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in creator/contributor: "Devaney, H.E."  
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FUETAP (formed under elevated temperatures and pressures) concretes as hosts for radioactive wastes

Description: Cementitious solids formed at less than or equal to 250/sup 0/C and less than or equal to 1000 psi offer excellent possibilities as hosts for radioactive wastes. Preliminary results are presented on the effect of mix composition, temperatre, and pressure on the physical properties of the resulting solids. Initial leach results are encouraging in the assessment of the ability of these FUETAP concretes to isolate radionuclides from the environment.
Date: January 1, 1979
Creator: Moore, J. G.; Rogers, G. C.; Paehler, J. H. & Devaney, H. E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Strontium leachability of hydrofracture grouts for sludge-slurries

Description: A series of experiments to determine the strontium leachability of cement-based sludge-slurry hydrofracture grouts is summarized. The hydrofracture process has been used at ORNL since 1966 for the routine disposal of intermediate-level waste (ILW) solutions. In this process, cement and other additives are mixed with a waste stream to form grout, which is then injected into a shale bed at a pressure sufficient to cause fracturing along the horizontal bedding planes. This injected grout soon hard… more
Date: January 1, 1982
Creator: Morgan, M. T.; McDaniel, E. W.; Moore, J. G.; Devaney, H. E. & Dole, L. R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Disposal of Iodine-129

Description: One of the problems to be solved in the nuclear waste management field is the disposal of radioactive iodine-129, which is one of the more volatile and long-lived fission products. Studies have shown that fission products can be fixed in concrete for permanent disposal. Current studies have demonstrated that practical cementitious grouts may contain up to 18% iodine as barium iodate. The waste disposal criterion is based on the fact that harmful effects to present or future generations can be a… more
Date: January 1, 1978
Creator: Morgan, M. T.; Moore, J. G.; Devaney, H. E.; Rogers, G. C.; Williams, C. & Newman, E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Fixation of Radioactive Wastes in Concretes and Cementitious Grouts

Description: An investigation is in progress to develop concretes to immobilize radioactive wastes; for example, /sup 129/I may be isolated from the environment as barium iodate in concrete. Leach studies of various isotopes (I, Cs, Sr, Cm, and Pu) fixed in concrete show that the leach rates are essentially diffusion controlled. Comparison of long-term extrapolated values has indicated that cementitious grouts can have leach rates similar to those obtained from borosilicate glasses. (2 figs., 5 tables)
Date: January 1, 1978
Creator: Moore, J. G.; Devaney, H. E.; Godbee, H. W.; Morgan, M. T.; Rogers, G. C.; Williams, C. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Cementitious Radioactive Waste Hosts Formed Under Elevated Temperatures and Pressures (FUETAP Concretes)

Description: Concretes formed under elevated temperatures and pressures (FUETAP concretes) are effective hosts for transuranic (TRU) and high-level defense and commercial wastes.
Date: January 1, 1981
Creator: Dole, L. R.; Moore, J. G.; Rogers, G. C.; West, G. A.; Devaney, H. E.; Morgan, M. T. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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