Combined reprocessing of weapons plutonium into high-purity oxide fuel

The main results of a study of regimes for dissolution of plutonium oxide and mononitride powders, obtained by the pyrochemical method from weapons plutonium, in acids for subsequent extraction removal of gallium, americium, and ballast impurities and obtaining ceramic-type plutonium oxide powder su...

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Bibliographic Details
Published in:Atomic energy (New York, N.Y.) N.Y.), 2011-03, Vol.109 (5), p.343-349
Main Authors: Arseenkov, L. V., Rogozkin, B. D., Stepennova, N. M., Fedorov, Yu. E., Shishkov, M. G., Rogozhkin, V. Yu, Glagovskii, E. M., Varykhanov, V. P., Kucherenko, V. S., Shibarshov, L. I.
Format: Article
Language:English
Subjects:
Acids
Americium
Analysis
Chemical engineering
Gallium
Hadrons
Heavy Ions
Nitrates
Nuclear Chemistry
Nuclear Energy
Nuclear fuels
Nuclear Physics
Nuclear weapons
Particle size
Physics
Physics and Astronomy
Plutonium
Powders
Studies
Weapons
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Summary:The main results of a study of regimes for dissolution of plutonium oxide and mononitride powders, obtained by the pyrochemical method from weapons plutonium, in acids for subsequent extraction removal of gallium, americium, and ballast impurities and obtaining ceramic-type plutonium oxide powder suitable for fabricating mixing oxide fuel are presented. It is established experimentally that plutonium oxide and mononitride obtained by the pyrochemical method dissolve rapidly in the acid mixture HNO 3 12 moles/liter and HF 0.1 moles/liter. Plutonium extraction into solution reaches >99%.
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-011-9366-8