钛基金属氧化物电极制备及其氨氮废水降解性能

doi:10.13208/j.electrochem.140227

电化学（中英文） ›› 2015, Vol. 21 ›› Issue (1): 78-84. doi: 10.13208/j.electrochem.140227

钛基金属氧化物电极制备及其氨氮废水降解性能

李雪¹，薛梦¹，黄令^1*，李君涛²，孙世刚¹

1. 厦门大学化学化工学院，福建厦门361005，2. 厦门大学能源研究院，福建厦门 361100

收稿日期:2014-02-27 修回日期:2014-03-15 出版日期:2015-02-28 发布日期:2014-03-21
通讯作者: 黄令 E-mail:huangl@xmu.edu.cn
基金资助:
厦门市科技计划项目（No. 3502Z20103010）资助

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

LI Xue¹, XUE Meng¹, HUANG Ling^1*, LI Jun-tao², SUN Shi-gang¹

1. Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian, China; 2. College of Energy, Xiamen University, Xiamen 361102, Fujian, China

Received:2014-02-27 Revised:2014-03-15 Published:2015-02-28 Online:2014-03-21
Contact: HUANG Ling E-mail:huangl@xmu.edu.cn

摘要/Abstract

摘要： 采用热分解方法制备了4种电极钛基金属氧化物：Ti/SnO₂+Sb₂O₃、Ti/SnO₂+Sb₂O₃/SnO₂+IrO₂、Ti/SnO₂+Sb₂O₃/SnO₂+RuO₂和Ti/SnO₂+Sb₂O₃/SnO₂+CeO₂. X-射线衍射分析表明Ti/SnO₂+Sb₂O₃/SnO₂+CeO₂电极的CeO₂晶体结构完好，连续工作较长时间电极表面没有明显析氧. 使用该电极电解氧化氨氮模拟废水（降解2 h），氨氮模拟废水从高浓度（500 mg·L^-1）降解为较低浓度（180 mg·L^-1），降解效率可达64%，电解活性最佳.

关键词: 氨氮, 电化学氧化, 钛基氧化物电极

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%.

Key words: ammonia nitrogen, electrochemical oxidation, Ti-based electrode

中图分类号:

O646

李雪，薛梦，黄令*，李君涛，孙世刚. 钛基金属氧化物电极制备及其氨氮废水降解性能[J]. 电化学（中英文）, 2015, 21(1): 78-84.

LI Xue, XUE Meng, HUANG Ling*, LI Jun-tao, SUN Shi-gang. Preparation and Properties of Titanium based Metal Oxide Electrodes for Ammonia Nitrogen Wastewater Treatment[J]. Journal of Electrochemistry, 2015, 21(1): 78-84.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.13208/j.electrochem.140227

https://electrochem.xmu.edu.cn/CN/Y2015/V21/I1/78

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钛基金属氧化物电极制备及其氨氮废水降解性能

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

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