Acknowledgements This work was supported by the National Natural Science Foundation of China (Grant No. 51278317). We would like to express our special thanks to Prof. Elimelech and his group members at Yale University (New Haven, CN, USA) for guidance on FO experimental setups and interfacial polymerization.
To advance commercial application of forward osmosis (FO), we investigated the effects of two additives on the performance of polysulfone (PSf) based FO membranes: one is poly(ethylene glycol) (PEG), and anot...