Sorption–desorption hysteresis of uranium(VI) on/from GMZ bentonite

被引：0
|
作者：
Shicheng Li
Xiaoli Wang
Zhaoya Huang
Liang Du
Dong Zhang
Zhaoyi Tan
Yibei Fu
Xiaolin Wang
机构：
[1] Institute of Nuclear Physics and Chemistry,
[2] China Academy of Engineering Physics,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2016年 / 310卷
关键词：
Uranium (VI); Sorption; Desorption; Hysteresis; GMZ bentontie;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this study, we examined the sorption and desorption behavior of U(VI) on/from a Chinese bentonite in the solid–liquid system using batch experiments, and the influence of pH, ionic strength and humic acid (HA) on the sorption–desorption hysteresis in the solid–liquid system were quantitatively calculated. It was revealed that the hysteresis was enhanced with increasing pH and increasing ionic strength. HA promoted the sorption, but lower the sorption–desorption hysteresis. Meanwhile, hysteresis in ternary bentonite-HA-U system was found to be higher than that in bentonite-U-HA system, indicating different sorption structures formed because of different addition sequence.
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页码：671 / 678
页数：7
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