Cementitious Stabilization of Mixed Wastes with High Salt Loadings

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Salt loadings approaching 50 wt % were tolerated in cementitious waste forms that still met leach and strength criteria, addressing a Technology Deficiency of low salt loadings previously identified by the Mixed Waste Focus Area. A statistical design quantified the effect of different stabilizing ingredients and salt loading on performance at lower loadings, allowing selection of the more effective ingredients for studying the higher salt loadings. In general, the final waste form needed to consist of 25 wt % of the dry stabilizing ingredients to meet the criteria used and 25 wt % water to form a workable paste, leaving ... continued below

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Medium: P; Size: 91 pages

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Spence, R. D.; Burgess, M. W.; Fedorov, V. V. & Downing, D. J. April 1999.

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Description

Salt loadings approaching 50 wt % were tolerated in cementitious waste forms that still met leach and strength criteria, addressing a Technology Deficiency of low salt loadings previously identified by the Mixed Waste Focus Area. A statistical design quantified the effect of different stabilizing ingredients and salt loading on performance at lower loadings, allowing selection of the more effective ingredients for studying the higher salt loadings. In general, the final waste form needed to consist of 25 wt % of the dry stabilizing ingredients to meet the criteria used and 25 wt % water to form a workable paste, leaving 50 wt % for waste solids. The salt loading depends on the salt content of the waste solids but could be as high as 50 wt % if all the waste solids are salt.

Physical Description

Medium: P; Size: 91 pages

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INIS; OSTI as DE00006666

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  • Other Information: PBD: 1 Apr 1999

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  • Report No.: ORNL/TM-13725
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/6666 | External Link
  • Office of Scientific & Technical Information Report Number: 6666
  • Archival Resource Key: ark:/67531/metadc704781

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Office of Scientific & Technical Information Technical Reports

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  • April 1999

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  • Sept. 12, 2015, 6:31 a.m.

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  • Jan. 15, 2016, 3:57 p.m.

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Spence, R. D.; Burgess, M. W.; Fedorov, V. V. & Downing, D. J. Cementitious Stabilization of Mixed Wastes with High Salt Loadings, report, April 1999; Tennessee. (digital.library.unt.edu/ark:/67531/metadc704781/: accessed May 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.