Evaluation of promethium-147 production as a by-product of the fission molybdenum-99 process in Tehran research reactor
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Seyed Ehsan Hosseini
und
Simindokht Shirvani-Arani
Abstract
Molybdenum-99 and some other fission products such as promethium-147 are formed by the fission of 235U. Applying an efficient separation approach, the 147Pm can be isolated. The production of 147Pm as a by-product of previously optimized conditions for fission molybdenum-99 process is precisely evaluated. Considering the numerous radionuclides with various half-lives accompanying the 147Pm as impurities, a precise time window can be determined to perform an efficient separation process. The fission products activity calculations, using MCNPX and ORIGEN2.1 computer codes, were performed to achieve such a proper time window. Here, it is shown that 300 days after the end of bombardment (EOB), the radioactivity of the other radionuclides is reduced to 1% of 147Pm radioactivity. The chemical process needed to separate the remaining radionuclides is then explained in detail.
Funding source: Nuclear Science and Technology Research Institute (NSTRI)
Acknowledgments
Ms. Marzieh Ebrahimkhani’s assistance is gratefully acknowledged.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: This work was supported through the grant provided by the Nuclear Science and Technology Research Institute (NSTRI).
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2020 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Original Papers
- Revisiting cross sections for proton induced reactions on natural lead between 10 and 80 MeV
- The influence of chemical parameters on the in-situ metal carbonyl complex formation studied with the fast on-line reaction apparatus (FORA)
- The influence of physical parameters on the in-situ metal carbonyl complex formation studied with the Fast On-line Reaction Apparatus (FORA)
- Study on the continuous precipitation of U(IV) oxalate in a vortex precipitator
- Evaluation of promethium-147 production as a by-product of the fission molybdenum-99 process in Tehran research reactor
- Uncertainty propagation in Pu isotopic composition calculation by gamma spectrometry: theory versus experiment
- Distribution and behavior of fission product 95Nb in FLiBe salt
- Chemical effect on muonic atom formation through muon transfer reaction in benzene and cyclohexane samples
Artikel in diesem Heft
- Frontmatter
- Original Papers
- Revisiting cross sections for proton induced reactions on natural lead between 10 and 80 MeV
- The influence of chemical parameters on the in-situ metal carbonyl complex formation studied with the fast on-line reaction apparatus (FORA)
- The influence of physical parameters on the in-situ metal carbonyl complex formation studied with the Fast On-line Reaction Apparatus (FORA)
- Study on the continuous precipitation of U(IV) oxalate in a vortex precipitator
- Evaluation of promethium-147 production as a by-product of the fission molybdenum-99 process in Tehran research reactor
- Uncertainty propagation in Pu isotopic composition calculation by gamma spectrometry: theory versus experiment
- Distribution and behavior of fission product 95Nb in FLiBe salt
- Chemical effect on muonic atom formation through muon transfer reaction in benzene and cyclohexane samples
