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The photocatalytic degradation of cationic surfactant from wastewater in the presence of nano-zinc oxide using Taguchi method

Russian Journal of Physical Chemistry A volume 87, pages 2279–2284 (2013)Cite this article

Abstract

The photocatalytic degradation of cetyl pyridinium chloride (CPC) has been investigated in aqueous phase using ultraviolet (UV) and ZnO nanopowder. Kinetic analysis showed that the extent of surfactant photocatalytic degradation can be fitted with pseudo-first-order model and photochemical elimination of CPC could be studied by Taguchi method. Our experimental design was based on testing five factors, i.e., dosage of K2S2O8, concentration of CPC, amount of ZnO, irradiation time and initial pH. Each factor was tested at four levels. The optimum parameters were found to be pH 5.0; amount of ZnO 11 mg; K2S2O8 3 mM; CPC 10 mg/L; irradiation time, 8 h.

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Authors and Affiliations

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

    M. Giahi, M. A. Bagherinia & H. Taghavi

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

    A. Moradidoost

Authors
  1. M. Giahi
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  2. A. Moradidoost
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  3. M. A. Bagherinia
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  4. H. Taghavi
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Correspondence to M. Giahi.

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Giahi, M., Moradidoost, A., Bagherinia, M.A. et al. The photocatalytic degradation of cationic surfactant from wastewater in the presence of nano-zinc oxide using Taguchi method. Russ. J. Phys. Chem. 87, 2279–2284 (2013). https://doi.org/10.1134/S0036024413130104

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  • DOI: https://doi.org/10.1134/S0036024413130104

Keywords

  • photocatalytic degradation
  • cetyl pyridinium chloride (CPC)
  • nano-ZnO
  • taguchi method