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- Title
Synthesis of Mixed Actinide Oxides Using Microwave Radiation.
- Authors
Dvoeglazov, Konstantin; Kulyako, Yury; Vinokurov, Sergey; Myasoedov, Boris; Dmitriev, Mikhail; Ushakov, Oleg; Mochalov, Yuri; Shadrin, Andrei; Smolkin, Pavel
- Abstract
A method has been developed for producing mixed actinide oxides suitable for fabricating mixed nitride uranium plutonium fuel for fast neutron reactors. The method is based on the use of microwave radiation for the direct denitration of actinide nitrate solutions. The possibility of producing uranium, plutonium, and neptunium-mixed oxides was shown. A pilot installation for preparing actinide oxides by microwave denitration was designed and tested. Mixed oxides of uranium and cerium (for plutonium imitation) were successfully used to synthesize uranium cerium nitrides and produce fuel pellets. Compared with the precipitation (ammonia) method of producing mixed oxides, microwave denitration reduces the generation of secondary liquid radioactive waste by more than six times.
- Subjects
RADIOACTIVE wastes; URANIUM oxides; MICROWAVES; URANIUM as fuel; CERIUM oxides; LIQUID waste; PLUTONIUM; FAST reactors
- Publication
Energies (19961073), 2022, Vol 15, Issue 18, p6618
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en15186618