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Citation: WANG Jiu-Si, ZHAO Hong-Hua. Photocatalytic Degradation of Reactive Gaudy Red X-3B Dye on Immobilized Nanometer TiO₂[J]. Chinese Journal of Applied Chemistry, ;2002, 19(8): 792-794. shu

Photocatalytic Degradation of Reactive Gaudy Red X-3B Dye on Immobilized Nanometer TiO₂

WANG Jiu-Si ^, ,
ZHAO Hong-Hua

1.
College of Chemical, Lanzhou Railway Institute, Lanzhou 730070

Corresponding author: WANG Jiu-Si,
Received Date: 28 December 2001
Available Online: 12 March 2002
Fund Project: 甘肃省环保局科研项目(GH₂001-7) (GH₂001-7)

The washed and dried porous silica gel was soaked in water glass of moderate viscosity, then mixed with nanometer TiO₂, stired until TiO₂ has been uniformly distributed on the porous silica gel. After dried naturally, it was calcined at 300℃ for 1h to give the immobilized nanometer TiO₂ which was mechanically and chemically stable, and can be reused. Under the illumination of high-pressure Hg lamp, the X-3B dye could be degraded almost quantitatively(98%) in a solution containing the photocatalyst, Fe³⁺ and H₂O₂ with bubbling of air.
- reactive gaudy red X-3B dye,
- TiO₂,
- photocatalytic oxidation,
- degradation,
- immobilized nanometer photocatalyst
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Photocatalytic Degradation of Reactive Gaudy Red X-3B Dye on Immobilized Nanometer TiO2

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Photocatalytic Degradation of Reactive Gaudy Red X-3B Dye on Immobilized Nanometer TiO₂