Conversion of Uranium Oxide into Nitrate with Nitrogen Dioxide
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概要
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In order to decrease the amount of aqueous liquid waste discharged from nuclear fuel reprocessing, the conversion of uranium dioxide into its nitrate using liquefied nitrogen dioxide was studied. Uranium dioxide powder was immersed in liquefied nitrogen dioxide at 313 K after a pretreatment by the oxidation of the uranium dioxide with nitrogen dioxide and air at 523 K. Seventy-nine % of the uranium dioxide, whose initial feed amount was 0.3 g, was converted into a water soluble compound. Based on an XRD analysis of the compound, uranyl nitrate trihydrate (UO2(NO3)2·3H2O) was confirmed.
- 一般社団法人 日本機械学会の論文
著者
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Hirabayashi Daisuke
Nagoya University
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SAWADA Kayo
Nagoya University
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ENOKIDA Youichi
Nagoya University
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YAMAMOTO Ichiro
Nagoya University
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