• 文献标题:   Development of sulfonated graphene oxide polyamide thin-film composite membranes for forward osmosis
  • 文献类型:   Article
  • 作  者:   GALAGEDARA YR, PERERA MGN, REN YW, JAYAWEERA M, ZHAO YT, WEERASOORIYA R
  • 作者关键词:   antifouling, interfacial polymerization, permeability, reverse salt flux, water flux
  • 出版物名称:   DESALINATION WATER TREATMENT
  • ISSN:   1944-3994 EI 1944-3986
  • 通讯作者地址:   Chinese Acad Sci
  • 被引频次:   1
  • DOI:   10.5004/dwt.2018.23237
  • 出版年:   2018

▎ 摘  要

We fabricated a novel thin-film composite (TFC) membrane by integrating sulfonated graphene oxides (SGO) in its active layer. This novel membrane holds a great promise in forward osmosis (FO). The SGO was effectively synthesized from graphene oxide (GO), as it possesses a high hydrophilic nature, which in turn imparts enhanced desalination capacity for TFC-FO membranes. The structure and properties of TFC, GO-incorporated TFC membranes (GTFC) and SGO-incorporated TFC membranes (STFC) were characterized by attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR), scanning electron microscopy (SEM), and atomic force microscopy (AFM), and SGO incorporation was proven to be successful. Osmotic performance tests showed that STFC-FO membranes achieved higher water flux and reverse salt flux selectivity than GTFC-FO and TFC-FO membranes. The best STFC-FO membrane exhibited the water flux of 27.14 LMH with the specific reverse salt flux of 0.13 g/L. The SGO incorporation onto membrane also contributed to its decreased fouling propensity.