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ISSN : 1738-1894(Print)
ISSN : 2288-5471(Online)
Journal of Nuclear Fuel Cycle and Waste Technology Vol.8 No.2 pp.99-105

염화염을 제올라이트와 SAP로 처리한 고화체의 특성연구

A Study on Wasteform Properties of Spent Salt Treated with Zeolite and SAP

Hwan-young Kim, Hwan-Seo Park, Kweon-Ho Kang, Byung-gil Ahn, In-Tae Kim


This paper investigated the characteristics of wasteform containing a spent zeolite used as a separating agent of FPs for recycling LiCl waste which would be generated from pyrochemical process of spent PWR fuel. In this study, a conventional borosilicate and Ca-rich glass were used as a consolidating agent for spent zeolite and it's mixing ratio was changed in the range, 25 35wt%. The leach rates of Cs and Sr had about 0.1 0.01g/m2day and 0.001~ 0.0001g/m2day, respectively. The leach resistance of Cs increased with amount of SAP and it showed about 10 times higher in the Ca-rich glass wasteform than in the conventional borosilciate glass wasteform. The compressive strength of wasteform was affected with the amount of glass. Thermal expansion rate of containing 30wt% glass has relatively lower than others. Also, the melting temperature was little changed in given mixing ratio of glass.




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