Transfer behavior of cesium adsorbed on clay minerals in aqueous solution

被引：5

作者：

Okamoto, Yoshihiro ^{[1
]}

Osugi, Takeshi ^{[2
]}

Shiwaku, Hideaki ^{[1
]}

Akabori, Mitsuo ^{[3
]}

机构：

[1] Quantum Beam Science Directorate, Japan Atomic Energy Agency (JAEA), 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo

[2] Nuclear Science Research Institute, Japan Atomic Energy Agency (JAEA), 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki

[3] Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency (JAEA), 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki

来源：

Transactions of the Atomic Energy Society of Japan | 2014年 / 13卷 / 03期

关键词：

Adsorption; Cesium; Clay mineral; Migration; Mixture; Synchrotron radiation; Transfer behavior; X-ray; XAFS;

D O I：

10.3327/taesj.J13.023

中图分类号：

学科分类号：

摘要：

The transfer behavior of cesium adsorbed on some clay minerals in aqueous solution was investigated by X-ray absorption fine structure (XAFS) analysis of the Cs K-edge. The sample was prepared by mixing Cs-adsorbed mineral with a different pure clay mineral in water. The XAFS results of the dried mixture powder were compared with those obtained before mixing. It was recognized from the XAFS analysis for three kinds of clay minerals illite, kaolinite and vermiculite, that cesium was transferred from kaolinite to illite and vermiculite, and from illite to vermiculite. It can be concluded that cesium is transferred to and accumulated in vermiculite. © 2014 Atomic Energy Society of Japan All Rights Reserved.

引用

页码：113 / 118

页数：5

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