现代化工

现代化工 ›› 2024, Vol. 44 ›› Issue (S2) : 29-33. DOI: 10.16606/j.cnki.issn0253-4320.2024.S2.006

技术进展

电容去离子技术选择性分离盐及重金属离子研究进展

王方贤, 柴文翠, 张梦杰, 车楠楠

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Research progress in selective separation of salt and heavy metal ions by capacitive deionization technology

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摘要

基于电容去离子(CDI)技术的发展总结了不同价态盐离子和重金属离子的选择性分离研究进展,并重点从离子的物理尺寸效应、电极材料的选择性吸附、离子交换作用3个方面总结了CDI技术进行离子选择性分离的机制。

Abstract

According to the development of capacitive deionization (CDI) technology,the research progress on selective separation of salt ions and heavy-metal ions with different valences using CDI technology are summarized.The mechanism for selective separation of these ions by CDI technology are analyzed from three aspects including physical size effect of ions,selective adsorption of electrode materials,and ion exchange interaction.