Solidification of Spent Ion Exchange Resin Using ASC Cement

被引：0
|
作者：
周耀中
云桂春
叶裕才
机构：
来源：
TsinghuaScienceandTechnology | 2002年 / 06期
关键词：
radioactivity; spent ion exchange resins; cementation; solidification;
D O I：
暂无
中图分类号：
TQ172 [水泥工业];
学科分类号：
0805 ; 080502 ;
摘要：
Ion exchange resins (IERs) have been widely used in nuclear facilities. However, the spent radioactive IERs result in major quantities of low and intermediate level radioactive wastes. This article describes a laboratory experimental study on solidification processing of IERs using a new type of cement named ASC cement. The strength of the cementation matrix is in the range of 1820 MPa (28 d); the loading of the spent IER in the cement-resin matrix is over 45% and leaching rates of 137Cs, 90Sr and 60Co are 7.92×10 -5, 5.7×10 -6, and 1.19×10 -8 cm/d. The results show that ASC cement can be a preferable cementation material for immobilization of radioactive spent IER.
引用
收藏
页码：636 / 640
页数：5
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