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| 염도차를 이용한 압력지연삼투 공정의 현황과 미래 |
| 김지혜1, 김승현2, 김준하1 |
1광주과학기술원 환경공학부
2경남대학교 토목공학부 |
| Pressure Retarded Osmosis Process: Current Status and Future |
| Jihye Kim1, Seung-Hyun Kim2, Joon Ha Kim1 |
1School of Environmental Science and Engineering, Gwangju Institute of Science and Technology
2Department of Civil Engineering, Kyungnam University |
| Corresponding author |
Joon Ha Kim ,Tel: 062-715-3277, Fax: 062-715-2434, Email: joonkim@gist.ac.kr
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Received: October 26, 2014; Revised: November 4, 2014; Accepted: November 19, 2014. Published online: November 30, 2014. |
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| ABSTRACT |
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Energy shortage is being exacerbated due to the increase of energy consumption and depletion of fossil fuels. In order
to release the energy crisis, new types of energy resources such as small hydropower, solar power, wind power and biomass have been
already developed or actively researched. Recently, osmotic power, which harvests energy from salinity gradient between seawater
and fresh water, is considered as a feasible candidate. Among the osmotic power processes, pressure retarded osmosis (PRO) is
widely gaining attention because of no emission of carbon dioxide and less sensitivity to the external environmental conditions.
However, PRO process is facing difficulties such as the lack of specialized PRO membrane and optimization technologies. Therefore,
PRO was reviewed in this paper in terms of theoretical background, membrane development, process development and fouling
mechanism to provide insights and suggest the future direction of PRO research. |
| Key Words:
Pressure Retarded Osmosis (PRO), Salinity Gradient Energy, Renewable Energy |
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