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논문 기본 정보

자료유형
학술저널
저자정보
이승곤 (한국원자력연구원) Gerd J. Beyer (Grunicke Straße) 이준식 (한국원자력연구원)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제48권 제3호
발행연도
2016.6
수록면
613 - 623 (11page)

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Molybdenum-99 (99Mo) is the most important isotope because its daughter isotope,technetium-99m (99mTc), has been the most widely used medical radioisotope for morethan 50 years, accounting for > 80% of total nuclear diagnostics worldwide. In this review,radiochemical routes for the production of 99Mo, and the aspects for selecting a suitableprocess strategy are discussed from the historical viewpoint of 99Mo technology developments. Most of the industrial-scale 99Mo processes have been based on the fission of235U. Recently, important issues have been raised for the conversion of fission 99Mo targetsfrom highly enriched uranium to low enriched uranium (LEU). The development of newLEU targets with higher density was requested to compensate for the loss of 99Mo yield,caused by a significant reduction of 235U enrichment, from the conversion. As the dramaticincrement of intermediate level liquid waste is also expected from the conversion, aneffective strategy to reduce the waste generation from the fission 99Mo production isrequired. The mitigation of radioxenon emission from medical radioisotope productionfacilities is discussed in relation with the monitoring of nuclear explosions and comprehensivenuclear test ban. Lastly, the 99Mo production process paired with the Korea AtomicEnergy Research Institute's own LEU target is proposed as one of the most suitable processesfor the LEU target.

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