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Radionuclide Retention in Concrete Wasteforms

Description: Assessing long-term performance of Category 3 waste cement grouts for radionuclide encasement requires knowledge of the radionuclide-cement interactions and mechanisms of retention (i.e., sorption or precipitation); the mechanism of contaminant release; the significance of contaminant release pathways; how wasteform performance is affected by the full range of environmental conditions within the disposal facility; the process of wasteform aging under conditions that are representative of proces… more
Date: September 30, 2011
Creator: Bovaird, Chase C.; Jansik, Danielle P.; Wellman, Dawn M. & Wood, Marcus I.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

GROUT HOPPER MODELING STUDY

Description: The Saltstone facility has a grout hopper tank to provide agitator stirring of the Saltstone feed materials. The tank has about 300 gallon capacity to provide a larger working volume for the grout slurry to be held in case of a process upset, and it is equipped with a mechanical agitator, which is intended to keep the grout in motion and agitated so that it won't start to set up. The dry feeds and the salt solution are already mixed in the mixer prior to being transferred to the hopper tank. Th… more
Date: August 30, 2011
Creator: Lee, S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Radionuclide Retention in Concrete Waste Forms

Description: Assessing long-term performance of Category 3 waste cement grouts for radionuclide encasement requires knowledge of the radionuclide-cement interactions and mechanisms of retention (i.e., sorption or precipitation); the mechanism of contaminant release; the significance of contaminant release pathways; how waste form performance is affected by the full range of environmental conditions within the disposal facility; the process of waste form aging under conditions that are representative of proc… more
Date: September 30, 2010
Creator: Mattigod, Shas V.; Bovaird, Chase C.; Wellman, Dawn M. & Wood, Marcus I.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Longevity of Emplacement Drift Ground Support Materials

Description: The purpose of this analysis is to evaluate the factors affecting the longevity of emplacement drift ground support materials and to develop a basis for the selection of materials for ground support that will function throughout the preclosure period of a potential repository at Yucca Mountain. REV 01 ICN 01 of this analysis is developed in accordance with AP-3.10Q, Analyses and Models, Revision 2, ICN 4, and prepared in accordance with the Technical Work Plan for Subsurface Design Section FY 0… more
Date: May 30, 2001
Creator: Tang, D. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Idaho Nuclear Technology and Engineering Center Low-Activity Waste Process Technology Program FY-99 Status Report

Description: The Low-Activity Waste Process Technology Program at the Idaho Nuclear Technology and Engineering Center (INTEC) anticipates that large volumes of low-level/low-activity wastes will need to be grouted prior to near-surface disposal. During fiscal year 1999, grout formulations were studied for transuranic waste derived from INTEC liquid sodium-bearing waste and for projected newly generated low-level liquid waste. Additional studies were completed on radionuclide leaching, microbial degradation,… more
Date: September 30, 1999
Creator: Herbst, A. K.; McCray, J. A.; Kirkham, R. J.; Pao, J. & Hinckley, S. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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