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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2003.1
- 수록면
- 627 - 631 (5page)
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초록· 키워드
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The bituminized solid form of the radioactive resin waste has the merit of superior volume reduction rate than the other solid forms. The granular resin waste has to be grinded before bituminization. It is difficult to keep the bituminized solid form for long time due to the lack of stability. In this study, a modified bituminization technology has been developed, which needs no grinding of the granular resin waste, and enables the solid form to keep its shape stability as good as that of a cemented solid form. Also, the study intended to apply the developed technology to the practical treatment of radioactive resin waste. In the experiment, the granular type resin was used and the straight-run distillation bitumen with penetration rate 60/70 was used as the solidifying agent. The PE was used as the additive. The shape stability increased remarkably with the additive of PE, which act as a binder in the solid form. The shape of the solid form was maintained without failure during the long-term exposure test when the additive content of spent PE is more than 10wt %. The compressive strength was 414kPa (60psi). The proper ranges of bitumen content, PE content and operating temperature are 30-50wt%, 10-20wt% and 180℃ respectively. The bituminized solid form of radioactive resin waste by the technology of this study has the remarkably superior quality than the conventional solid forms, partially for the shape stability.
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