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Title: Anti-fouling graphene-based membranes for effective water desalination
Authors: Seo, Dong Han
Pineda, Shafique
Woo, Yun Chul
Xie, Ming
Murdock, Adrian T.
Ang, Elisa Y. M.
Jiao, Yalong
Park, Myoung Jun
Lim, Sung Il
Lawn, Malcolm
Borghi, Fabricio Frizera
Han, Zhao Jun
Gray, Stephen
Millar, Graeme
Du, Aijun
Shon, Ho Kyong
Ng, Teng Yong
Ostrikov, Kostya
Keywords: Water Desalination
Issue Date: 2018
Source: Seo, D. H., Pineda, S., Woo, Y. C., Xie, M., Murdock, A. T., Ang, E. Y. M., et al. (2018). Anti-fouling graphene-based membranes for effective water desalination. Nature Communications, 9(1), 683-.
Series/Report no.: Nature Communications
Abstract: The inability of membranes to handle a wide spectrum of pollutants is an important unsolved problem for water treatment. Here we demonstrate water desalination via a membrane distillation process using a graphene membrane where water permeation is enabled by nanochannels of multilayer, mismatched, partially overlapping graphene grains. Graphene films derived from renewable oil exhibit significantly superior retention of water vapour flux and salt rejection rates, and a superior antifouling capability under a mixture of saline water containing contaminants such as oils and surfactants, compared to commercial distillation membranes. Moreover, real-world applicability of our membrane is demonstrated by processing sea water from Sydney Harbour over 72 h with macroscale membrane size of 4 cm2, processing ~0.5 L per day. Numerical simulations show that the channels between the mismatched grains serve as an effective water permeation route. Our research will pave the way for large-scale graphene-based antifouling membranes for diverse water treatment applications.
DOI: 10.1038/s41467-018-02871-3
Rights: © 2018 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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