Adsorption of uranium(VI) from aqueous solution by phosphorylated luffa rattan activated carbon

被引：39
作者：
Zhang, Yanan [1 ,2 ]
Ye, Tianzhen [1 ,2 ]
Wang, Yun [1 ]
Zhou, Limin [1 ,2 ]
Liu, Zhirong [1 ,2 ]
机构：
[1] East China Univ Technol, State Key Lab Nucl Resources & Environm, Nanchang 330013, Jiangxi, Peoples R China
[2] East China Univ Technol, Sch Chem Biol & Mat Sci, Nanchang 330013, Jiangxi, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2021年 / 327卷 / 03期
关键词：
Uranium(VI) adsorption; Activated carbon; Functionalization; Agricultural waste;
D O I：
10.1007/s10967-020-07592-w
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Phosphorylated activated carbon was prepared from silk gourd loofah rattan by phosphoric acid modification. The effect of pH value, original content of uranyl ions, time and temperature on the adsorption of uranium by phosphorylated activated carbon were studied by static experiments. In this paper, the adsorption process was analyzed by thermodynamics, kinetics and isotherm model. The adsorbent was characterized using infrared spectroscopy and scanning electron microscopy. The results showed that the pH of the solution can significantly affect the adsorption performance and the pH value of the best adsorption was 5.0. The adsorption equilibrium time was about 240 min and when the adsorption quantity was 197 mg/g, it reaches the summit, and the pseudo-second-order equation and Langmuir equation were more suitable to describe the adsorption process.
引用
收藏
页码：1267 / 1275
页数：9
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