| 混合式K边界密度计在乏燃料后处理热试验中的应用 |
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| 引用本文： | 何丽霞,许小明,柏磊,刘联伟,李丽. 混合式K边界密度计在乏燃料后处理热试验中的应用[J]. 原子能科学技术, 2017, 51(4): 747-752. DOI: 10.7538/yzk.2017.51.04.0747 |
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| 作者姓名： | 何丽霞 许小明 柏磊 刘联伟 李丽 |
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| 作者单位： | 中国原子能科学研究院 放射化学研究所，北京102413 |
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| 摘 要： | 混合式K边界密度计(HKED)主要用于乏燃料后处理原始料液中U和Pu的浓度分析。本文对HKED的结构组成和特点进行了介绍,根据设施条件和测量对象的特点进行了参数优化及系统校准,将其应用于动力堆乏燃料元件先进无盐二循环Purex工艺流程热试验。结果表明,该装置对1AF料液中U浓度分析的精确度达0.3%。
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| 关 键 词： | 混合式K边界密度计 乏燃料后处理 热试验 系统校准 |
Application of Hybrid K-edge/XRF Densitometer in Spent Fuel Reprocessing Active Test |
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| HE Li-xia,XU Xiao-ming,BAI Lei,LIU Lian-wei,LI Li. Application of Hybrid K-edge/XRF Densitometer in Spent Fuel Reprocessing Active Test[J]. Atomic Energy Science and Technology, 2017, 51(4): 747-752. DOI: 10.7538/yzk.2017.51.04.0747 |
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| Authors: | HE Li-xia XU Xiao-ming BAI Lei LIU Lian-wei LI Li |
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| Affiliation: | China Institute of Atomic Energy, P. O. Box 275-48, Beijing 102413, China |
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| Abstract: | Hybrid K-edge/XRF densitometer (HKED) is widely used for concentration simultaneous analyses of uranium and plutonium in spent fuel dissolution.HKED hardware structure and its characteristics were introduced in this paper.Depending on the site's condition and object's characteristic,the parameters were optimized,and the system was calibrated.HKED was applied in the advanced Purex process based on salt-free regent active test.It is validated that the uranium concentration precision for 1AF samples is up to 0.3％. |
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| Keywords: | hybrid K-edge/XRF densitometer spent fuel reprocessing active test system calibration |
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