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Citation: LU Qiang, AN Lichao, ZHONG Qin, HU Yue, XIA Wenwen, WANG Zhiliang. Degradation of Nitrobenzene Wastewater by Electrocatalytic Oxidation with Ru_0.7Si_0.3O₂/Ti Electrode[J]. Chinese Journal of Applied Chemistry, ;2011, 28(5): 576-582. doi: 10.3724/SP.J.1095.2011.00404 shu

Degradation of Nitrobenzene Wastewater by Electrocatalytic Oxidation with Ru_0.7Si_0.3O₂/Ti Electrode

LU Qiang ^a ,
AN Lichao ^a,, ,
ZHONG Qin ^a ,
HU Yue ^a ,
XIA Wenwen ^b ,
WANG Zhiliang ^c

1.
a School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094;
2.
b Jiangsu Environmental Monitoring Center, Nanjing;
3.
c Jiangsu Key Laboratory of Environmental Engineering, Jiangsu Environmental Sciences Institute, Nanjing

Corresponding author: AN Lichao,
Received Date: 12 July 2010
Available Online: 18 October 2010
Fund Project: 江苏省环境工程重点实验室科研开放基金课题(KF2008002)资助项目 (KF2008002)

A Ru_0.7Si_0.3O₂/Ti electrode is used as the anode and stainless steel as the cathode,to decompose nitrobenzene in wastewater.The optimal conditions are as follows when the original concentration is 220 mg/L,J(current density)=25×10^-3 A/cm²,ρ(Na₂SO₄)=8 g/L,pH=2.Under the optimal conditions,the removal efficiencies of nitrobenzene and TOC are above 85% and 50% respectively.The result shows Ru_0.7Si_0.3O₂/Ti anode can effectively remove the organic pollutants in wastewater.The result of the intermediates detection shows that the nitrobenzene degradation is a synergistic process of the anode and the cathode.
- Ru_0.7Si_0.3O₂/Ti electrode,
- nitrobenzene,
- electro-catalytic oxidation,
- wastewater treatment
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Degradation of Nitrobenzene Wastewater by Electrocatalytic Oxidation with Ru_0.7Si_0.3O₂/Ti Electrode