化工进展 ›› 2020, Vol. 39 ›› Issue (6): 2135-2144.DOI: 10.16085/j.issn.1000-6613.2020-0063

• 专栏:化工分离过程 • 上一篇    下一篇

疏水石墨烯膜的制备及其用于膜蒸馏脱盐的研究进展

高凯华(), 茆羊羊, 刘公平(), 金万勤   

  1. 材料化学工程国家重点实验室,南京工业大学化工学院,南京 211816
  • 出版日期:2020-06-05 发布日期:2020-06-16
  • 通讯作者: 刘公平
  • 作者简介:高凯华(1996—),男,硕士研究生,研究方向为石墨烯膜蒸馏。E-mail: 201961204190@njtech.edu.cn
  • 基金资助:
    国家自然科学基金(21922805)

Progresses in preparation of hydrophobic graphene-based membranes and their application for membrane distillation desalination

Kaihua GAO(), Yangyang MAO, Gongping LIU(), Wanqin JIN   

  1. State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, Jiangsu, China
  • Online:2020-06-05 Published:2020-06-16
  • Contact: Gongping LIU

摘要:

膜蒸馏技术由于理论截盐率高、操作条件温和及对盐浓度灵敏度低等优势,在脱盐领域中展现出巨大潜力。近年来,人们开始关注石墨烯材料在膜蒸馏脱盐领域中的应用。本文首先概述膜蒸馏技术的基本原理及常用膜材料;接着介绍石墨烯的疏水性质和疏水石墨烯膜的制备;再详细综述石墨烯混合基质膜、石墨烯复合膜及石墨烯纯膜这三类疏水石墨烯膜在膜蒸馏脱盐中的应用;最后总结疏水石墨烯用于膜蒸馏脱盐面临的主要挑战及未来研究方向。

关键词: 疏水, 石墨烯膜, 膜蒸馏, 脱盐

Abstract:

Membrane distillation technology has shown great potential in desalination owing to its advantages such as high theoretical salt rejection rate, mild operating conditions and low sensitivity to feed salt concentration. In recent years, growing attention has been paid on using graphene for membrane distillation desalination. First, the introduction and membrane materials of membrane distillation technology were outlined in this paper. Next, the hydrophobicity of graphene and preparation methods of hydrophobic graphene membrane were introduced, followed by a detailed review of three kinds of hydrophobic graphene-based membranes (i.e., graphene mixed matrix membranes, graphene composite membranes, and pure graphene membranes) for membrane distillation. Finally, current challenges and future research directions of hydrophobic graphene for membrane distillation desalination were prospected.

Key words: hydrophobicity, graphene membrane, membrane distillation, desalination

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