Preparation of freestanding graphene-based laminar membrane for clean-water intake via forward osmosis process
Yan, F; Yu, CH; Zhang, BW; Zou, T; Zhao, HW; Li, JY
2017
发表期刊RSC ADVANCES
ISSN2046-2069
卷号7期号:3页码:1326-1335
文章类型期刊论文
摘要Here, a facile strategy is reported to prepare thin freestanding graphene oxide (GO) laminar membranes through thermally-induced chemical cross-linking process. The resultant freestanding cross-linked GO (F-CGO) membranes show controllable inter-laminar distance and hydraulic stability in aqueous media. Semi-permeability tests through a forward osmosis (FO) system show that the water permeation rate of the F-CGO membranes is up to 35.5 L m(-2) h(-1) when the draw solution is 2.0 mol L-1 NaCl solution. This value is much higher than that of standing cross-linked GO (S-CGO) membranes, which indicates that the internal concentration polarization (ICP) effect has been alleviated by the F-CGO membrane. Furthermore, clean-water was taken in from various wastewaters, but without any detectable residual pollutants by using the F-CGO membrane as a separator. This work demonstrates that the F-CGO membrane is promising for water purification applications through the FO process, especially for portable water purification systems utilized during emergency situations.
DOI10.1039/c6ra27141c
收录类别SCI
语种英语
WOS记录号WOS:000393744400018
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/27417
专题中科院上海应用物理研究所2011-2018年
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Yan, F,Yu, CH,Zhang, BW,et al. Preparation of freestanding graphene-based laminar membrane for clean-water intake via forward osmosis process[J]. RSC ADVANCES,2017,7(3):1326-1335.
APA Yan, F,Yu, CH,Zhang, BW,Zou, T,Zhao, HW,&Li, JY.(2017).Preparation of freestanding graphene-based laminar membrane for clean-water intake via forward osmosis process.RSC ADVANCES,7(3),1326-1335.
MLA Yan, F,et al."Preparation of freestanding graphene-based laminar membrane for clean-water intake via forward osmosis process".RSC ADVANCES 7.3(2017):1326-1335.
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