Chapter
May 22, 2014
Influence of Polarity Reversal and Current Intermittence on Electro-Osmosis
Authors: Yan-li Tao, Jian Zhou, Xiao-nan Gong, Zhuo Chen, and Ping-Chuan HuAuthor Affiliations
Publication: Ground Improvement and Geosynthetics
Abstract
Polarity reversal and current intermittence are two attainable approaches to improve the electro-osmosis effect as well as to reduce energy consumption. The objective of this paper is to evaluate the impact of polarity reversal and current intermittence on electro-osmosis and, furthermore, to optimize the electrifying process. Laboratory tests were performed with different reversal intervals and distributions of power on-off time. Drainage and current were monitored to investigate the reinforced effect. It is demonstrated that proper design in current intermittence can excessively enhance the electro-osmotic effect. Conversely, polarity reversal has an indistinctive effect and is not recommended. Furthermore, disputes in published literature concerning polarity reversal and current intermittence were also discussed. This paper provides good guidance on the electrifying process for practical application of electro-osmosis.
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Information
Published In
Ground Improvement and Geosynthetics
Pages: 198 - 208
Copyright
© 2014 American Society of Civil Engineers.
History
Published online: May 22, 2014
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ASCE Technical Topics:
- Biological processes
- Business management
- Chemical processes
- Chemistry
- Dispute resolution
- Drainage
- Electric power
- Energy consumption
- Energy engineering
- Engineering fundamentals
- Environmental engineering
- Irrigation engineering
- Laboratory tests
- Legal affairs
- Osmosis
- Power transmission
- Practice and Profession
- Tests (by type)
- Waste management
- Water and water resources
Authors
Affiliations
Yan-li Tao
Research Center of Coastal and Urban Geotechnical Engineering of Zhejiang University, Hangzhou, 310027, China
Jian Zhou
Research Center of Coastal and Urban Geotechnical Engineering of Zhejiang University, Hangzhou, 310027, China
Xiao-nan Gong
Research Center of Coastal and Urban Geotechnical Engineering of Zhejiang University, Hangzhou, 310027, China
Zhuo Chen
Research Center of Coastal and Urban Geotechnical Engineering of Zhejiang University, Hangzhou, 310027, China
Ping-Chuan Hu
Research Center of Coastal and Urban Geotechnical Engineering of Zhejiang University, Hangzhou, 310027, China
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