期刊
ENERGIES
卷 15, 期 19, 页码 -出版社
MDPI
DOI: 10.3390/en15197325
关键词
pressure retarded osmosis; review; osmotic power challenges; PRO modules
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC) [401366]
Pressure-retarded osmosis (PRO) is a promising technology for harvesting salinity gradient energy. However, its commercialization faces challenges due to discrepancies between lab-scale and pilot-scale performance, mainly caused by pressure drop and draw pressure effect on large-scale modules. Other factors such as concentration polarization, solution temperature, and feed channel hydrodynamics also affect PRO commercialization.
Pressure-retarded osmosis (PRO) is a promising technology that harvests salinity gradient energy. Even though PRO has great power-generating potential, its commercialization is currently facing many challenges. In this regard, this review highlights the discrepancies between the reported power density obtained by lab-scale PRO systems, as well as numerical investigations, and the significantly low power density values obtained by PRO pilot plants. This difference in performance is mainly due to the effect of a pressure drop and the draw pressure effect on the feed channel hydrodynamics, which have significant impacts on large-scale modules; however, it has a minor or no effect on small-scale ones. Therefore, this review outlines the underlying causes of the high power density values obtained by lab-scale PRO systems and numerical studies. Moreover, other challenges impeding PRO commercialization are discussed, including the effect of concentration polarization, the solution temperature, the pressure drop, and the draw pressure effect on the feed channel hydrodynamics. In conclusion, this review sheds valuable insights on the issues facing PRO commercialization and suggests recommendations that can facilitate the successful development of PRO power plants.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据