期刊
CARBON
卷 116, 期 -, 页码 240-245出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2017.01.102
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资金
- University of New South Wales and Sydney Water Australia [FRG PS 37757]
- JSPS KAKENHI [JP16H00915]
- Sydney Water Australia [FRG PS 37757]
We have used a cationic surfactant cetyltrimethylammonium bromide (C16TAB) to increase the inter layer spacing between laminates in graphene oxide (GO) membranes for higher water flux. The addition of C16TAB to the GO membrane increased the permeability without compromising the ability to completely reject sucrose molecules. Species larger than sucrose can still permeate through modified GO membranes nearly with same rate as in the case of pure GO membranes. We speculate that interaction of C16TAB surfactant with sucrose molecules could be responsible for the selective rejection of sucrose. The selective rejection of sucrose, which is a common draw in forward osmosis (FO) process, suggests that surfactant modified GO membranes have the potential to improve the efficiency of the FO process. (C) 2017 Elsevier Ltd. All rights reserved.
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