Citation: Yang Xu, Zhao Lixin, Liu Lin, Zhang Yu. Progress in Electrostatic Coalescence Technology in Oil-Water Separation[J]. Chemistry, ;2018, 81(1): 52-58. shu

Progress in Electrostatic Coalescence Technology in Oil-Water Separation

Yang Xu ^1,2 ,
Zhao Lixin ^1,3,, ,
Liu Lin ^1,3 ,
Zhang Yu ²

1.
College of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318
2.
College of Electronic Science, Northeast Petroleum University, Daqing 163318
3.
Heilongjiang Key Laboratory of Petroleum and Petrochemical Multiphase Treatment and Pollution Prevention, Daqing 163318

Corresponding author: Zhao Lixin, Lx_zhao@126.com
Received Date: 29 July 2017
Accepted Date: 28 September 2017

Figures(8)

Electrostatic coalescence technology has the characteristics of fast, clean and high efficiency, usually do not need to add chemical reagent, and no additional pollutants are produced. Compared with gravity sedimentation method, it is more suitable for water droplet of small size or oil-water mixture with stable oil-water interface. In this paper, we briefly reviewed the coalescence principle of electrostatic coalescence, summarized the research and application progress on traditional electric dehydration technology, pipe electrostatic pre-coalescence and vessel internal electrostatic coalescence, compared and analyzed the application fields and technical characteristics of three kinds of electrostatic coalescence, introduced the current research situation of electrostatic coalescence and turbulence/shear flow coupling technique. Finally, the development trend of electrostatic coalescence was summarized and predicted.
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