Development of a practical decontamination procedure for uranium-contaminated concrete waste

被引：9
|
作者：
Kim, Seung-Soo [1 ]
Kim, Gye-Nam [1 ]
Park, Uk-Ryang [1 ]
Moon, Jei-Kwon [1 ]
机构：
[1] Korea Atom Energy Res Inst, Decontaminat & Decommissioning Res Div, Taejon 305353, South Korea
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2014年 / 302卷 / 01期
关键词：
Radioactive waste; Decontamination; Uranium; Concrete; Self-disposal; REMEDIATION;
D O I：
10.1007/s10967-014-3178-y
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Practical decontamination procedure and equipments have been developed to decontaminate uranium-contaminated concrete waste generated from a uranium conversion plant. The direct burning of mortar block coated with epoxy and then the mechanical removal of the burned surface reduces the amount of sludge by preventing the dissolution of whole cement paste in concrete block. And the removal of calcium from the concrete washing solution for the use of electrokinetic equipment decreases the volume of waste by a recycling of the solution. This improved decontamination procedure makes more than 70 % of concrete waste be self-disposed and remarkably reduces secondary radioactive waste.
引用
收藏
页码：611 / 616
页数：6
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