Sorption-capacity limited retardation of radionuclides transport in water-saturated packing materials

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Radionuclides breakthrough times as calculated through constant retardation factors obtained in dilute solutions are non-conservative. The constant retardation approach regards the solid as having infinite sorption capacity throughout the solid. However, as the solid becomes locally saturated, such as in the proximity of the waste form-packing materials interface, it will exhibit no retardation properties, and transport will take place as if the radionuclides were locally non-reactive. The magnitude of the effect of finite sorption capacity of the packing materials on radionuclide transport is discussed with reference to high-level waste package performance. An example based on literature sorption data indicates that ... continued below

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Pages: 8

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Pescatore, C. & Sullivan, T. January 1, 1984.

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Description

Radionuclides breakthrough times as calculated through constant retardation factors obtained in dilute solutions are non-conservative. The constant retardation approach regards the solid as having infinite sorption capacity throughout the solid. However, as the solid becomes locally saturated, such as in the proximity of the waste form-packing materials interface, it will exhibit no retardation properties, and transport will take place as if the radionuclides were locally non-reactive. The magnitude of the effect of finite sorption capacity of the packing materials on radionuclide transport is discussed with reference to high-level waste package performance. An example based on literature sorption data indicates that the breakthrough time may be overpredicted by orders of magnitude using a constant retardation factor as compared to using the entire sorption isotherm to obtain a concentration-dependent retardation factor. 8 references, 3 figures, 3 tables.

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Pages: 8

Notes

NTIS, PC A02.

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  • Materials Research Society annual meeting, Boston, MA, USA, 26 Nov 1984

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  • Other: TI85006799
  • Report No.: BNL-NUREG-35702
  • Report No.: CONF-841157-74
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 6124228
  • Archival Resource Key: ark:/67531/metadc1112347

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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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  • January 1, 1984

Added to The UNT Digital Library

  • Feb. 22, 2018, 7:45 p.m.

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  • April 23, 2018, 7:35 p.m.

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Pescatore, C. & Sullivan, T. Sorption-capacity limited retardation of radionuclides transport in water-saturated packing materials, article, January 1, 1984; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc1112347/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.