A conceptual design study for some alternatives as well as the advanced aqueous reprocessing system has been progressed as a feasibility study on commercialized fast reactor cycle systems. Among these alternatives, the Supercritical fluid Direct Extraction (Super-DIREX) process is expected to minimize the reprocessing cost because the heavy metals (U, Pu, Np, Am and Cm) are directly extracted from the spent fuel powder in a column covering the dissolution, clarification and extraction process of the advanced aqueous process. The conceptual design for the reprocessing plant using Super-DIREX process was conducted considering the flowsheet, mass balance, specification and number of the components and layout of the components. From the result of the evaluation for the reprocessing cost of the plant with the capacity of 50tHM/y, it is found out that about 30% of the reprocessing cost is reduced compared with the advanced aqueous process (the NEXT process). In addition, using the Super-DIREX process, about 30% of wastes generated from the plant are reduced.
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12th International Conference on Nuclear Engineering
April 25–29, 2004
Arlington, Virginia, USA
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
0-7918-4689-X
PROCEEDINGS PAPER
Conceptual Design Study on Fast Reactor Fuel Reprocessing System Using Super-DIREX Process
Takeshi Takata,
Takeshi Takata
Japan Nuclear Cycle Development Institute, O-arai, Ibaraki, Japan
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Yoshikazu Koma,
Yoshikazu Koma
Japan Nuclear Cycle Development Institute, O-arai, Ibaraki, Japan
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Koji Sato,
Koji Sato
Japan Nuclear Cycle Development Institute, O-arai, Ibaraki, Japan
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Takashi Shimada,
Takashi Shimada
Mitsubishi Heavy Industries, Ltd.
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Yukihide Mori,
Yukihide Mori
Mitsubishi Heavy Industries, Ltd.
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Shinya Ogumo,
Shinya Ogumo
Advanced Reactor Technology Company, Ltd.
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Yasuhiro Ishida
Yasuhiro Ishida
Advanced Reactor Technology Company, Ltd.
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Takeshi Takata
Japan Nuclear Cycle Development Institute, O-arai, Ibaraki, Japan
Yoshikazu Koma
Japan Nuclear Cycle Development Institute, O-arai, Ibaraki, Japan
Koji Sato
Japan Nuclear Cycle Development Institute, O-arai, Ibaraki, Japan
Takashi Shimada
Mitsubishi Heavy Industries, Ltd.
Yukihide Mori
Mitsubishi Heavy Industries, Ltd.
Shinya Ogumo
Advanced Reactor Technology Company, Ltd.
Yasuhiro Ishida
Advanced Reactor Technology Company, Ltd.
Paper No:
ICONE12-49183, pp. 315-320; 6 pages
Published Online:
November 17, 2008
Citation
Takata, T, Koma, Y, Sato, K, Shimada, T, Mori, Y, Ogumo, S, & Ishida, Y. "Conceptual Design Study on Fast Reactor Fuel Reprocessing System Using Super-DIREX Process." Proceedings of the 12th International Conference on Nuclear Engineering. 12th International Conference on Nuclear Engineering, Volume 3. Arlington, Virginia, USA. April 25–29, 2004. pp. 315-320. ASME. https://doi.org/10.1115/ICONE12-49183
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