Spent nuclear fuel project recommended reaction rate constants for corrosion of N-Reactor fuel

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Description

The US Department of Energy (DOE) established the Spent Nuclear Fuel Project (SNF Project) to address safety and environmental concerns associated with deteriorating spent nuclear fuel presently stored in the Hanford Site`s K Basins. The SNF Project has been tasked by the DOE with moving the spent N-Reactor fuel from wet storage to contained dry storage in order to reduce operating costs and environmental hazards. The chemical reactivity of the fuel must be understood at each process step and during long-term dry storage. Normally, the first step would be to measure the N-fuel reactivity before attempting thermal-hydraulic transfer calculations; however, ... continued below

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54 p.

Creation Information

Cooper, T.D. June 15, 1998.

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  • Fluor Daniel Hanford, Inc.
    Publisher Info: Fluor Daniel Hanford, Inc., Richland, WA (United States)
    Place of Publication: Richland, Washington

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Description

The US Department of Energy (DOE) established the Spent Nuclear Fuel Project (SNF Project) to address safety and environmental concerns associated with deteriorating spent nuclear fuel presently stored in the Hanford Site`s K Basins. The SNF Project has been tasked by the DOE with moving the spent N-Reactor fuel from wet storage to contained dry storage in order to reduce operating costs and environmental hazards. The chemical reactivity of the fuel must be understood at each process step and during long-term dry storage. Normally, the first step would be to measure the N-fuel reactivity before attempting thermal-hydraulic transfer calculations; however, because of the accelerated project schedule, the initial modeling was performed using literature values for uranium reactivity. These literature values were typically found for unirradiated, uncorroded metal. It was fully recognized from the beginning that irradiation and corrosion effects could cause N-fuel to exhibit quite different reactivities than those commonly found in the literature. Even for unirradiated, uncorroded uranium metal, many independent variables affect uranium metal reactivity resulting in a wide scatter of data. Despite this wide reactivity range, it is necessary to choose a defensible model and estimate the reactivity range of the N-fuel until actual reactivity can be established by characterization activities. McGillivray, Ritchie, and Condon developed data and/or models that apply for certain samples over limited temperature ranges and/or reaction conditions (McGillivray 1994, Ritchie 1981 and 1986, and Condon 1983). These models are based upon small data sets and have relatively large correlation coefficients.

Physical Description

54 p.

Notes

INIS; OSTI as DE99050721

Source

  • Other Information: PBD: 15 Jun 1998

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  • Other: DE99050721
  • Report No.: HNF-SD-SNF-TI--020-Rev.2
  • Grant Number: AC06-96RL13200
  • DOI: 10.2172/362570 | External Link
  • Office of Scientific & Technical Information Report Number: 362570
  • Archival Resource Key: ark:/67531/metadc676737

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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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  • June 15, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • May 18, 2016, 5 p.m.

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Cooper, T.D. Spent nuclear fuel project recommended reaction rate constants for corrosion of N-Reactor fuel, report, June 15, 1998; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc676737/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.