The Preparation and Characterization of INTEC HAW Phase I Composition Variation Study Glasses

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A glass composition variation study (CVS) is in progress to define formulations for the vitrification of high activity waste (HAW) proposed to be separated from dissolved calcine stored at the Idaho National Engineering and Environmental Laboratory (INEEL). Estimates of calcine and HAW compositions prepared in FY97 were used to define test matrix glasses. The HAW composition is of particular interest because high aluminum, zirconium, phosphorous and potassium, and low iron and sodium content places it outside the realm of vitrification experience in the Department of Energy (DOE) complex. Through application of statistical techniques, a test matrix was defined for Phase ... continued below

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76 Pages

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Musick, C. A.; Peeler, D. K.; Piepel, G. F.; Scholes, B. A.; Staples, B. A. & Vienna, J. D. March 1, 1999.

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Description

A glass composition variation study (CVS) is in progress to define formulations for the vitrification of high activity waste (HAW) proposed to be separated from dissolved calcine stored at the Idaho National Engineering and Environmental Laboratory (INEEL). Estimates of calcine and HAW compositions prepared in FY97 were used to define test matrix glasses. The HAW composition is of particular interest because high aluminum, zirconium, phosphorous and potassium, and low iron and sodium content places it outside the realm of vitrification experience in the Department of Energy (DOE) complex. Through application of statistical techniques, a test matrix was defined for Phase 1 of the CVS. From this matrix, formulations were systematically selected for preparation and characterization with respect to homogeneity, viscosity, liquidus temperature (TL), and leaching response when subjected to the Product Consistency Test (PCT). Based on the properties determined, certain formulations appear suitable for further development including use in planning Phase 2 of the study. It is recommended that glasses to be investigated in Phase 2 be limited to 3-5 wt % phosphate. The results of characterizing the Phase 1 glasses are presented in this document. A full analysis of the composition-property relationships of glasses being developed for immobilizing HAWs will be performing at the completion of CVS phases. This analysis will be needed for the optimization of the glass formulations of vitrifying HAW. Contributions were made to this document by personnel working at the INEEL, Pacific Northwest National Laboratories (PNNL), and the Savannah River Technology Center (SRTC).

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76 Pages

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  • Other: DE00005072
  • Report No.: INEEL/EXT-98-00970 - REV. 1
  • Grant Number: AC07-94ID13223
  • DOI: 10.2172/5072 | External Link
  • Office of Scientific & Technical Information Report Number: 5072
  • Archival Resource Key: ark:/67531/metadc697980

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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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  • March 1, 1999

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  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 16, 2017, 6:18 p.m.

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Musick, C. A.; Peeler, D. K.; Piepel, G. F.; Scholes, B. A.; Staples, B. A. & Vienna, J. D. The Preparation and Characterization of INTEC HAW Phase I Composition Variation Study Glasses, report, March 1, 1999; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc697980/: accessed December 12, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.