Advances in the study of power supply mode of electrochemical oxidation technology

doi:10.11894/iwt.2018-1107

Abstract

Abstract:

Electrochemical oxidation technology is a typical environmentally friendly technology with excellent oxidation efficiency on the difficult biodegradable substances. At present, the electrochemical oxidation studies are mainly focused on the modification of the electrocatalytic anode, the improvement of the electrochemical oxidation system and the optimization of the parameters of the electrochemical oxidation process. However, the current supply mode of the electrochemical oxidation process is rarely concerned. It is mainly reviewed four modes of current supply in electrochemical oxidation technology, including constant voltage power supply mode, constant current power supply mode, pulse power supply mode, and dynamic current regulated power supply mode. It is pointed out that the pulse mode can effectively alleviate the mass transfer problem in the electrochemical oxidation process compared with the formers, thereby greatly improving the degradation efficiency. The method lays a better foundation for the engineering application of electrochemical oxidation technology.

Key words: electrochemical oxidation, advanced oxidation, power supply mode, mass transfer control

摘要：

电化学氧化是典型的环境友好技术，对难生物降解物质有较好的氧化效果。当前研究热点集中于阳极改性、电化学体系改进和过程参数优化，较少关注电流提供方式（即供电模式）。对电化学氧化技术的供电模式进行综述，介绍了4种供电模式：恒压供电、恒流供电、脉冲供电和动态电流调控；相比于前两者，脉冲模式可有效缓解电化学氧化过程的传质问题，反应效率大大提高。新型供电模式将为电化学氧化技术的进一步工程应用奠定基础。

关键词: 电化学氧化, 高级氧化, 供电模式, 传质控制

CLC Number:

X703

Jia'ni Lei,Mengmeng Yuan,Hua Guo,Honghui Yang,Hao Xu,Liu Yang. Advances in the study of power supply mode of electrochemical oxidation technology[J]. Industrial Water Treatment, 2019, 39(12): 7-12.

雷佳妮,袁孟孟,郭华,杨鸿辉,徐浩,杨柳. 电化学氧化技术供电方式研究进展[J]. 工业水处理, 2019, 39(12): 7-12.

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URL: https://www.iwt.cn/EN/10.11894/iwt.2018-1107

https://www.iwt.cn/EN/Y2019/V39/I12/7

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