Plutonium host phases derived from high-level waste at the Idaho Chemical Processing Plant

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Description

The National Academy of Sciences recommended dissolution in a silicate matrix, with fission products to provide a protective radiation field, as one option for dispositioning excess weapons-grade plutonium. Candidate materials and processing conditions have been developed to pursue this option using high-level waste stored at the Idaho Chemical Processing Plant. Devitrification of glassy host materials achieves increased plutonium loading by partitioning plutonium into durable crystalline host phases. Results of devitrification experiments are summarized, and several unique plutonium host phases are reported. These phases were initially synthesized and characterized using cerium as a plutonium surrogate, to simplify operational requirements. Tests using ... continued below

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11 p.

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O`Holleran, T. P.; Johnson, S. G.; Kong, P. C. & Staples, B. A. May 4, 1997.

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Description

The National Academy of Sciences recommended dissolution in a silicate matrix, with fission products to provide a protective radiation field, as one option for dispositioning excess weapons-grade plutonium. Candidate materials and processing conditions have been developed to pursue this option using high-level waste stored at the Idaho Chemical Processing Plant. Devitrification of glassy host materials achieves increased plutonium loading by partitioning plutonium into durable crystalline host phases. Results of devitrification experiments are summarized, and several unique plutonium host phases are reported. These phases were initially synthesized and characterized using cerium as a plutonium surrogate, to simplify operational requirements. Tests using plutonium were performed to validate results obtained with surrogate materials. Characterization and leach test results are reported.

Physical Description

11 p.

Notes

INIS; OSTI as DE97053327

Source

  • 99. annual meeting of the American Ceramic Society, Cincinnati, OH (United States), 4-7 May 1997

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  • Other: DE97053327
  • Report No.: ANL/ED/CP--91804
  • Report No.: CONF-970568--
  • Grant Number: W-31109-ENG-38;AC07-94ID13223
  • Office of Scientific & Technical Information Report Number: 650133
  • Archival Resource Key: ark:/67531/metadc702883

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  • May 4, 1997

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 25, 2016, 10:56 a.m.

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O`Holleran, T. P.; Johnson, S. G.; Kong, P. C. & Staples, B. A. Plutonium host phases derived from high-level waste at the Idaho Chemical Processing Plant, article, May 4, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc702883/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.