A review of the kinetics of oxidation and reduction of sale-free reagents in the U/Pu separation process

LI Sa1 GAO Yaobin2 OUYANG Yinggen1 1

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A review of the kinetics of oxidation and reduction of sale-free reagents in the U/Pu separation process

更新时间：2021-03-05

- A review of the kinetics of oxidation and reduction of sale-free reagents in the U/Pu separation process
- NUCLEAR TECHNIQUES Vol. 35, Issue 12, (2012)
- 作者机构：
  
  1. 中国原子能科学研究院
  2. 中核四O四有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL241
- Published：01 December 2012
- 稿件说明：
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[1]李飒,高耀斌,欧阳应根.铀/钚分离过程中无盐试剂的氧化还原动力学研究进展[J].核技术,2012,35(12):929-935.

LI Sa1 GAO Yaobin2 OUYANG Yinggen1 1. A review of the kinetics of oxidation and reduction of sale-free reagents in the U/Pu separation process[J]. Nuclear techniques, 2012, 35(12): 929-935.
[1]李飒,高耀斌,欧阳应根.铀/钚分离过程中无盐试剂的氧化还原动力学研究进展[J].核技术,2012,35(12):929-935. DOI：

LI Sa1 GAO Yaobin2 OUYANG Yinggen1 1. A review of the kinetics of oxidation and reduction of sale-free reagents in the U/Pu separation process[J]. Nuclear techniques, 2012, 35(12): 929-935. DOI：

摘要

总结了铀/钚分离过程中应用的无盐试剂

包括羟胺及衍生物、四价铀、醛衍生物、肼、脲衍生物和氧肟酸等

总结了这些试剂作为铀/钚分离过程中四价钚的还原剂的动力学和热力学性能基础上

对相关试剂在Purex流程中的工业应用前景进行了分析

认为新型络合还原剂乙异羟肟酸和氨基羟基脲应用于铀中低浓钚的分离有良好的应用前景。

Abstract

Background: Recently

the most reductant widely used to partition plutonium from uranium in the Purex solvent extraction purification process have been salt-free reagents.Purpose: In order to determine the utility of sale-free reagents in the Purex solvent extraction process.Methods: The report is a review of the applications of sale-free reagents in the U/Pu separation process

such as hydroxylamine derivative

U(IV)

aldehyde derivative

hydrazine

hydroxyl carbamide

derivative

hydroxamic acid and so on.Results: In this review

we have investigated and summarized the previous works covering the thermodynamics and dynamics behaviors to offer references for the future R&D works on the capability of salt-free reagents in the PUREX process and to indicate its applications.Conclusions: Acetohydroxamic acid and hydroxysemicarbazide have the capability of stripping trace amount plutonium of uranium in the future industrialization.

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Related Institution

Department of Radiochemistry, China Institute of Atomic Energy

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上海科技大学

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