Evaluation of Potential Melt-Dilute/Neutron Absorber Systems for DOE SNF Disposal System

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Approximately 50 metric tonnes heavy metal of aluminum-base spent nuclear fuel (Al-SNF) or 30,000 assemblies are being consolidated at the Savannah River Site. The melt-dilute (MD) technology option is being developed to allow ultimate disposal of these fuels in the Monitored Geologic Repository (MGR). Neutron absorbing materials are needed to maintain k{sub eff} less than 0.95 in desired packaging configurations. The aggressive chemical environment in the MGR is expected to lead to the reconfiguration of the contents of the codisposal waste package following waste package failure. This reconfiguration has the potential for increasing the reactivity of the waste package. The ... continued below

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Vinson, D. November 5, 1999.

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Approximately 50 metric tonnes heavy metal of aluminum-base spent nuclear fuel (Al-SNF) or 30,000 assemblies are being consolidated at the Savannah River Site. The melt-dilute (MD) technology option is being developed to allow ultimate disposal of these fuels in the Monitored Geologic Repository (MGR). Neutron absorbing materials are needed to maintain k{sub eff} less than 0.95 in desired packaging configurations. The aggressive chemical environment in the MGR is expected to lead to the reconfiguration of the contents of the codisposal waste package following waste package failure. This reconfiguration has the potential for increasing the reactivity of the waste package. The reconfiguration and redistribution of materials within the waste package are being investigated in an analytical and experimental program to support the criticality analysis. Further, the incorporation of neutron absorbing materials that will be integral to the MD SNF form is being investigated.

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  • DOE Spent Nuclear Fuel and Fissile Material Management, San Diego, CA (US), 06/04/2000--06/08/2000

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  • Report No.: WSRC-MS-99-00832
  • Grant Number: AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 14749
  • Archival Resource Key: ark:/67531/metadc624969

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • November 5, 1999

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  • June 16, 2015, 7:43 a.m.

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  • May 5, 2016, 6 p.m.

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Vinson, D. Evaluation of Potential Melt-Dilute/Neutron Absorber Systems for DOE SNF Disposal System, article, November 5, 1999; South Carolina. (digital.library.unt.edu/ark:/67531/metadc624969/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.