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ISSN : 1738-1894(Print)
ISSN : 2288-5471(Online)
ISSN : 2288-5471(Online)
고온전해분리 기술의 기요 및 기존 핵연료주기 대체 기술로서의 적합성 검토
Investigation of Pyroprocessing Concept and Its Applicability as an Alternative Technology for Conventional Fuel Cycle
Abstract
The technical feasibility of a pyroprocessing of PWR spent fuels to recover nuclear fuel materials, uranium and transuranic elements group(TRU), was examined in this study. Also its applicability as a new fuel cycle technology in terms of non-proliferation was investigated. First, various unit processes were combined to a pyroprocess. Then the flow aspects of such materials of issue as uranium, transuraniums, rare earth, noble metals and heat generating elements were examined on the flowsheet, which was obtained by the assumptions on the basis of various experimental results in this work or separation data collected from literatures. Consequently, the calculated results of the material balance for the whole process showed that uranium and TRU could be recovered as products by 98.0 % and 97.0 %, respectively, from a PWR spent fuel while removing the other elemental groups into radioactive wastes. On the one hand, the TRU product was found to emit a considerable amount of -ray as well as neutrons favorably contributing to the strategy of proliferation resistance.
Pyroprocessing of spent fuel, Nuclear fuel cycle, Separation of uranium and TRU, Non-proliferation
사용후핵연료 고온전해분리, 핵연료주기, 우라늄 및 초우라늄원소군의 분리, 핵비확산
Reference
JNFCWT
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Waste Society (KRS)
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