Glass Composition Constraint Recommendations for Use in Life-Cycle Mission Modeling

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The component concentration limits that most influence the predicted Hanford life-cycle HLW glass volume by HTWOS were re-evaluated. It was assumed that additional research and development work in glass formulation and melter testing would be performed to improve the understanding of component effects on the processability and product quality of these HLW glasses. Recommendations were made to better estimate the potential component concentration limits that could be applied today while technology development is underway to best estimate the volume of HLW glass that will eventually be produced at Hanford. The limits for concentrations of P2O5, Bi2O3, and SO3 were evaluated ... continued below

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McCloy, John S. & Vienna, John D. May 3, 2010.

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The component concentration limits that most influence the predicted Hanford life-cycle HLW glass volume by HTWOS were re-evaluated. It was assumed that additional research and development work in glass formulation and melter testing would be performed to improve the understanding of component effects on the processability and product quality of these HLW glasses. Recommendations were made to better estimate the potential component concentration limits that could be applied today while technology development is underway to best estimate the volume of HLW glass that will eventually be produced at Hanford. The limits for concentrations of P2O5, Bi2O3, and SO3 were evaluated along with the constraint used to avoid nepheline formation in glass. Recommended concentration limits were made based on the current HLW glass property models being used by HTWOS (Vienna et al. 2009). These revised limits are: 1) The current ND should be augmented by the OB limit of OB ≤ 0.575 so that either the normalized silica (NSi) is less that the 62% limit or the OB is below the 0.575 limit. 2) The mass fraction of P2O5 limit should be revised to allow for up to 4.5 wt%, depending on CaO concentrations. 3) A Bi2O3 concentration limit of 7 wt% should be used. 4) The salt accumulation limit of 0.5 wt% SO3 may be increased to 0.6 wt%. Again, these revised limits do not obviate the need for further testing, but make it possible to more accurately predict the impact of that testing on ultimate HLW glass volumes.

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  • Report No.: PNNL-19372
  • Grant Number: AC05-76RL01830
  • DOI: 10.2172/978973 | External Link
  • Office of Scientific & Technical Information Report Number: 978973
  • Archival Resource Key: ark:/67531/metadc930452

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  • May 3, 2010

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 5, 2016, 6:25 p.m.

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McCloy, John S. & Vienna, John D. Glass Composition Constraint Recommendations for Use in Life-Cycle Mission Modeling, report, May 3, 2010; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc930452/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.