摘要
蒙脱石具有二维状的纳米片层结构,层与层之间通过较弱的相互作用力结合在一起。蒙脱石本身带负电荷,为了保持电荷平衡性,蒙脱石层与层之间具有极强的阳离子吸附能力,被吸附的阳离子也容易与其它金属元素发生交换反应。因此,根据其阳离子能置换的特性,综述了铁元素改性蒙脱石作为一种新型的多孔材料的制备方法、性能,及其在环保材料领域的应用前景,总结了其在有机污染物和无机污染物控制领域的研究进展,并提出制备具有稳定磁性的纳米铁基柱撑蒙脱石的新思路。
Montmorillonite is a typical clay mineral,and one layer slightly interacted with the other one.It carries negative charge,and has two-dimensional layered and exchanged interlayer cations for balance.Furthermore,Fe pillared montmorillonite has been widely considered as a new type of porous material,which could be friendly applied in materials for environmental protection.Therefore,the paper according to its cation exchange capacity,focused on the preparation of Fe based pillared montmorillonite preparation methods,characterization and the performance and application in inorganic and organic pollutants control.Finally,it is proposed that the new direction for preparation of Fe pillared montmorillonite.
作者
孟祥天
顾正桂
吴仕希
奚凯
李晓宁
张银萍
张杰
MENG Xiang-tian;GU Zheng-gui;WU Shi-xi;XI Kai;LI Xiao-ning;ZHANG Yin-ping;ZHANG Jie(School of Chemistry and Materials Science,Nanjing Normal University,Nanjing 210000,China;Analysis and Testing Center,Nanjing Normal University,Nanjing 210000,China)
出处
《应用化工》
CAS
CSCD
北大核心
2020年第12期3213-3217,3245,共6页
Applied Chemical Industry
基金
国家自然科学基金青年基金项目(41501239)。
关键词
铁基柱撑蒙脱石
污染物控制
吸附
iron based pillared montmorillonite
pollutants control
adsorption
