Defining the Glass Composition Limits for SRS Contaminated Soils

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Description

Contaminated soil resulting from the excavation, repair, and decommissioning of facilities located at the Savannah River Site (SRS) is currently being disposed of by shallow land burial or is being stored when considered only hazardous. Vitrification of this waste is being investigated, since it will bind the hazardous and radioactive species in a stable and durable glass matrix, which will reduce the risk of ground water contamination. However, the composition limits for producing durable glass have to be determined before the technology can be applied. Glass compositions, consisting of SRS soil and glass forming additives, were tested on a crucible-scale ... continued below

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20 p.

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Cicero, C.A.; Bickford, D.F. & Crews, W.O. May 12, 1995.

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Description

Contaminated soil resulting from the excavation, repair, and decommissioning of facilities located at the Savannah River Site (SRS) is currently being disposed of by shallow land burial or is being stored when considered only hazardous. Vitrification of this waste is being investigated, since it will bind the hazardous and radioactive species in a stable and durable glass matrix, which will reduce the risk of ground water contamination. However, the composition limits for producing durable glass have to be determined before the technology can be applied. Glass compositions, consisting of SRS soil and glass forming additives, were tested on a crucible-scale in three ternary phase systems. Nine different glass compositions were produced, with waste loadings ranging from 43 to 58 weight percent. These were characterized using varoius chemical methods and tested for durability in both alkaline and acidic environments. All nine performed well in alkaline environments, but only three met the strictest criteria for the acidic environment tests. Although the glasses did not meet all of the limits for the acidic tests, the test was performed on very conservative size samples, so the results were also conservative. Therefore, enough evidence was found to provide proof that SRS soil can be vitrified in a durable glass matrix

Physical Description

20 p.

Notes

INIS; OSTI as DE96060001

Source

  • 3. American Society for Mechanical Engineers (ASME) biennial mixed waste symposium, Baltimore, MD (United States), 7-11 Aug 1995

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  • Other: DE96060001
  • Report No.: WSRC-MS--95-0184
  • Report No.: CONF-950877--18
  • Grant Number: AC09-89SR18035
  • DOI: 10.2172/113806 | External Link
  • Office of Scientific & Technical Information Report Number: 113806
  • Archival Resource Key: ark:/67531/metadc622724

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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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Creation Date

  • May 12, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 10, 2016, 1:08 p.m.

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Cicero, C.A.; Bickford, D.F. & Crews, W.O. Defining the Glass Composition Limits for SRS Contaminated Soils, report, May 12, 1995; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc622724/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.