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

Title
Numerical studies on the pressure-retarded osmosis (PRO) system with the spiral wound module for power generation
Authors
홍성수류원선전명석이승오정귀영
Keywords
Pressure-retarded osmosis (PRO); Spiral wound module; Membrane; Numerical modeling; Power density; Water flux
Issue Date
2014-10
Publisher
DESALINATION AND WATER TREATMENT-SCIENCE AND ENGINEERING
Citation
VOL 52, 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.
URI
http://pubs.kist.re.kr/handle/201004/49066
ISSN
19443994
Appears in Collections:
KIST Publication > Article
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