Investigation of the strontium (Sr(II)) adsorption of 18-crown-6 based polymer

被引：0
作者：
Hongchang Pei
Jianlu Liu
Maowen Yue
Lei Zhang
Hongsen Hui
Zhongfang Li
Hao Liu
机构：
[1] Shandong Haihua Co.,School of Chemistry and Chemical Engineering
[2] Ltd.,Department of Chemical Engineering
[3] Shandong University of Technology,undefined
[4] Tsinghua University,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2023年 / 332卷
关键词：
Strontium; Adsorption; Di(aminobenzo)-18-crown-6; Polymer; Reuse;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The development of efficient and reusable Sr2+ adsorbent materials holds great significance for nuclear energy development and environmental protection. In order to address the low crown ether content in crown ether-based solid-phase adsorbents, this study employed condensation polymerization using di(aminobenzo)-18-crown-6 as monomers to prepare polymer materials and porous membranes. The adsorption kinetics, adsorption isotherm, and recyclability of the crown ether-based polymer were comprehensively investigated for Sr2+ adsorption. The results showed that the adsorption behavior of the polymer towards Sr2+ followed a pseudo-first-order kinetic model and Langmuir adsorption model, with a maximum adsorption capacity of 4.6 mg/g. Furthermore, even after five cycles, the adsorption performance of the polymer material for Sr2+ showed no significant decline. This study provides a new perspective for the development of long-lasting and highly efficient Sr2+ adsorbent materials.
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页码：5051 / 5057
页数：6
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