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Citation: Guo Jiaxin, Zhang Qiaoling, Liu Youzhi, Chang Junbo. Photocatalytic Degradation of Phenol-Containing Wastewater by TiO₂ Photocatalyst Doped with Fe Supported in a Spinning Disc Reactor[J]. Chemistry, ;2017, 80(3): 288-292. shu

Photocatalytic Degradation of Phenol-Containing Wastewater by TiO₂ Photocatalyst Doped with Fe Supported in a Spinning Disc Reactor

Shanxi Province Key Laboratory of Higee-Oriented Chemical Engineering, North University of China, Taiyuan 030051

Corresponding author: Zhang Qiaoling, 2654428235@qq.com
Received Date: 23 July 2016
Accepted Date: 18 September 2016

Figures(8)

TiO₂ doped with iron (Fe-TiO₂) that prepared by sol-gel method were loaded on the disc surface of spinning disc reactor for the degradation of phenol-containing wastewater. Fe-TiO₂ photocatalyst were characterized using X-ray diffraction, Raman spectrum, scanning electron microscopy, and UV-Vis diffuse reflectance spectroscopy. Two factors that affect the degradation efficiency such as doping amount and calcination temperature were investigated. The results showed that some of Ti⁴⁺ inside the TiO₂ lattice internal was replaced by Fe³⁺, resulted in increasing internal crystal defects, broadening light response range, and thus improved the photocatalytic activity of nanometer photocatalyst. The degradation effect of Fe-TiO₂ is the best for phenol-containing wastewater when doping amount is 0.5% and calcination temperature is 600℃. The phenol degradation rate for 1L of phenol solution can reach 75% after circulation processing for 2 h, more than 20% higher than that of pure TiO₂.
- Fe doped,
- TiO₂,
- Photocatalysis,
- Phenol-containing wastewater,
- Spinning disc reactor
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