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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.1
- 수록면
- 9 - 20 (12page)
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Since plutonium accounts for 40-50% of the power produced by uranium fuels, spent fuel contains only residual plutonium.
Management of this plutonium is one of the aspects influencing the choice of a fuel cycle back-end option: reprocessing, direct
disposal or wait-and-see.
Different grades and qualities of plutonium exist depending from their specific generation conditions; all are valuable
fissile material. Safeguard authorities watch the inventories of civil plutonium, but access to those data is restricted. Independent
evaluations have led to an estimated current inventory of 220 t plutonium in total (spent fuel, separated civil plutonium and
military plutonium). If used as MOX fuel, it would be sufficient to feed all the PWRs and BWRs worldwide during 7 years
or to deploy a FBR park corresponding to 150% of today’s installed nuclear capacity worldwide, which could then be exploited
for centuries with the current stockpile of depleted and spent uranium.
The energy potential of plutonium deteriorates with storage time of spent fuel and of separated plutonium, due to the decay
of 241Pu, the best fissile isotope, into americium, a neutron absorber. The loss of fissile value of plutonium is more pronounced
for usage in LWRs than in FBR. However, keeping the current plutonium inventory for an expected future deployment of
FBRs is counterproductive.
Recycling plutonium reduce the required volume for final disposal in an underground repository and the cost of final disposal.
However, the benefits of utilizing an energy resource and of reducing final disposal liabilities are not the only aspects that
determine the choice of a back-end policy
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참고문헌 (24)
참고문헌 신청
B PELLAUD / 2002 / Proliferation Aspects of Plutonium Recycling / Journal of Nuclear Materials Management
B PELLAUD / 2002 / Proliferation aspects of plutonium recycling / Proceedings of the French Academy of Sciences 3
D ALBRIGHT / 2005 / Global Stocks of Nuclear Explosive Materials: Summary Tables and Charts
D GRENECHE / 2004 / An overview of advanced fuel cycle developments in France / Presentation at the Technical Working Group on Nuclear Fuel Cycle Options and Spent Fuel Management
DEPARTMENT FOR BUSINESS / 2008 / Meeting the Energy Challenge - A White Paper on Nuclear Power - January 2008
B PELLAUD / 2002 / Proliferation aspects of plutonium recycling / Proceedings of the French Academy of Sciences 3
D ALBRIGHT / 2005 / Global Stocks of Nuclear Explosive Materials: Summary Tables and Charts
D GRENECHE / 2004 / An overview of advanced fuel cycle developments in France / Presentation at the Technical Working Group on Nuclear Fuel Cycle Options and Spent Fuel Management
DEPARTMENT FOR BUSINESS / 2008 / Meeting the Energy Challenge - A White Paper on Nuclear Power - January 2008
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