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Journal

2014 | 59 | 4 | 123-128

Article title

Influence of alpha and gamma radiolysis on Pu retention in the solvent TBP/kerosene

Content

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Languages of publication

EN

Abstracts

EN
In light of the issue of radiolysis of the solvent system in PUREX process, alpha and gamma radiation stability of tributyl phosphate (TBP)/kerosene (OK) have been studied in this paper, in which 238Pu dissolved in the organic phase and 60Co are selected as alpha and gamma irradiation sources, respectively. The amount of the degradation products not easily removed after the washing process has been measured by the plutonium retention. The effects of the absorbed dose, the TBP volume fraction, the cumulative absorbed dose and the presence of UO2 2+ and Zr4+ on the radiolysis of the solvents have been investigated. The results have indicated that the Pu retention increases with the increase of the absorbed dose after alpha or gamma irradiation, and is larger for the solvent containing less TBP. There is competition between UO2 2+ and Pu4+ to complex with the degradation products, and Zr4+ accelerates the radiolysis of the system.

Publisher

Journal

Year

Volume

59

Issue

4

Pages

123-128

Physical description

Dates

published
1 - 12 - 2014
accepted
23 - 10 - 2014
received
24 - 5 - 2014
online
30 - 12 - 2014

Contributors

author
  • Fundamental Science on Nuclear Safety and Simulation Technology Laboratory, Harbin Engineering University, Harbin, Heilongjiang Province, China, 150001 and Institute of Radiochemistry, China Institute of Atomic Energy, Beijing, China, 102413, Tel.: +86 451 8251 8913, Fax: +86 451 8251 8400
author
  • Institute of Radiochemistry, China Institute of Atomic Energy, Beijing, China, 102413
author
  • Fundamental Science on Nuclear Safety and Simulation Technology Laboratory, Harbin Engineering University, Harbin, Heilongjiang Province, China, 150001
author
  • Fundamental Science on Nuclear Safety and Simulation Technology Laboratory, Harbin Engineering University, Harbin, Heilongjiang Province, China, 150001

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_nuka-2014-0024
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