Effect of High-temperature VVER-1000 SNF Reprocessing Time on the Extent of Fission Product Removal

IF 0.9 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Radiochemistry Pub Date : 2024-05-16 DOI:10.1134/S1066362224020048

I. N. Skrigan, M. M. Metalidi, R. V. Ismailov, S. V. Shapovalov, A. Yu. Shadrin, D. V. Ryabkov, R. A. Serebryanskikh

引用次数: 0

Abstract

Experiments on high-temperature reprocessing of VVER-1000 SNF with a burnout depth of 47 GW day/t U were carried out in order to determine the dependence of the extent of semi-volatile fission product removal on the time of SNF reprocessing in an oxidizing atmosphere for subsequent optimization of operating modes of this process. It was found that, during high-temperature reprocessing at 1200°С for 8 h, more than 30% of Mo, 90% of Cs, and 100% of Ru and Tc are removed.

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高温 VVER-1000 SNF 后处理时间对裂变产物去除程度的影响

摘要对燃尽深度为 47 GW 天/吨铀的 VVER-1000 SNF 进行了高温后处理试验，以确定半挥发性裂变产物去除程度与在氧化气氛中对 SNF 进行后处理的时间的关系，从而优化该工艺的运行模式。研究发现，在 1200°С 高温后处理 8 小时期间，可去除 30% 以上的 Mo、90% 的 Cs 以及 100% 的 Ru 和 Tc。

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来源期刊

Radiochemistry CHEMISTRY, INORGANIC & NUCLEAR-

CiteScore

1.30

自引率

33.30%

发文量

期刊介绍： Radiochemistry is a journal that covers the theoretical and applied aspects of radiochemistry, including basic nuclear physical properties of radionuclides; chemistry of radioactive elements and their compounds; the occurrence and behavior of natural and artificial radionuclides in the environment; nuclear fuel cycle; radiochemical analysis methods and devices; production and isolation of radionuclides, synthesis of labeled compounds, new applications of radioactive tracers; radiochemical aspects of nuclear medicine; radiation chemistry and after-effects of nuclear transformations.