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http://dx.doi.org/10.4191/KCERS.2003.40.10.936

Glass Formulations for Vitrification of Low- and Intermediate-level Waste  

Kim, Cheon-Woo (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., Ltd.)
Park, Jong-Kil (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., Ltd.)
Ha, Jong-Hyun (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., Ltd.)
Song, Myung-Jae (Nuclear Environment Technology Institute, Korea Hydro & Nuclear Power Co., Ltd.)
Lee, Nel-Son (Idaho National Engineering and Environmental Laboratory Idaho Falls)
Kong, Peter-C. (Idaho National Engineering and Environmental Laboratory Idaho Falls)
Anderson, Gary-L. (Idaho National Engineering and Environmental Laboratory Idaho Falls)
Publication Information
Abstract
In order to develop glass formulations for vitrifying Low-and Intermediate-Level radioactive Wastes (LILW) from nuclear power plants of Korea Hydro & Nuclear Power (KHNP) Co., Ltd., promising glass formulations were selected based on glass property model predictions for viscosity, electrical conductivity and leach resistance. Laboratory measurements were conducted to verify the model predictions. Based on the results, the models for electrical conductivity, US DOE 7-day Product Consistency Test (PCT) elemental release, and pH of PCT leachate are accurate for the LILW glass formulations. However, the model for viscosity was able to provide only qualitative results. A leachate conductivity test was conducted on several samples to estimate glass leach resistance. Test results from the leachate conductivity test were useful for comparison before PCT elemental release results were available. A glass formulation K11A meets all the KHNP glass property constraints, and use of this glass formulation on the pilot scale is recommended. Glass formulations K12A, K12B, and K12E meet nearly all of the processing constraints and may be suitable for additional testing. Based on the comparison between the measured and predicted glass properties, existing glass property models may be used to assist with the LILW glass formulation development.
Keywords
Low- and Intermediate-Level radioactive Waste (LILW); Glass formulation; Viscosity; Electrical conductivity; PCT;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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