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首页> 外文会议>International conference on nuclear engineering;ICONE-16 >CEA PRELIMINARY STUDIES FOR INDUSTRIAL MOx REPROCESSING: FROM LABORATORY RESULTS TO SUCCESSFUL FIRST INDUSTRIAL CAMPAIGN ON UP2-800 AREVA PLANT
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CEA PRELIMINARY STUDIES FOR INDUSTRIAL MOx REPROCESSING: FROM LABORATORY RESULTS TO SUCCESSFUL FIRST INDUSTRIAL CAMPAIGN ON UP2-800 AREVA PLANT

机译：CEA工业废水再处理的初步研究：从实验室结果到成功的UP2-800 AREVA工厂的工业试验

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In November/December 2004, AREVA succeeded in reprocessing for the first time MOX spent fuels with a continuous dissolution process on the UP2-800 plant in La Hague. It was the industrial conclusion of preliminary and extensive studies realized by the CEA teams at the laboratory scale in Atalante facilities.The experiments were realized using MOx fuel obtained by MIMAS process and irradiated in Saint-Laurent des Eaux power reactor. The average burn-ups of the pin samples used for the studies were comprised between 28 GWd/T and 43 GWd/T.As the MOx fuel present a specific behavior versus dissolution due to the presence of PuO_2 clusters, the solubility tests were mainly focused on the Pu behavior as a function of the temperature of dissolution (from 88 °C to boiling point) and the fuel burn-up. The fixed dissolution parameters were the residence time (8 hours), the initial acidity (near 8 M) and the sample size (35 mm).Available results concern dissolution kinetics, plutonium solubility and its distribution in the different flux (insoluble solids, solution).
机译：2004年11月/ 2004年12月，阿海珐集团首次成功在MOX废燃料中进行了后处理，并在拉海牙的UP2-800工厂进行了连续溶解过程。这是CEA团队在Atalante设施的实验室规模进行的初步和广泛研究的工业结论。 实验是使用通过MIMAS工艺获得并在Saint-Laurent des Eaux动力堆中辐照的MOx燃料实现的。用于研究的销钉样品的平均燃耗在28 GWd / T至43 GWd / T之间。 由于由于存在PuO_2团簇，MOx燃料表现出特定的行为而不是溶解，因此溶解度测试主要集中在Pu行为作为溶解温度（从88°C到沸点）和燃料燃烧的函数。向上。固定的溶出参数为停留时间（8小时），初始酸度（接近8 M）和样品大小（35 mm）。 可获得的结果涉及溶解动力学、,的溶解度及其在不同助熔剂（不溶性固体，溶液）中的分布。

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