膜分离技术在水处理领域应用广泛,但是受膜污染、trade-off效应等影响其应用受到限制。导电膜具有传统膜的选择透过性能和电化学性能,在电辅助作用下产生电化学氧化还原、静电吸附和排斥等作用,有效提高了膜抗污染性能和离子截留率,在难降解废水处理方面具有广阔的应用前景。简述了导电膜的类型及去除污染物的分离机理,介绍了导电膜的制备方法,综述了导电膜在水处理中的应用进展并展望了导电膜在水处理领域的研究方向。
Membrane separation technology is widely used in the field of water treatment,but its application is limited by factors such as membrane fouling and trade-off effect.Conductive membranes have the selective permeability and electrochemical properties of conventional membranes,which produce electrochemical redox,electrostatic adsorption and repulsion under electrically assisted action.It effectively improves the anti-fouling performance and ion retention rate of the membrane,and has a broad application prospect in the treatment of difficult-to-degrade wastewater.The types of conductive membranes and the separation mechanism for removing pollutants were briefly described,the preparation methods of conductive membranes were introduced,the progress of the application of conductive membranes in water treatment was summarized,and the research direction of conductive membranes in the field of water treatment was envisioned.
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基金资助
苏州市重点产业技术创新(前瞻性应用研究)项目(SYG201744)
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