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Citation: BAO Chang-Li, ZHOU Bo, LIU Shu-Xia, JIANG Yin-Shan, FANG Song-Sheng. Photocatalytic Degradation of Dichlorvos over Titanium Dioxide Loaded Zeolite[J]. Chinese Journal of Applied Chemistry, ;2003, 20(12): 1222-1224. shu

Photocatalytic Degradation of Dichlorvos over Titanium Dioxide Loaded Zeolite

1.
a College of Chemistry, Jilin University, Changchun 130026;
2.
b College of Material Science and Engineering, Jilin University, Changchun 130026

Corresponding author: BAO Chang-Li,
Received Date: 14 March 2003
Available Online: 28 July 2003
Fund Project: 国家自然科学基金(40172020)资助项目 (40172020)

The photocatalyst consisted of titanium dioxide loaded on natural zeolite was prepared by impregnation of tetrabutyl titanate acidic solution followed by calcination. The photocatalytic activity of the catalyst towards dichlorvos has been examined as function of TiO₂ amount, calcination temperature of precursor, pH of sample solution and added amount of H₂O₂. The results indicated that the catalyst prepared by calcination at 200℃ showed the highest activity and 89% of Dichlorvos in concentration of 1.0×10^-4 mol/L could be degraded over the catalyst under sunlight illumination for 6 hours.
- titanium dioxide,
- zeolite,
- photocatalytic degradation,
- dimethyl dichlorovinyl phosphate
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