Graphene oxide incorporated thin-film composite membranes for forward osmosis applications
Graphene oxide incorporated thin-film composite membranes for forward osmosis applications
复制标题
用于正向渗透应用的氧化石墨烯薄膜复合膜
DOI：
10.1016/j.ces.2015.12.029
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发表时间：
2016-04-02
影响因子：
4.7
通讯作者：
Wang, Yan
中科院分区：
文献类型：
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作者：
Shen, Liang;Xiong, Shu;Wang, Yan
在这项工作中，我们合成了氧化石墨烯(GO)纳米片，并将其引入到聚酰胺(PA)选择性层中，制备了一种用于正向渗透(FO)的新型薄膜复合膜。用多种表征手段研究了合成的GO和GO掺杂的TFC膜的化学结构和形貌。与对照TFC膜相比，GO-TFC膜具有更高的水通量和合理的溶质截留率。从膜的各种表征和本征分离性能两个方面，系统地研究了GO负载量对GO掺杂的TFC膜形态和FO性能的影响。此外，还研究了牵伸溶液浓度的影响。在FO实验中，加入GO的TFC膜的污染倾向也低于未包埋GO的TFC膜。(C)2016爱思唯尔有限公司。保留所有权利。
In this work, graphene oxide (GO) nanosheets are synthesized and incorporated into the polyamide (PA) selective layer to develop a novel thin-film composite (TFC) membrane for forward osmosis (FO) application. The chemical structure and morphology of the synthesized GO and GO-incorporated TFC membranes are studied by various characterization techniques. Compared with the control TFC membrane, GO-incorporated TFC membranes exhibit higher water flux and reasonable draw solute rejection. The effects of the GO loading on the membrane morphology and FO performance of the GO-incorporated TFC membranes are investigated systematically in terms of various characterizations and intrinsic separation performance. The influence of the draw solution concentration is also studied. The GO incorporated TFC membranes also possess lower fouling propensity in FO test than that without embedded GO. (C) 2016 Elsevier Ltd. All rights reserved.