Citation: Qianli Zhang, Xinyan Guo, Xiaodan Cao, Dongtian Wang, Jie Wei. Facile preparation of a Ti/α-PbO₂/β-PbO₂ electrode for theelectrochemical degradation of 2-chlorophenol[J]. Chinese Journal of Catalysis, ;2015, 36(7): 975-981. doi: 10.1016/S1872-2067(15)60851-8 shu

Facile preparation of a Ti/α-PbO₂/β-PbO₂ electrode for theelectrochemical degradation of 2-chlorophenol

1.
College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou 215009, Jiangsu, China

Corresponding author: Jie Wei,
Received Date: 8 January 2015
Available Online: 27 March 2015
Fund Project: 国家自然科学基金(251178283, 20905055) (251178283, 20905055) 江苏省研究生创新工程(SJLX_0580). (SJLX_0580)

A Ti/α-PbO₂/β-PbO₂ electrode with high stability was prepared and examined toward the electrochemical degradation of 2-chlorophenol. Scanning electron microscopy analysis revealed that Ti/α-PbO₂/β-PbO₂ had a cauliflower morphology comprising small β-PbO₂ crystals. The 2-chlorophenol removal rate using the Ti/α-PbO₂/β-PbO₂ electrode was 100% after 180 min of electrolysis under optimal conditions, which were selected based on the orthogonal test method, i.e., initial concentration of 2-cholorophenol = 50 mg/L, concentration of Na₂SO₄ = 0.1 mol/L, temperature = 35 ℃, and anode current density = 20 mA/cm². Kinetic analyses demonstrated that the electrochemical oxidation of 2-chlorophenol on the Ti/α-PbO₂/β-PbO₂ electrode followed pseudo-first order kinetics.
- Electrochemical degradation,
- 2-Chlorophenol,
- β-PbO₂ electrode,
- α-PbO₂ interlayer,
- Kinetic analysis
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沈阳化工大学材料科学与工程学院沈阳 110142

Facile preparation of a Ti/α-PbO2/β-PbO2 electrode for theelectrochemical degradation of 2-chlorophenol

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通讯作者: 陈斌, bchen63@163.com

Facile preparation of a Ti/α-PbO₂/β-PbO₂ electrode for theelectrochemical degradation of 2-chlorophenol