α-磷酸锆插层复合材料制备及其对Cs^+吸附性能的研究  

Preparation of α-ZrP composite for adsorption of Cs^+ from aqueous solution

作　　者：顾君阳 杜申圳 余钱红[1] 牟婉君[1] GU Jun-yang;DU Shen-zhen;YU Qian-hong;MU Wan-jun(Institute of Nuclear Physics and Chemistry,China Academy of Engineering Physics,Mianyang,621900,China)

机构地区：[1]中国工程物理研究院核物理与化学研究所,四川绵阳621900

出　　处：《化学研究与应用》2020年第6期1067-1071,共5页Chemical Research and Application

摘　　要：文中采用预撑插层的方法成功的将大环化合物二苯并-21-冠-7引入α-磷酸锆(α-ZrP)材料进行预插层,获得新型二苯并-21-冠-7插层α-ZrP复合材料。由于二苯并-21-冠-7插入显著提高了α-ZrP材料对Cs^+的吸附容量,其最大可达298.2mg·g^-1,远优于未插层的α-ZrP材料(64.1mg·g^-1)。本实验的开展为新型吸附材料设计与制备提供了新的思路和线索。In this paper,a new composite was prepared by intercalating dibenzo-21-crown-7 into α-ZrP via a pre-intercalation way.The α-ZrP composite possessed the better stability under acidic condition,showed the excellent ability for removal of Cs^+form aqueous solution.Compared with the initial ZrP,ZrP composite exhibited the higher adsorption capacity and better selectivity for capturing of Cs^+ions due to interaction of the dibenzo-21-crown-7 that provided much more adsorption sites for Cs^+,and the maximum adsorption capacity is 298.2 mg·g^-1.In addition,increase of temperature is favor to the Cs^+adsorption on the ZrP composite.Our work posed a new way for designing and preparation for new adsorption materials.

关 键 词：二苯并-21-冠-7 Α-磷酸锆 铯 吸附 插层 

分 类 号：O614.41[理学—无机化学]