后处理厂气态流出物中I-129监测技术现状研究

摘要/Abstract

摘要： 乏燃料后处理厂在后处理过程中会产生大量放射性气体,对后处理厂气态流出物中I-129的主要形态展开调研,总结了目前放射性碘所用的监测方法,通过对比其优缺点,分析适用于后处理厂气态流出物中I-129的在线监测方法。并得出建立后处理厂气态流出物中I-129在线监测是可行的结论,可以尝试建立基于ICP-MS的后处理厂气态流出物中I-129在线监测技术,对后处理厂气态流出物中的气态碘分子进行监测,从而实现对后处理厂气态流出物中I-129的实时监测。

关键词: 乏燃料后处理, 气态流出物, I-129, 在线监测, ICP-MS

Abstract: A large amount of radioactive gas is generated during the reprocessing process in spent fuel reprocessing plants. The main forms of I-129 in the gaseous effluent of the reprocessing plants were investigated, and the current monitoring methods for radioactive iodine were summarized. By comparing their advantages and disadvantages, the online monitoring methods suitable for I-129 in the gaseous effluent of reprocessing plants were analyzed. And it is feasible to establish online monitoring technology for I-129 in the gaseous effluent in reprocessing plants. An ICP-MS based online monitoring technology for I-129 in the gaseous effluent in reprocessing plants could be established for experiemnt purpose, with the aim to monitoring the gaseous iodine molecules in the gaseous effluent in reprocessing plants, thereby achieving real-time monitoring of I-129 in the gaseous effluent in reprocessing plants.

Key words: spent fuel reprocessing, gaseous effluents, I-129, online monitoring, ICP-MS

中图分类号:

TL75+1

蔺一博, 骆志平, 庞洪超, 汪传高, 陈然. 后处理厂气态流出物中I-129监测技术现状研究[J]. 辐射防护, 2023, 43(5): 422-430.

LIN Yibo, LUO Zhiping, PANG Hongchao, WANG Chuangao, CHEN Ran. Study on the status of I-129 monitoring technology for gaseous effluent in reprocessing plant[J]. RADIATION PROTECTION, 2023, 43(5): 422-430.

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