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Reduced Enrichment for Research and Test Reactors
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Abstracts and Available Papers Presented at the
2002 International RERTR Meeting

NEUTRONIC ANALYSIS FOR THE FISSION MO PRODUCTION USING LEU TARGET AT HANARO

Byung-Chul Lee and Heonil Kim
Korea Atomic Energy Research Institute
P.O. Box 105
Yusung, Taejon, 305-353, Korea

ABSTRACT

Study on the use of low-enriched uranium for the fission Mo production at HANARO has been performed. Using U metal foil and UO2 as a target material, the target geometry of low-enriched uranium is specified in consideration of the irradiation hole size and the producible amount of Mo-99 activity. The thickness and length of target are decided to be in the range of 80~100mm and 10~20cm, respectively. The target reactivity is calculated for various conditions of the control absorber rods, the target and the irradiation hole. As a result, it is estimated to be negligible compared with the reactivity limit of 12.5mk. The fission power generated at the target is calculated to 26~37kW at the reactor power of 30MW. With the target power, Mo-99 activity that can be produced from the target, is calculated using the ORIGEN2 code. Assuming 5 days irradiation, 1 day cooling and 1 day processing, the Mo-99 activity in a 6-day reference is estimated at 100~141Ci/week.


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Contact:
Dr. Byung Chul Lee

HANARO, Principal Researcher
Korea Atomic Energy Research Institute
P.O. Box 105, Yuseong
Daejeon, 305-600 Korea
Phone: (82 42) 868 8489
Fax: (82 42) 868 8341
E-mail: bclee2@kaeri.re.kr

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Last modified on July 29, 2008 11:33 +0200