Melt Rate Improvement for DWPF MB3: Summary and Recommendations

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The objective for this task is to understand and apply the control of glass batch chemistry (frit composition) and/or changes in chemical processing strategies to improve the overall melting process for Macrobatch 3 (MB3) (Defense Waste Processing Facility (DWPF) sludge-only processing). For melt rate limited systems, a small increase in melting efficiency translates into substantial savings by reducing operational costs without compromising the quality of the final waste product. This report summarizes the key information collected during the FY01 melt-rate testing completed to support the conclusion that switching from Frit 200, the frit currently used to prepare all the glass ... continued below

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Lambert, D. P. July 11, 2001.

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Description

The objective for this task is to understand and apply the control of glass batch chemistry (frit composition) and/or changes in chemical processing strategies to improve the overall melting process for Macrobatch 3 (MB3) (Defense Waste Processing Facility (DWPF) sludge-only processing). For melt rate limited systems, a small increase in melting efficiency translates into substantial savings by reducing operational costs without compromising the quality of the final waste product. This report summarizes the key information collected during the FY01 melt-rate testing completed to support the conclusion that switching from Frit 200, the frit currently used to prepare all the glass produced in radioactive processing, to Frit 320 should improve the melt rate during processing of DWPF MB3 sludge (Note: MB3 is referred to as Sludge Batch 2 in the High-Level Waste System Plan). The report also includes recommendations that should be addressed prior to implementation of the new frit and future research that should be completed to further improve melt rate. No analysis has been completed to determine if Frit 320 can be used in processing of other sludge macrobatches. The testing in this report is based on dried-slurry testing of a MB3 melter feed prepared from nonradioactive simulants. Additional testing, particularly with a melter feed slurry and actual waste, would be required before implementing the new frit in DWPF, and a variability study would also be necessary. The work to date, at most, provides relative data until actual melter data can be obtained and compared.

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  • Other Information: PBD: 11 Jul 2001

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  • Report No.: WSRC-TR-2001-00148
  • Grant Number: AC09-96SR18500
  • DOI: 10.2172/783015 | External Link
  • Office of Scientific & Technical Information Report Number: 783015
  • Archival Resource Key: ark:/67531/metadc723249

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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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Creation Date

  • July 11, 2001

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • May 5, 2016, 4:21 p.m.

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Lambert, D. P. Melt Rate Improvement for DWPF MB3: Summary and Recommendations, report, July 11, 2001; South Carolina. (digital.library.unt.edu/ark:/67531/metadc723249/: accessed July 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.