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ISSN : 1738-1894(Print)
ISSN : 2288-5471(Online)
Journal of Nuclear Fuel Cycle and Waste Technology Vol.5 No.1 pp.9-17
DOI :

원자로 냉각재와 방사성폐기물 내 137Cs/60Co 핵종비

Correlation of l37Cs/60Co Activity Ratio in Radwaste with Primary coolant

Kwang Youg Jee, Young Jae Park, Hyung Yeol Pyo, Hong Joo Ahn, Won Ho Kim

Abstract

In order to compare the correlation of radioactivity ratio between the radwaste streams and the primary coolant of PWR NPPs, A RCS sampling kit was installed to primary coolant system for the collection of the radionuclides during the normal operation of NPPs. RCS samples were collected from PWR type of domestic NPPs through 2004 to 2005, and pretreated with acid microwave digestion or leaching method to assay quantitatively of several interesting radionuclides. The radioactivity ratios of in a filter cartridge and a resin cartridge were 2.3E-2 and 7.3E-1, respectively. At a same period of the reactor operating cycle, the radioactivity ratios of were 6.3E-1 for a evaporator bottom, 6.7E-1 for a spent resin, and 5.6E-2 for a dry active waste, so that these radwaste streams were identified as having similar characteristics with the corresponding RCS samples.
RCS Coolan, 60Co, 137Cs, Radionuclide Assay, 1차 냉각재, 60Co, 137Cs, 핵종분석

 

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