Testing of low temperature stabilization alternatives for salt-containing mixed wastes -- approach and results to date

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Through its annual process of identifying technology deficiencies associated with waste treatment, the Department of Energy`s (DOE) Mixed Waste Focus Area (MWFA) determined that the former DOE weapons complex lacks efficient mixed waste stabilization technologies for salt containing wastes. The current method used to stabilize salt waste for compliant disposal is grouting with Portland cement. This method is inefficient since the highly soluble and reactive chloride, nitrate, and sulfate salts interfere with the hydration and setting processes associated with grouting. The following five alternative salt waste stabilization technologies were selected for MWFA development funding in FY97 and FY98: (1) Phosphate ... continued below

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8 p.

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Maio, V.; Loomis, G.; Biyani, R.K.; Smith, G.; Spence, R. & Wagh, A. July 1, 1998.

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  • Maio, V.
  • Loomis, G. Lockheed Martin Idaho Technologies Co., Idaho Falls, ID (United States)
  • Biyani, R.K. SGN Eurisys Services Corp., Richland, WA (United States)
  • Smith, G. Pacific Northwest National Lab., Richland, WA (United States)
  • Spence, R. Oak Ridge National Lab., TN (United States)
  • Wagh, A. Argonne National Lab., IL (United States)

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Through its annual process of identifying technology deficiencies associated with waste treatment, the Department of Energy`s (DOE) Mixed Waste Focus Area (MWFA) determined that the former DOE weapons complex lacks efficient mixed waste stabilization technologies for salt containing wastes. The current method used to stabilize salt waste for compliant disposal is grouting with Portland cement. This method is inefficient since the highly soluble and reactive chloride, nitrate, and sulfate salts interfere with the hydration and setting processes associated with grouting. The following five alternative salt waste stabilization technologies were selected for MWFA development funding in FY97 and FY98: (1) Phosphate Bonded Ceramics, (2) Sol-gel, (3) Polysiloxane, (4) Polyester Resin, and (5) Enhanced Concrete. Comparable evaluations were planned for the stabilization development efforts. Under these evaluations each technology stabilized the same type of salt waste surrogates as specified by the MWFA. Final waste form performance data such as compressive strength, waste loading, and leachability can then be equally compared to the requirements originally specified. In addition to the selected test results provided in this paper, the performance of each alternative stabilization technology, will be documented in formal MWFA Innovative Technology Summary Reports (ITSRs).

Physical Description

8 p.

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INIS; OSTI as DE98056066

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  • SPECTRUM `98: nuclear and hazardous waste management international topical meeting, Denver, CO (United States), 13-18 Sep 1998

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  • Other: DE98056066
  • Report No.: INEEL/CON--98-00525
  • Report No.: CONF-980905--
  • Grant Number: AC07-94ID13223
  • Office of Scientific & Technical Information Report Number: 656618
  • Archival Resource Key: ark:/67531/metadc707823

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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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  • July 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • June 14, 2016, 5:15 p.m.

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Maio, V.; Loomis, G.; Biyani, R.K.; Smith, G.; Spence, R. & Wagh, A. Testing of low temperature stabilization alternatives for salt-containing mixed wastes -- approach and results to date, article, July 1, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc707823/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.