Some Investigations of the Reaction of Activated Charcoal with Fluorine and Uranium Hexafluoride

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The Molten Salt Reactor Experiment (MSRE) at Oak Ridge National Laboratory has been shut down since 1969, when the fuel salt was drained from the core into two Hastelloy N drain tanks at the reactor site. Over time, fluorine (F{sub 2}) and uranium hexafluoride (UF{sub 6}) moved from the salt through the gas piping to a charcoal bed, where they reacted with the activated charcoal. Some of the immediate concerns related to the migration of F{sub 2} and UF{sub 6} to the charcoal bed were the possibility of explosive reactions between the charcoal and F{sub 2}, the existence of conditions ... continued below

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Medium: P; Size: 104 pages

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Del Cul, G.D.; Fiedor, J.N.; Simmons, D.W.; Toth, L.M.; Trowbridge, L.D. & Williams September 1, 1998.

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Description

The Molten Salt Reactor Experiment (MSRE) at Oak Ridge National Laboratory has been shut down since 1969, when the fuel salt was drained from the core into two Hastelloy N drain tanks at the reactor site. Over time, fluorine (F{sub 2}) and uranium hexafluoride (UF{sub 6}) moved from the salt through the gas piping to a charcoal bed, where they reacted with the activated charcoal. Some of the immediate concerns related to the migration of F{sub 2} and UF{sub 6} to the charcoal bed were the possibility of explosive reactions between the charcoal and F{sub 2}, the existence of conditions that could induce a criticality accident, and the removal and recovery of the fissile uranium from the charcoal. This report addresses the reactions and reactivity of species produced by the reaction of fluorine and activated charcoal and between charcoal and F{sub 2}-UF{sub 6} gas mixtures in order to support remediation of the MSRE auxiliary charcoal bed (ACB) and the recovery of the fissile uranium. The chemical identity, stoichiometry, thermochemistry, and potential for explosive decomposition of the primary reaction product, fluorinated charcoal, was determined.

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Medium: P; Size: 104 pages

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INIS; OSTI as DE00001817

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  • Other Information: PBD: 1 Sep 1998

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  • Report No.: ORNL/TM-13052
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/1817 | External Link
  • Office of Scientific & Technical Information Report Number: 1817
  • Archival Resource Key: ark:/67531/metadc666203

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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.

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  • September 1, 1998

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Aug. 8, 2016, 7:32 p.m.

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Del Cul, G.D.; Fiedor, J.N.; Simmons, D.W.; Toth, L.M.; Trowbridge, L.D. & Williams. Some Investigations of the Reaction of Activated Charcoal with Fluorine and Uranium Hexafluoride, report, September 1, 1998; Tennessee. (digital.library.unt.edu/ark:/67531/metadc666203/: accessed May 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.