Technical bases for the use of CIF{sub 3} in the MSRE reactive gas removal project at Oak Ridge National Laboratory, Oak Ridge, Tennessee

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Description

Nearly impermeable, non-volatile deposits in the Molten Salt Reactor Experiment (MSRE) off-gas piping are impeding the removal of reactive gases from that system. The deposits almost certainly consist of reduced uranium fluorides or of uranium oxyfluorides. Treatment with ClF{sub 3} is a non-intrusive method capable of chemically converting these compounds back to UF{sub 6}, which can then be removed as a gas. This report discusses the technical bases for the use of ClF{sub 3} treatments in this system. A variety of issues are examined, and where the necessary information exists or has been developed, the resolution discussed. The more important ... continued below

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58 p.

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Trowbridge, L. D. June 1997.

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Description

Nearly impermeable, non-volatile deposits in the Molten Salt Reactor Experiment (MSRE) off-gas piping are impeding the removal of reactive gases from that system. The deposits almost certainly consist of reduced uranium fluorides or of uranium oxyfluorides. Treatment with ClF{sub 3} is a non-intrusive method capable of chemically converting these compounds back to UF{sub 6}, which can then be removed as a gas. This report discusses the technical bases for the use of ClF{sub 3} treatments in this system. A variety of issues are examined, and where the necessary information exists or has been developed, the resolution discussed. The more important of these issues include the efficacy of ClF{sub 3} at deposit removal under the conditions imposed by the MSRE system, materials compatibility of ClF{sub 3} and its reaction products, and operational differences in the Reactive Gas Removal System imposed by the presence of ClF{sub 3} and its products.

Physical Description

58 p.

Notes

INIS; OSTI as DE97006917

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  • Other Information: PBD: Jun 1997

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  • Other: DE97006917
  • Report No.: ORNL/ER--402
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/491410 | External Link
  • Office of Scientific & Technical Information Report Number: 491410
  • Archival Resource Key: ark:/67531/metadc682157

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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 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • June 13, 2016, 9:29 p.m.

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Trowbridge, L. D. Technical bases for the use of CIF{sub 3} in the MSRE reactive gas removal project at Oak Ridge National Laboratory, Oak Ridge, Tennessee, report, June 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc682157/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.