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A Study on the Fabrication of Uranium-Cadmium Alloy and its Distillation Behavior  

Kim, Ji-Yong (University of Science and Technology)
Ahn, Do-Hee (Korea Atomic Energy Research Institute)
Kim, Kwang-Rag (Korea Atomic Energy Research Institute)
Paek, Seung-Woo (Korea Atomic Energy Research Institute)
Kim, Si-Hyung (Korea Atomic Energy Research Institute)
Publication Information
Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT) / v.8, no.4, 2010 , pp. 261-267 More about this Journal
Abstract
The pyrometallurgical nuclear fuel recycle process, called pyroprocessing, has been known as a promising nuclear fuel recycling technology. Pyroprocessing technology is crucial to advanced nuclear systems due to increased nuclear proliferation resistance and economic efficiency. The basic concept of pyroprocessing is group actinide recovery, which enhances the nuclear proliferation resistance significantly. One of the key steps in pyroprocessing is "electrowinning" which recovers group actinides with lanthanide from the spent nuclear fuels. In this study, a vertical cadmium distiller was manufactured. The evaporation rate of pure cadmium in vertical cadmium distiller varied from 12.3 to $40.8g/cm^2/h$ within a temperature range of 773 923 K and pressure below 0.01 torr. Uranium - cadmium alloy was fabricated by electrolysis using liquid cadmium cathode in a high purity argon atmosphere glove box. The distillation behavior of pure cadmium and cadmium in uranium - cadmium alloy was investigated. The distillation behavior of cadmium from this study could be used to develop an actinide recovery process from a liquid cadmium cathode in a cadmium distiller.
Keywords
Pyroprocessing; Electrowinning; Evaporation rate; Uranium-Cadmium alloy; Distillation behavior;
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Times Cited By KSCI : 2  (Citation Analysis)
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