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Comprehensive review of osmotic dilution/concentration using FO membranes for practical applications

Authors
Zhan, MinKim, YoungjinHong, Seungkwan
Issue Date
1-11월-2021
Publisher
ELSEVIER
Keywords
Forward osmosis; Current limitations; Draw solution regeneration; Osmotic dilution; Osmotic concentration
Citation
DESALINATION, v.515
Indexed
SCIE
SCOPUS
Journal Title
DESALINATION
Volume
515
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/127613
DOI
10.1016/j.desal.2021.115190
ISSN
0011-9164
Abstract
Forward osmosis (FO) has attracted growing attention in the field of membrane-based separation technology over the last two decades. Despite recent advancements in various osmosis-assisted processes, few studies have succeeded in commercialization. This paper reviews the state-of-the-art developments of FO membrane, limitation analysis, and commercial proper applications. First, the development of FO technology in terms of FO membranes, FO draw solution (DS), and FO systems is reviewed. Based on a literature database survey spanning 1965-2020, current limitations of FO, particularly in terms of DS regeneration, energy consumption, and scale-up implementation, are identified to overcome the obstacles to commercialization. The key applications of the FO membrane process in commercial sectors are further classified into three configurations (i.e., osmotic dilution, osmotic concentration, and simultaneous osmotic dilution and concentration), and their successful applications are discussed. Since industrial demonstrations of simultaneous osmotic dilution and concentration are in progress, we believe that FO technology with no need for DS regeneration will be commercialized soon in the future.
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