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Chemcial Industry and Engineering 2016, Vol. 33 Issue (3) :66-70,75    DOI: 10.13353/j.issn.1004.9533.20141090
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Application Analysis of Energy Recovery Device in Seawater Nanofiltration System
Liu Hui1,2,3, Wang Yue1,2,3, XU Shichang1,2,3, Gao Jianpeng1,2,3, Song Daiwang1,2,3
1. Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2. Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300072, China;
3. Collaborative Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, China

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Abstract 

Due to the unique separation functions of divalent ions, nanofiltration membrane separation technology has extensive market application in seawater desalination, water softening treatment and other fields. In this paper, a hybrid desalination process of 'nanofiltration plus energy recovery device' was developed according to the energy-saving requirement of a practical seawater nanofiltration engineering. Operating characteristics of the hybrid desalination system were studied and analyzed by adopting the proprietary energy recovery device. What's more, the actual contribution of the integrated energy recovery device to the nanofiltration system was evaluated. The results indicate that the operation stability of the hybrid system is good, the efficiency of the energy recovery device can be up to 96.28%, which dramatically reduces the power consumption of the seawater nanofiltration system by about 44%.

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Articles by authors
Liu Hui
Wang Yue
XU Shichang
Gao Jianpeng
Song Daiwang
Keywordsseawater desalination;   nanofiltration membrane separation technology;   energy recovery device;   energy consumption analysis     
Received 2014-04-25;
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Liu Hui, Wang Yue, XU Shichang, Gao Jianpeng, Song Daiwang.Application Analysis of Energy Recovery Device in Seawater Nanofiltration System[J]  Chemcial Industry and Engineering, 2016,V33(3): 66-70,75
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