基于金属有机框架材料电容去离子技术淡化海水的研究进展

Research Progress of Seawater Desalination Based on Capacitive Deionization Technology of Metal-Organic Frameworks

电容去离子技术(CDI)是一种近年来新兴的用于去除溶解在盐溶液中带电离子的脱盐方法,因其具有环境友好、工艺简单、低能耗、低成本等优势而受到越来越多的关注。CDI的电极材料是该技术的核心。金属有机框架材料(MOFs)是一种具有较大比表面积、结构多样、孔径可调节等优点的新型CDI电极材料。首先简要介绍了CDI和MOFs,随后综述了基于MOFs材料CDI淡化海水的研究进展,主要围绕MOFs衍生碳材料及改性、杂原子掺杂MOFs衍生碳材料、MOFs衍生碳的复合材料和MOFs的复合材料四部分展开,最后提出了目前存在的一些不足,并对今后发展方向进行了展望。

Capacitive deionization(CDI)is an emerging desalination method for removing charged ions dissolved in salt solution in recent years.It has attracted more and more attention due to its advantages of environmental friendliness,simple process,low energy consumption and low cost.The electrode material of CDI is the core of this technology.Metal-organic frameworks(MOFs)is a new type of CDI electrode material with large specific surface area,diverse structure and adjustable pore size.Firstly,CDI and MOFs were briefly introduced.Then,the research progress of seawater desalination based on MOFs material CDI was reviewed.It mainly focuses on four parts:MOFs derived carbon materials and modification,heteroatom doped MOFs derived carbon,MOFs derived carbon composites and MOFs composites.Finally,some shortcomings were put forward,and the future development direction was prospected.