Energy Recovery Device with a Fluid Switcher for Seawater Reverse Osmosis System

孙家喜; 王越; 徐世昌; 王世昌

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Energy Recovery Device with a Fluid Switcher for Seawater Reverse Osmosis System

Updated：2026-01-06

- Energy Recovery Device with a Fluid Switcher for Seawater Reverse Osmosis System
- Chinese Journal of Chemical Engineering Vol. 16, Issue 2, Pages: 329-332(2008)
- Affiliations：
  
  Chemical Engineering Research Center, State Key Laboratory of Chemical Engineering, School of Chemical Engi-neering and Technology, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2008
- Accepted：
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SUN Jiaxi, WANGYue, XU Shichang, WANG Shichang. Energy Recovery Device with a Fluid Switcher for Seawater Reverse Osmosis System[J]. , 2008, 16(2): 329-332.
DOI：

SUN Jiaxi, WANGYue, XU Shichang, WANG Shichang. Energy Recovery Device with a Fluid Switcher for Seawater Reverse Osmosis System[J]. , 2008, 16(2): 329-332. DOI：

摘要

Abstract

Energy recovery device(ERD)is an important part of the seawater reverse osmosis(SWRO)desalination system.There are principally two kinds of ERDs

the centrifugal type and the positive displacement(PD)type. The PD type is of extensive concern and is preferred in large-scale plants.In this article

an innovative fluid switcher was presented and a two-cylinder hydraulic energy recovery unit with a labscale fluid switcher was set up. Tap water was used as the working medium instead of the actual seawater and brine in SWRO desalination plants. Under steady state operating conditions

the experimental results were obtained on the variations of the pressure and flow rate to and from the energy recovery unit.The hydraulic recovery efficiency(

)of the energy recovery unit with the fluid switcher reached up to 76.83%.

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