CIESC Journal ›› 2018, Vol. 69 ›› Issue (4): 1255-1260.doi: 10.11949/j.issn.0438-1157.20170836

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Highlights of international forward osmosis technology symposium (IFOS2016): is forward osmosis feasible?

ZHAO Shuwei1,2, HE Tao2, LI Xuemei2, GAO Congjie3, HO Kyong Shon4, NGHIEM Long D5, ELIMELECH Menachem6   

  1. 1. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China;
    2. Laboratory for Membrane Materials and Separation Technology, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China;
    3. School of Ocean College, Zhejiang University of Technology, Hangzhou 310014, Zhejiang, China;
    4. Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney(UTS), P. O. Box 123, 15 Broadway, NSW 2007, Australia;
    5. Strategic Water Infrastructure Laboratory, School of Civil, Mining and Environmental Engineering, University of Wollongong, Wollongong, NSW 2522, Australia;
    6. Department of Chemical and Environmental Engineering, Yale University, New Haven, Connecticut 06520-8286, United States
  • Received:2017-06-29 Revised:2017-07-17 Online:2018-04-05 Published:2018-04-05


The research highlights on forward osmosis (FO) technology at the International Forward Osmosis Symposium (IFOS2016) in Sydney by the end of 2016 are summarized. For FO membrane materials, reduction in the structure parameter of the support layer, rather than the increase of the permeability of the active separation layer, is the key to improve the FO flux. Overall, the improvement in the rejection and antifouling properties is the key factor for high performance membrane. For draw solutes, inorganic salts appear to be the most promising candidates. Osmotic dilution and hybrid processes with other separation technologies for treating high salinity wastewater remain the main potential application. Unfortunately, in a short term, FO based salinity power generation is not competitive to other new energy alternatives.

Key words: forward osmosis, draw solution, osmotic dilution, structure parameter, highly saline wastewater, membranes, selectivity, separation

CLC Number: 

  • TQ202
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