Investigation on migration of Uranium in solidified materials

BAI Yun1 SHUAI Zhenqing2 ZHU Xiaohong1 YANG Guangwen1 LIAO Junsheng1 1

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Investigation on migration of Uranium in solidified materials

更新时间：2021-03-05

- Investigation on migration of Uranium in solidified materials
- NUCLEAR TECHNIQUES Vol. 34, Issue 11, (2011)
- 作者机构：
  
  1. 中国工程物理研究院
  2. 四川省辐射环境管理监测中心站
- 作者简介：
- 基金信息：
- DOI：
  CLC： X591;TL211
- Published：01 November 2011
- 稿件说明：
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[1]柏云,帅震清,朱晓红,杨光文,廖俊生.铀在固体介质中的扩散行为研究[J].核技术,2011,34(11):842-844.

BAI Yun1 SHUAI Zhenqing2 ZHU Xiaohong1 YANG Guangwen1 LIAO Junsheng1 1. Investigation on migration of Uranium in solidified materials[J]. Nuclear techniques, 2011, 34(11): 842-844.
[1]柏云,帅震清,朱晓红,杨光文,廖俊生.铀在固体介质中的扩散行为研究[J].核技术,2011,34(11):842-844. DOI：

BAI Yun1 SHUAI Zhenqing2 ZHU Xiaohong1 YANG Guangwen1 LIAO Junsheng1 1. Investigation on migration of Uranium in solidified materials[J]. Nuclear techniques, 2011, 34(11): 842-844. DOI：

摘要

研究了放射性核素铀在土壤和水泥中的迁移扩散行为

以及某已关闭放射性分析实验室厂房附近地表土和水泥地面污染情况。采用柱迁移实验研究了核素铀在土壤和水泥样品的柱分配系数Kd和滞留系数Rd。结果表明

铀在土壤中的分配系数大于水泥样品中。环境土壤和水泥样品的比活度测量结果与该地区环境土壤本底值基本一致

随着样品取样深度的增加U-235的比活度测量结果变化不明显。

Abstract

The sorption and migration behaviors of uranium in soils and cement were studied by column test.The results show that the sorption ratio of soil is bigger than that of cement.Specific radioactivity of 235U in the soil and cement samples is basically the same as that of environmental soil

and specific radioactivity of 235U varies little with the sampling depth.The results should provide valuable information to nuclear facility decommissioning.

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