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Vol. 25 No. 9 (2013): Vol 25 Issue 9

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Photocatalytic Degradation of Nonionic Surfactant Using Zinc Oxide Nanoparticles

https://doi.org/10.14233/ajchem.2013.14375
M. Giahi
Department of Chemistry, Faculty of Sciences, Lahijan Branch, Islamic Azad University, Lahijan, Iran
F. Ghanbari
Department of Chemistry, Faculty of Sciences, Lahijan Branch, Islamic Azad University, Lahijan, Iran
K. Issazadeh
Department of Microbiology, Faculty of Sciences, Lahijan Branch, Islamic Azad University, Lahijan, Iran

Corresponding Author(s) : M. Giahi

giahi_m@yahoo.com

Asian Journal of Chemistry, Vol. 25 No. 9 (2013): Vol 25 Issue 9

Abstract

In this paper, the photocatalytic degradation of nonylphenol polyethoxylate (10 ethylene oxide units, NP10EO), a nonionic surfactant, was investigated in aqueous solution using ZnO nanoparticles. The degradation was studied under different conditions such as the amount of photocatalyst, illumination time, reaction temperature and initial concentration, presence of electron acceptor. The results showed that photocatalytic degradation of NP10EO was strongly influenced by these parameters. The best conditions for the photocatalytic degradation of NP10EO were obtained. The optimum amount of the photocatalyst used was found to be 0.2 g/L. The photodegradation efficiency of NP10EO increased with the increase of the illumination time. The degradation efficiency is enhanced by increasing reaction temperature and the photodegradation efficiency decreased with an increase in the initial concentration of NP10EO. Analysis of kinetic showed that the amount of surfactant photocatalytic degradation could be fitted into pseudo-second-order model.

Keywords

Zinc oxide nanoparticles Photocatalytic Surfactant Degradation
Giahi, M., Ghanbari, F., & Issazadeh, K. (2013). Photocatalytic Degradation of Nonionic Surfactant Using Zinc Oxide Nanoparticles. Asian Journal of Chemistry, 25(9), 5047–5050. https://doi.org/10.14233/ajchem.2013.14375
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