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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.6
- 수록면
- 1,931 - 1,938 (8page)
- DOI
- https://doi.org/10.1016/j.net.2020.12.021
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초록· 키워드
오류제보하기
Uranium ingot is produced by metallothermic reduction of uranium tetrafluoride using magnesium orcalcium as reductant. Presence of oxygen containing compounds viz. uranyl fluoride and uranium oxidein the starting uranium fluoride has a significant effect on the firing time, final temperature of the charge,slag-metal separation and hence the metal recovery. As reported in the literature, the maximum tolerablelimit for uranyl fluoride in the UF4 is 2.5 wt% and limit for uranium oxide content is in the range 2e3 wt%. No theoretical or experimental basis is available till date for these limits. Analyses have beencarried out in this study to understand the effect of UO2F2 concentration in the starting fluoride on thefinal temperature of the products and thus the reduction characteristics. UF4 having uranyl fluorideconcentration, less than as well as more than 2.5 wt%, have been investigated. Thermodynamic calculationshave been carried out to arrive at a general expression for the final temperature attained by theproducts during calciothermic reduction of UF4. Finally, an upper limit for the oxygen containing impuritieshas been estimated using the CaOeCaF2 phase diagram
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참고문헌 (23)
참고문헌 신청
Research Reactors: Purpose and Future
A. Travelli / 1978 / The U.S. Reduced enrichment research and test reactor (RERTR)program / Proceedings of the 1978 International Meeting on reduced enrichment for research and test reactors :3~18
A. M. Saliba-Silva / 2008 / Fabrication of U3Si2powder for fuels used in IEA-R1 nuclear research reactor / Mater. Sci. Forum 591:194~199
M. Durazzo / 2017 / Manufacturing low enriched uranium metal by magnesiothermic reduction of UF4 / Ann. Nucl. Energy 110:874~885
M. Durazzo / 2017 / Analysis of slag formation during UF4 magnesiothermic reduction / Nucl. Technol 200(2):170~176
A. Travelli / 1978 / The U.S. Reduced enrichment research and test reactor (RERTR)program / Proceedings of the 1978 International Meeting on reduced enrichment for research and test reactors :3~18
A. M. Saliba-Silva / 2008 / Fabrication of U3Si2powder for fuels used in IEA-R1 nuclear research reactor / Mater. Sci. Forum 591:194~199
M. Durazzo / 2017 / Manufacturing low enriched uranium metal by magnesiothermic reduction of UF4 / Ann. Nucl. Energy 110:874~885
M. Durazzo / 2017 / Analysis of slag formation during UF4 magnesiothermic reduction / Nucl. Technol 200(2):170~176
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