Effects of Fuel Burn-Up on the Dissolution Process-I

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Description

Data on the effects of nuclear fuel burnup on dissolution rates and U losses of a few fuel types are summarized. Burnup to the 40% level produced very little effect on the rate of solution of stainless steel-UO/sub 2/ fuel elements in solutions of the Darex type. Beyond passivation, burnup to the 250 Mwd/T level did not produce a large effect on the rate of decladding nor on the U losses in the Sulfex process. Burnup to the 15% or 4300 Mwd/T level produced little or no effect on the rate of decladding, U losses, or Pu losses in the … continued below

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9 pages

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Davis, W., Jr. March 25, 1959.

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Description

Data on the effects of nuclear fuel burnup on dissolution rates and U losses of a few fuel types are summarized. Burnup to the 40% level produced very little effect on the rate of solution of stainless steel-UO/sub 2/ fuel elements in solutions of the Darex type. Beyond passivation, burnup to the 250 Mwd/T level did not produce a large effect on the rate of decladding nor on the U losses in the Sulfex process. Burnup to the 15% or 4300 Mwd/T level produced little or no effect on the rate of decladding, U losses, or Pu losses in the Zirflex process. Two other effects, air oxidation of irradiated UO/sub 2/ and prolonged contact of this oxide with Sulfex solutions in the absence of actively dissolving stainless steel appeared to be much more serious sources of loss of U. (auth)

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9 pages

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Digitized from microopaque cards (1).

Includes bibliographic references (pages 8-9)

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  • Report No.: CF-59-3-75
  • Grant Number: W-7405-eng-26
  • SuDoc Number: Y 3.At 7:22/CF-59-3-75
  • Accession or Local Control No: metadc1203027
  • Archival Resource Key: ark:/67531/metadc1203027

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Imaged from microcard, these technical reports describe research performed for U.S. government agencies from the 1930s to the 1960s. The reports were provided by the Technical Report Archive and Image Library (TRAIL).

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  • March 25, 1959

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  • July 9, 2023, 5:38 p.m.

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  • Jan. 28, 2026, 8:15 a.m.

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Davis, W., Jr. Effects of Fuel Burn-Up on the Dissolution Process-I, report, March 25, 1959; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc1203027/: accessed April 10, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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