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J. Korean Ceram. Soc. > Volume 39(6); 2002 > Article
Journal of the Korean Ceramic Society 2002;39(6): 576.
doi: https://doi.org/10.4191/kcers.2002.39.6.576
유도 가열식 저온용융로를 이용한 방사성페기물 유리화: 유리 고화체 특성
김천우, 박은정, 최종락, 지평국, 최관식, 맹성준, 박종길, 신상운, 송명재
한국수력원자력(주) 원자력환경기술원
Radioactive Wastes Vitrification Using Induction Cold Crucible Melter: Characteristics of Vitrified Form
ABSTRACT
In order to simultaneously vitrify the ton Exchange Resin(IER) and Dry Active Waste(DAW) generated from the Nuclear Power Plants, a vitrification pilot test was conducted using an induction cold crucible melter. The PCT result evaluating the chemical durability of the vitrified from showed that the final glass was more durable than the benchmark glass. Liquidus temperature for the final vitrified form was 1048 K(775$^{C}$) fur heat treatment experiments. The value of the compressive strength for the vitrified form was ninety times higher than the regulation limit, 34 kg/㎠. The glasses on bottom, middle and top of the CCM were homogeneous with no secondary phase. The precipitation of the magnetic metal phase was able to be avoided by simultaneously fEeding of DAW with IER containing strongly reducing organics. Volume reduction factor of 74 was achieved through the vitrification Pilot test for mixed waste.
Key words: Vitrification, DAW, IER, PCT, Compressive strength
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