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Photocatalytic degradation of betamethasone sodium phosphate in aqueous solution using ZnO nanopowder

Russian Journal of Physical Chemistry A volume 86, pages 2003–2007 (2012)Cite this article

Abstract

The photocatalytic degradation of betamethasone sodium phosphate has been investigated in aqueous phase by using ultraviolet (UV) light and ZnO nanopowder. The effect of catalyst loading, irradiation time, pH, addition of oxidizers, effect of alcohol and anion presence on the reaction rate was ascertained and optimum conditions for maximum degradation were determined. The photocatalytic degradation of betamethasone sodium phosphate was strongly influenced by these parameters. The optimum amount of the photocatalyst used is 0.44 g/L. The efficiency of betamethasone sodium phosphate increases with the photo-degradation increase of the irradiation time.

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Authors and Affiliations

  1. Department of Chemistry, Lahijan Branch, Islamic Azad University, Lahijan, Iran

    M. Giahi

  2. Department of Chemistry, Shahreray Branch, Islamic Azad University, Shahreray, Iran

    H. Taghavi & S. Habibi

Authors
  1. M. Giahi
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  2. H. Taghavi
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  3. S. Habibi
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Correspondence to M. Giahi.

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Giahi, M., Taghavi, H. & Habibi, S. Photocatalytic degradation of betamethasone sodium phosphate in aqueous solution using ZnO nanopowder. Russ. J. Phys. Chem. 86, 2003–2007 (2012). https://doi.org/10.1134/S0036024412130080

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  • DOI: https://doi.org/10.1134/S0036024412130080

Keywords

  • photocatalytic degradation
  • betamethasone sodium phosphate
  • ZnO