Numerical studies on the pressure-retarded osmosis (PRO) system with the spiral wound module for power generation

Authors
Hong, Sung-SooRyoo, WonChun, Myung-SukLee, Seung OhChung, Gui-Yung
Issue Date
2014-10-15
Publisher
DESALINATION PUBL
Citation
DESALINATION AND WATER TREATMENT, v.52, no.34-36, pp.6333 - 6341
Abstract
The pressure-retarded osmosis system with the spiral wound module for power generation has been studied numerically. The system includes draw channel, membrane, and feed-channel. The water flux and the solute flux across membrane were calculated. In addition, changes in concentration, flow rate, and pressure of channel-fluids were obtained. Water flux across membrane decreases about 10% along the direction of draw-fluid in our system and increases slightly along the direction of feed-fluid. The concentration of draw-fluid decreases along the direction of draw-fluid. Power density is almost proportional to the inlet concentration difference, and increases at first and then decreases as the difference between inlet pressures of feed- and draw-fluids increases.
Keywords
ANALYTICAL-MODEL; REVERSE; PERFORMANCE; ANALYTICAL-MODEL; REVERSE; PERFORMANCE; Power density; Spiral wound module; Water flux; Numerical modeling; Pressure-retarded osmosis (PRO); Membrane
ISSN
1944-3994
URI
https://pubs.kist.re.kr/handle/201004/126236
DOI
10.1080/19443994.2013.821041
Appears in Collections:
KIST Article > 2014
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