用于水质净化的氧化石墨烯膜研究进展

Research progress of graphene oxide membrane for water purification

氧化石墨烯膜具有超高的水通量、可控的层间距以及卓越的分离性能,这些优异的特性使氧化石墨烯膜有望成为新一代膜材料并用于水环境中物质的精确分离。对氧化石墨烯膜的研究已经取得了许多重要的成果,本文系统地阐述了用于水质净化的氧化石墨烯膜的结构特性和构效关系,总结了氧化石墨烯膜典型的制备方法,重点介绍了氧化石墨烯膜的改性方式,概述了氧化石墨烯膜在多种水环境中的应用,总结并展望了氧化石墨烯膜的发展方向,为设计和合成高性能氧化石墨烯膜用于水质净化提供新的思路。

Graphene oxide membranes have ultra-high water flux,controllable interlayer spacing and excellent separation properties.These outstanding characteristics make graphene oxide membranes promising to be a new generation of membrane materials and used for the precise separation of substances in the water environment.At present,researchers have performed numerous studies on graphene oxide membranes and achieved breakthrough results,including the transfer behavior of water in the membrane,the separation mechanism of the membrane and the preparation methods of the membrane,etc.However,there is still a lack of comprehensive understanding of graphene oxide membranes.This review systematically described the structural properties and structure-effect relationships of graphene oxide membrane,and summarized the typical preparation methods.In terms of the challenges faced by graphene oxide membrane in practical application,we focused on the existing modification methods of graphene oxide membrane.The applications of graphene oxide membrane in various water environments were also discussed.Finally,the future development of graphene oxide membrane was summarized and prospected.The aim of this paper is to provide novel ideas for the design and synthesis of high-performance graphene oxide membranes for water purification.