一甲基肼对硝酸溶液中 N,N-二乙基羟胺的 γ 射线辐射分解和辐射分解副产物的影响

IF 1.5 3区化学 Q3 CHEMISTRY, ANALYTICAL

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2024-08-14 DOI:10.1007/s10967-024-09661-w

Zhu Li, Jinhua Wang, Ying Wan, Zhen Li, Weifang Zheng, Hui He

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引用次数: 0

摘要

N,N-二乙基羟胺（DEHA）是一种新型无盐还原剂，可用于核电站辐照燃料后处理中的钚铀分离。本文介绍了一甲基肼（MMH）对 DEHA-HNO3 溶液的γ射线辐射分解的影响。MMH 能有效增强 DEHA 的抗辐射稳定性，主要的辐射产物为 H2、CH4、CH3CHO、CH3COOH 和 HNO2。H2、CH4、CH3CHO 和 CH3COOH 的含量随剂量的增加而增加。H2、CH4 和 CH3CHO 的含量随 MMH 浓度的增加而增加，但当 MMH 浓度增加时，CH3COOH 的浓度则会降低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Effect of monomethylhydrazine on γ-rays radiolysis and radiolytic by-products of N,N-diethylhydroxylamine in nitric acid solution

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Effect of monomethylhydrazine on γ-rays radiolysis and radiolytic by-products of N,N-diethylhydroxylamine in nitric acid solution

N,N-diethylhydroxylamine (DEHA) is a new salt-free reducing agent applied in the separation of Pu from U in the reprocessing of irradiated fuel from nuclear power plants. The effect of monomethylhydrazine (MMH) on the γ-rays radiolysis of DEHA-HNO₃ solution is presented in this paper. MMH can effectively enhance DEHA stability against radiation, and the main radiolytic products are H₂, CH₄, CH₃CHO, CH₃COOH and HNO₂. The content of H₂, CH₄, CH₃CHO and CH₃COOH is raised with the dose. The amount of H₂, CH₄ and CH₃CHO enhances with the MMH concentration, but CH₃COOH concentration is reduced when MMH concentration is raised.

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来源期刊

Journal of Radioanalytical and Nuclear Chemistry 化学-分析化学

CiteScore

2.80

自引率

18.80%

发文量

504

审稿时长

2.2 months

期刊介绍： An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.