Core concept of compound process fuel cycle |
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Authors: | Tetsuo Ikegami |
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Affiliation: | O-arai Engineering Center, Japan Nuclear Cycle Development Institute (JNC) O-arai Ibaraki 311-1393, Japan |
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Abstract: | This paper presents fast reactor core concept and its feasibility as a part of newly proposed compound process fuel cycle in which spent fuels of light water reactor are multi-recycled without conventional reprocessing but with only pyrochemical processing, fuel re-fabrication and reloading to the fast reactor core. Results of the core survey analyses in order to find out the feasibility of this concept, taking example for BWR MOX spent fuel of 60 GWd/t burn-up, show that four times recycling of LWR spent fuel with the burn-up of more than 300 GWd/t can be achieved without increasing MA content. Such benefits will be expected in this concept as reduction of fuel cycle cost due to simplified reprocessing procedure, reduction of environmental impacts due to reduced high level waste, efficient utilization of nuclear fuel resources, enhancement of nuclear non-proliferation, and suppression of LWR spent fuel pile-up. |
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Keywords: | Fast reactor core LWR spent fuel Pyrochemical processing Compound process fuel cycle Effective utilization of LWR fuel |
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