difficult to degrade under UV irradiation. K6Nb10.8O30 photocatalyst cannot degrade metronidazole without UV irradiation and shows very high photocatalytic activity for the degradation of metronidazole under UV irradiation. The photocatalytic degradation rate of metronidazole increased with increasing the dosage of K6Nb10.8O30 photocatalyst. The photocatalytic degradation reaction of metronidazole by niobate K6Nb10.8O30 follows the first-order kinetic equation.

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Authors and Affiliations

  1. Hospital, Wuhan University of Technology, Wuhan, 430070, Hubei, China

    Huiyan Wang

  2. School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, Hubei, China

    Gaoke Zhang & Yuanyuan Gao

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  1. Huiyan Wang
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  2. Gaoke Zhang
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  3. Yuanyuan Gao
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Correspondence to Huiyan Wang.

Additional information

Foundation item: Supported by Program for New Century Excellent Talents in University (NCET05-0662)

Biography: WANG Huiyan, female, Attending doctor, research direction: drug release and drug degradation.

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Wang, H., Zhang, G. & Gao, Y. Photocatalytic degradation of metronidazole in aqueous solution by niobate K6Nb10.8O30 . Wuhan Univ. J. Nat. Sci. 15, 345–349 (2010). https://doi.org/10.1007/s11859-010-0664-0

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  • DOI: https://doi.org/10.1007/s11859-010-0664-0

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