Citation: Tao Lin, Zhan Pi, Mao Chu Gong, Jun Bo Zhong, Jian Li Wang, Yao Qiang Chen. Gas-phase photocatalytic oxidation of benzene over titanium dioxide loaded on Bi₁₂TiO₂₀[J]. Chinese Chemical Letters, ;2007, 18(2): 241-243. doi: 10.1016/j.cclet.2006.12.008 shu

Gas-phase photocatalytic oxidation of benzene over titanium dioxide loaded on Bi₁₂TiO₂₀

College of Chemistry, Sichuan University, Chengdu 610064, China

Received Date: 30 August 2006

TiO₂ was prepared by sol-gel method using tetrabutyl titanate as precursor. TiO₂ was loaded on Bi₁₂TiO₂₀. The photocatalyst with different TiO₂ loading was calcined at 723 K. The photocatalytic activity of decomposition gaseous benzene was investigated in a batch reactor. The prepared photocatalyst was characterized by UV-vis diffuse reflectance. The result showed that TiO₂/Bi₁₂TiO₂₀ absorbed much more ultraviolet light than TiO₂ in the ultraviolet light region and showed red shift. The results indicated that the prepared photocatalyst can greatly promote the photocatalytic activity. The 2.0% TiO₂/Bi₁₂TiO₂0 system exhibited the highest photocatalytic activity.
- Titanium,
- Bi₁₂TiO₂₀,
- Benzene,
- Photocatalytic oxidation
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