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Citation: YAN Xiu-Ru, GUO Xiu-Ying, HUO Ming-Liang, YUAN Dong-Yan, CUI Xiao-Liang. Photocatalytic Degradation of DDVP over Nanosized SO₄^2-/Ce-TiO₂[J]. Chinese Journal of Applied Chemistry, ;2003, 20(7): 668-671. shu

Photocatalytic Degradation of DDVP over Nanosized SO₄^2-/Ce-TiO₂

1.
Department of Chemistry, Tianjin University, Tianjin 300072

Corresponding author: YAN Xiu-Ru,
Received Date: 28 October 2002
Available Online: 6 April 2003
Fund Project: 天津市自然科学基金资助项目(973606711) (973606711)

Nanosized SO₄^2-/Ce-TiO₂ particles have been prepared from Ti(OBu)₄、Ce(NO₃)₃ and H₂SO₄ by a sol-gel method followed by calcination at 500℃ and characterized by XRD、IR、BET、XPS and TG-DTA technologies. The SO₄^2-/Ce-TiO₂ obtained mainly comsisted of anatase TiO₂ with a solid superacid character. The catalytic activity of SO₄^2-/Ce-TiO₂(ratio of Ce to TiO₂ was 0.5% and impregnated with H₂SO₄ solution(0.5 mol/L)) in photodegradation on dimethyl dichlorovinyl phosphate(DDVP) was much higher than that of Ce-TiO₂ under the same reaction conditions.
- nanosized SO₄^2-/Ce-TiO₂,
- photocatalytic degradation,
- dimethyl dichlorovinyl phosphate
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Photocatalytic Degradation of DDVP over Nanosized SO42-/Ce-TiO2

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Photocatalytic Degradation of DDVP over Nanosized SO₄^2-/Ce-TiO₂