Laboratory-Scale Melter for Determination of Melting Rate of Waste Glass Feeds

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The purpose of this study was to develop the laboratory-scale melter (LSM) as a quick and inexpensive method to determine the processing rate of various waste glass slurry feeds. The LSM uses a 3 or 4 in. diameter-fused quartz crucible with feed and off-gas ports on top. This LSM setup allows cold-cap formation above the molten glass to be directly monitored to obtain a steady-state melting rate of the waste glass feeds. The melting rate data from extensive scaled-melter tests with Hanford Site high-level wastes performed for the Hanford Tank Waste Treatment and Immobilization Plant have been compiled. Preliminary empirical ... continued below

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Kim, Dong-Sang; Schweiger, Michael J.; Buchmiller, William C. & Matyas, Josef January 9, 2012.

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  • Pacific Northwest National Laboratory (U.S.)
    Publisher Info: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States), Environmental Molecular Sciences Laboratory (EMSL)
    Place of Publication: Richland, Washington

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Description

The purpose of this study was to develop the laboratory-scale melter (LSM) as a quick and inexpensive method to determine the processing rate of various waste glass slurry feeds. The LSM uses a 3 or 4 in. diameter-fused quartz crucible with feed and off-gas ports on top. This LSM setup allows cold-cap formation above the molten glass to be directly monitored to obtain a steady-state melting rate of the waste glass feeds. The melting rate data from extensive scaled-melter tests with Hanford Site high-level wastes performed for the Hanford Tank Waste Treatment and Immobilization Plant have been compiled. Preliminary empirical model that expresses the melting rate as a function of bubbling rate and glass yield were developed from the compiled database. The two waste glass feeds with most melter run data were selected for detailed evaluation and model development and for the LSM tests so the melting rates obtained from LSM tests can be compared with those from scaled-melter tests. The present LSM results suggest the LSM setup can be used to determine the glass production rates for the development of new glass compositions or feed makeups that are designed to increase the processing rate of the slurry feeds.

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  • Report No.: PNNL-21005
  • Report No.: EMSP-RPT-012
  • Grant Number: AC05-76RL01830
  • DOI: 10.2172/1036924 | External Link
  • Office of Scientific & Technical Information Report Number: 1036924
  • Archival Resource Key: ark:/67531/metadc831666

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • January 9, 2012

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

Description Last Updated

  • Dec. 8, 2016, 8:24 p.m.

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Kim, Dong-Sang; Schweiger, Michael J.; Buchmiller, William C. & Matyas, Josef. Laboratory-Scale Melter for Determination of Melting Rate of Waste Glass Feeds, report, January 9, 2012; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc831666/: accessed June 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.