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Membranes 2017, 7(2), 30; doi:10.3390/membranes7020030

A Short Review of Membrane Fouling in Forward Osmosis Processes

1
Natural and Built Environments Research Centre, School of Natural and Built Environments, University of South Australia, Mawson Lakes 5095, Australia
2
Singapore Membrane Technology Centre, Nanyang Environment & Water Research Institute, Nanyang Technological University, Singapore 637141, Singapore
3
Department of Chemical and Environmental Engineering, Masdar Institute, Khalifa University of Science and Technology, Masdar City, P.O. Box 54224, Abu Dhabi, UAE
4
Global Desalination Research Center, School of Earth Science and Environmental Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
*
Authors to whom correspondence should be addressed.
Academic Editor: Jega Veeriah Jegatheesan
Received: 18 May 2017 / Revised: 6 June 2017 / Accepted: 7 June 2017 / Published: 12 June 2017
(This article belongs to the Special Issue Membranes: Fouling, Scaling and Aging)
View Full-Text   |   Download PDF [3293 KB, uploaded 12 June 2017]   |  

Abstract

Interest in forward osmosis (FO) research has rapidly increased in the last decade due to problems of water and energy scarcity. FO processes have been used in many applications, including wastewater reclamation, desalination, energy production, fertigation, and food and pharmaceutical processing. However, the inherent disadvantages of FO, such as lower permeate water flux compared to pressure driven membrane processes, concentration polarisation (CP), reverse salt diffusion, the energy consumption of draw solution recovery and issues of membrane fouling have restricted its industrial applications. This paper focuses on the fouling phenomena of FO processes in different areas, including organic, inorganic and biological categories, for better understanding of this long-standing issue in membrane processes. Furthermore, membrane fouling monitoring and mitigation strategies are reviewed. View Full-Text
Keywords: forward osmosis; membrane fouling; fouling monitoring; membrane cleaning; membrane surface modification forward osmosis; membrane fouling; fouling monitoring; membrane cleaning; membrane surface modification
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Chun, Y.; Mulcahy, D.; Zou, L.; Kim, I.S. A Short Review of Membrane Fouling in Forward Osmosis Processes. Membranes 2017, 7, 30.

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