Synthesis and application of sulfonated graphene oxide for the adsorption of uranium(VI) from aqueous solutions

被引：0
|
作者：
Zhi-bin Zhang
Yan-fang Qiu
Ying Dai
Pan-feng Wang
Bao Gao
Zhi-ming Dong
Xiao-hong Cao
Yun-hai Liu
Zhang-gao Le
机构：
[1] East China Institute of Technology,Fundamental Science on Radioactive Geology and Exploration Technology Laboratory
[2] Ministry of Education,Engineering Research Center of Nuclear Technology Application (East China Institute of Technology)
[3] East China Institute of Technology,State Key Laboratory Breeding Base of Nuclear Resources and Environment
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2016年 / 310卷
关键词：
Adsorption; Uranium(VI); Graphene oxide; Sulfonic acid groups;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this article, we report a facile one-pot method to prepare sulfonated graphene oxide (GOS) via vapor–solid transfer reaction of graphene oxide (GO). The synthesized GOS were characterized and investigated as an adsorbent for the adsorption of U(VI) from aqueous solutions. The results indicated that the adsorption of U(VI) was strongly dependent on pH and independent of ionic strength. The adsorption process followed the pseudo-second-order kinetics and the adsorption isotherm agreed well with the Langmuir model, having a maximum adsorption capacity of 309.09 mg g−1. Thermodynamic parameters indicated that the adsorption reaction was an endothermic and spontaneous process.
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页码：547 / 557
页数：10
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