摘要
离子印迹技术是对目标离子具有选择性分离的一种技术,具有高度预定性、识别性、稳定性及实用性等优点。采用离子印迹技术所制得离子印迹材料具有工艺简单、操作简便、稳定性好及选择性高的特点。为满足锂资源使用的需求,可将离子印迹材料用于成分复杂的含锂水样中锂资源的开发与利用。本文简要介绍了离子印迹材料的特点及其制备原理,针对Li^+印迹材料制备体系的主要组成部分进行了概述,并综述了Li^+印迹材料的研究进展,重点阐述了新型Li^+印迹材料的研究现状。目前,新型Li^+印迹材料主要是采用表面离子印迹聚合法结合吸附柱、磁分离、膜分离等新技术制备而得,可以提高对锂的识别选择性并方便吸附后的分离回收操作。最后,本文提出了Li^+印迹材料在制备和应用过程中存在的问题,并展望了其未来的发展方向和应用前景。
Ion-imprinting technology endows with the selective separation for target ions,which has the advantages of high predeterminability,recognition,stability and practicality.The ion-imprinted materials obtained by the ion imprinting technology have the characteristics of simple process,easy operation,good stability and high selectivity.In order to meet the needs of lithium resources,ion-imprinted materials have been used for the development and utilization of lithium resources in water samples with complex compositions.In this article,the characteristics of ion-imprinted materials and their preparation principles were briefly introduced,and the main components of Li^+-imprinted material preparation systems were summarized.Furthermore,the research progress of Li^+-imprinted materials was reviewed with emphasis on the current research status of advanced Li^+-imprinted materials.At present,advanced Li^+-imprinted materials are mainly prepared by surface ion imprinting polymerization combining with new technologies,such as adsorption columns,magnetic separation,and membrane separation,to enhance selective recognition for lithium and simplify separation and recovery operations.Finally,the problems in the preparation and application of Li^+-imprinted materials are proposed,and their future development and application prospects were prospected.
作者
梁琦
赵宏
刘伟峰
张二辉
闫光
杨永珍
刘旭光
LIANG Qi;ZHAO Hong;LIU Wei-feng;ZHANG Er-hui;YAN Guang;YANG Yong-zhen;LIU Xu-guang(Key Laboratory of Interface Science and Engineering in Advanced Materials(Ministry of Education),Taiyuan University of Technology,Taiyuan 030024,China;Institute of New Carbon Materials,Taiyuan University of Technology,Jinzhong 030600,Shanxi,China;College of Chemistry and Chemical Engineering,Taiyuan University of Technology,Taiyuan 030024,China)
出处
《材料工程》
EI
CAS
CSCD
北大核心
2020年第10期39-47,共9页
Journal of Materials Engineering
基金
科技部国家重点研发计划(2017YFB0603104)
国家自然科学基金(U1607120,U1610255,51603142)
山西省重点研发计划国际合作项目(201903D421077)。
关键词
离子印迹技术
LI^+
印迹材料
ion imprinting technology
Li^+
imprinted material
