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Immobilization of Technetium and Nitrate in Cement-Based Materials

  • O. K. Tallent (a1), E. W. McDaniel (a1), G. D. Del Cul (a1), K. E. Dodson (a1) and D. R. Trotter (a1)...

Abstract

The leachabilities of technetium and nitrate wastes immobilized in cement-based materials (i.e., grouts) have been investigated using ANS 16.1 test procedures. Factors found to affect the leachabilities include (1) grout mix ratio, (2) grout fluid density, (3) dry solid blend composition (including ground blast furnace slag), and (4) waste concentration.

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Tallent, O.K., McDanial, E. W., and Godsey, T. T., Fixation of Wast Materials in Grouts, Part II: An Empirical Equation for Estimating Compressive Strength For Grouts From Different Wastes, ORNL/TM-9680/PII
2. Tallent, O. K., McDaniel, E. W., Spence, R. D., and Godsey, T. T., Initial Formulation Results for Insitu Grouting of a Waste Trench at ORNL Site No. 6, ORNL/TM-10299(1987).
3. Tallent, O. K., Sams, T. L., Tamura, T., Godsey, T. T., Francis, C. L., and McDaniel, E. W., Grout Testing and Characterization for Shallow-Land Burial Trenches at the Idaho National Engineering Laboratory, ORNL/TM-9881 (1986).
4. Tallent, O. K., McDaniel, E. W. and Godsey, T. T., Empirical Equation For Statistical Analysis of Waste Grout Data, Advances In Ceramics, 20, 297 (1987).
5. Tallent, O. K., McDaniel, E. W., Dodson, K. E., and Godsey, T. T., Empirical Correlations from Waste Grout Formulation Data, Nucl. Technol, 79, (1987).
6. Langton, C. A., Personal communication to O. K. Tallent, August 1987.
7. “Measurement of the Leachability of Solidified Low-Level Radioactive Wastes,” Prepared by the American Nuclear Society Standards Committee Working Group ANS-16.1. (June 20, 1984).
8. Roy, D. M. and Idorn, G. M., “Hydration, Structure, and Properties of Blast Furnace Slag Cements, Mortars, and Concrete, ” ACI Journal/November-December 1982, p. 444.
9. Li, Shiquin and Roy, Della M., “Investigation of Relations Between Porosity, Pore Structure, and Cl Diffusion of Fly Ash and Blended Cement Pastes,” Cement and Concrete Research, 16, 749759 (1986).
10. Kalik, R. I. A., Roy, D. M., Bornes, M. W., and Langton, C. A., “Slag Cement-Low Level Waste Forms at the Savannah River Plant,” DP-MS-85−9, DE85 012328, (1985).

Immobilization of Technetium and Nitrate in Cement-Based Materials

  • O. K. Tallent (a1), E. W. McDaniel (a1), G. D. Del Cul (a1), K. E. Dodson (a1) and D. R. Trotter (a1)...

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