Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT) (방사성폐기물학회지)
- Volume 2 Issue 3
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- Pages.219-230
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- 2004
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- 1738-1894(pISSN)
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- 2288-5471(eISSN)
The Comparison on Treatment Method of Liquid Radioactive Waste in Yonggwang #3&4 and #5&6
영광 3&4와 5&6호기에서 액체 방사성폐기물 처리방법의 비교
- Yeom, Yu-Seon (Chosun University) ;
- Kim, Soong-Pyung (Chosun University) ;
- Lee, Seung-Jin (RadTek, CO., LTD.)
- Published : 2004.09.01
Abstract
Most of the low-level liquid radioactive wastes generated from PWR plants are classified into high or low total suspended solid(HTDS or LTDS), and into radiochemical and radioactive laundry waste. Although the evaporation process has a high decontami- nation ability, it has several problems such as corrosion, foam, and congestion. A new liquid waste disposal process using the ion-exchange demineralizer(IED), instead of the current evaporation process, has been introduced into the Yonggwang NPP #5 and 6. These two methods have been compared to understand the differences in this study. Aspects compared here were the released radioactivity amount of the liquid radioactive wastes, the dose of off-site residents, the decontamination factor, and the amount of the solid radioactive wastes. The IED system is designed to discharge higher radioactivity about 20% than the evaporating system, and the actual radioactivity released from the evaporating and IED system were 0.473mCi and 1.098mCi, respectively. The radioactivity released from the IED was 2.32 times higher than that of the evaporating system. The dose of off-site residents was
Keywords
- ion-exchange demineralizer(IED);
- evaporator;
- liquid radioactive waste;
- dose of off-site residents;
- decontamination factor;
- Treatment