电容法选择性去除水体中有害离子

Selective Removal of Harmful Ions from Water by Capacitive Deionization

选择性去除污水中的有害离子对污水净化和资源回收有重要意义。而电容去离子技术(CDI)作为一种新型水处理技术,在有害离子选择性去除方面具有独特的优势和广阔的应用前景。通过电极材料开发、离子交换膜/树脂在CDI中的引入及CDI操作条件的优化,可以有效提高CDI的离子选择去除性能。按照优化途径,综述了CDI技术选择性去除目标污染物的研究进展,以期为CDI技术选择性去除目标离子的进一步研究提供参考。

Selective removal of harmful ions from wastewater is of great importance for wastewater purification and resource recovery.Capacitive deionization(CDI),as a burgeoning water treatment technology,has unique advantages and broad application prospects in the selective removal of harmful ions.The ion removal selectivity of CDI can be effectively improved through the development of electrode materials,the introduction of ion exchange membranes/resins in CDI and the optimization of CDI operating conditions.According to the optimization pathway,the research progress on selective removal of target pollutants by CDI technology was reviewed,with a view to providing references for further research on the selective removal of target ions by CDI technology.