Photocatalytic Degradation of Nonionic Surfactant Using Zinc Oxide Nanoparticles

被引：1
|
作者：
Giahi, M. [1 ]
Ghanbari, F. [1 ]
Issazadeh, K. [2 ]
机构：
[1] Islamic Azad Univ, Fac Sci, Dept Chem, Lahijan Branch, Lahijan, Iran
[2] Islamic Azad Univ, Fac Sci, Dept Microbiol, Lahijan Branch, Lahijan, Iran
来源：
ASIAN JOURNAL OF CHEMISTRY | 2013年 / 25卷 / 09期
关键词：
Zinc oxide nanoparticles; Photocatalytic; Surfactant; Degradation; ZNO; TIO2; OXIDATION; REDUCTION; DYE;
D O I：
10.14233/ajchem.2013.14375
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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.
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页码：5047 / 5050
页数：4
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