Synthesis and characterization of pyridyl anion exchange resin for 99Tc removal

被引：11
|
作者：
Zu, Jianhua [1 ]
Fu, Lingxiao [1 ]
Tang, Fangdong [2 ]
He, Linfeng [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, Shanghai 200240, Peoples R China
[2] Shanghai Inst Measurement & Testing Technol, Shanghai 201203, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2019年 / 321卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Chloroacetylation; Strong base anion exchange resin; Rhenium; Tc-99; Adsorption; PERTECHNETATE; SORPTION;
D O I：
10.1007/s10967-019-06584-9
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new pyridyl anion exchange resin (PS-N) was synthesized by chloroacetylation and quaternization on the polystyrene-divinylbenzene microspheres (PS) and was characterized by FT-IR, TGA, and X-ray photoelectron spectroscopy. PS-N was applied to study the removal of Re(VII), a chemical analogue of Tc-99, to investigate the effect of solution acidity, resin dose and contact time on the adsorption efficiency. The adsorption process corresponded with the Langmuir isotherm model and matches well with pseudo-second-order kinetics. Based on the adsorption results of Re(VII), the adsorption efficiency of Tc-99 was examined to be 99.5% at optimum conditions.
引用
收藏
页码：235 / 242
页数：8
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