Adsorptive removal of Eu(III) from simulated groundwater by GMZ bentonite on the repository conditions

被引：43
作者：
Chen, Yong-Gui [1 ]
Sun, Zhao [1 ]
Ye, Wei-Min [1 ]
Cui, Yu-Jun [2 ]
机构：
[1] Tongji Univ, Minist Educ, Dept Geotech Engn, Key Lab Geotech & Underground Engn, Shanghai 200092, Peoples R China
[2] Paris Tech, Ecole Ponts, CERMES, Lab Navier, 6-8 Av Blaise Pascal,Cite Descartes, F-77455 Marne La Vallee, France
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2017年 / 311卷 / 03期
基金：
中国国家自然科学基金;
关键词：
High-level radioactive waste; Repository; GMZ bentonite; Groundwater; Eu(III); Adsorption; IONIC-STRENGTH; MX-80; BENTONITE; AQUEOUS-SOLUTIONS; FOREIGN IONS; HUMIC-ACID; SORPTION; PH; BATCH; KNOWLEDGE; BEHAVIOR;
D O I：
10.1007/s10967-017-5173-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
This study investigated the adsorption of Eu(III) from simulated Beishan groundwater onto Gaomiaozi bentontie. The effects of shaking time, temperature, concentration of the adsorbent, pH value and concentration of Eu(III) were analyzed. Results showed that the adsorption could reach the equilibrium at 45 min and the maximum adsorption capacity can get to 4.52 mg/g. The optimum pH was observed above 8.5 at temperature 298 K; the adsorption capability increased with the pH value increasing from 2 to 12, which are expected to occur in the near field of Chinese repository. The adsorption process could be described with the Freundlich isotherm.
引用
收藏
页码：1839 / 1847
页数：9
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