Fission-Produced 99Mo Without a Nuclear Reactor

被引：9

作者：

Youker, Amanda J. ^{[1
]}

Chemerisov, Sergey D. ^{[1
]}

Tkac, Peter ^{[1
]}

Kalensky, Michael ^{[1
]}

Heltemes, Thad A. ^{[1
]}

Rotsch, David A. ^{[1
]}

Vandegrift, George F. ^{[1
]}

Krebs, John F. ^{[1
]}

Makarashvili, Vakho ^{[1
]}

Stepinski, Dominique C. ^{[1
]}

机构：

[1] Argonne Natl Lab, Nucl Engn Div, Bldg 205,9700 S Cass Ave, Argonne, IL 60439 USA

来源：

JOURNAL OF NUCLEAR MEDICINE | 2017年 / 58卷 / 03期

关键词：

Mo-99; fission; accelerator;

D O I：

10.2967/jnumed.116.181040

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Mo-99, the parent of the widely used medical isotope (99)mTc, is currently produced by irradiation of enriched uranium in nuclear reactors. The supply of this isotope is encumbered by the aging of these reactors and concerns about international transportation and nuclear proliferation. Methods: We report results for the production of Mo-99 from the accelerator-driven subcritical fission of an aqueous solution containing low enriched uranium. The predominately fast neutrons generated by impinging high-energy electrons onto a tantalum convertor are moderated to thermal energies to increase fission processes. The separation, recovery, and purification of Mo-99 were demonstrated using a recycled uranyl sulfate solution. Conclusion: The Mo-99 yield and purity were found to be unaffected by reuse of the previously irradiated and processed uranyl sulfate solution. Results from a 51.8-GBq Mo-99 production run are presented.

引用

页码：514 / 517

页数：4

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