Preparation and Properties of Titanium based Metal Oxide Electrodes for Ammonia Nitrogen Wastewater Treatment

Authors

Xue LI, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;
Meng XUE, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;
Ling HUANG, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;Follow
Jun-tao LI, College of Energy, Xiamen University, Xiamen 361102, Fujian, China;
Shi-gang SUN, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China;

Corresponding Author

Ling HUANG(huangl@xmu.edu.cn)

Abstract

In this paper, four types of titanium based metal oxides electrodes were prepared by thermal decomposition method: Ti/SnO₂+Sb₂O₃, Ti/SnO₂+Sb₂O₃/SnO₂+IrO₂, Ti/SnO₂+Sb₂O₃/SnO₂+RuO₂, Ti/SnO₂+Sb₂O₃/SnO₂+CeO₂. The XRD results show that CeO₂ in Ti/SnO₂+Sb₂O₃/SnO₂+CeO₂ displayed a good crystal structure, and there was no significant oxygen evolution reaction occurred after electrolytic oxidation. Compared with the other three electrodes, the Ce-doped electrode exhibited the best electro-catalytic activity: the degradation of the simulated wastewater with high concentration (500 mg·L^-1) was 180 mg·L^-1, and the degradation efficiency was up to 64%.

Graphical Abstract

Keywords

ammonia nitrogen, electrochemical oxidation, Ti-based electrode

DOI Link

https://doi.org/10.13208/j.electrochem.140227

Publication Date

2015-02-28

Online Available Date

2014-03-21

Revised Date

2014-03-15

Received Date

2014-02-27

Recommended Citation

Xue LI, Meng XUE, Ling HUANG, Jun-tao LI, Shi-gang SUN. Preparation and Properties of Titanium based Metal Oxide Electrodes for Ammonia Nitrogen Wastewater Treatment[J]. Journal of Electrochemistry, 2015 , 21(1): 78-84.
DOI: 10.13208/j.electrochem.140227
Available at: https://jelectrochem.xmu.edu.cn/journal/vol21/iss1/12

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