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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.3
- 수록면
- 89 - 93 (5page)
- DOI
- 10.23042/radin.2024.18.1.89
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초록· 키워드
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Accidents at nuclear facilities and nuclear power plants led to leaks of large amounts of radioactivesubstances. Of the various radioactive nuclides released, 137Cs are radioactive substances generated during the fissionof uranium. Therefore, due to the high fission yield (6.09%), strong gamma rays, and a relatively long half-life (30years), a rapid and efficient removal method and a study of adsorbents are needed. Accordingly, an adsorbent wasprepared using Prussian blue (PB), a material that selectively adsorbs radioactive cesium. As a result of evaluatingthe adsorption performance with the prepared adsorbent, it was confirmed that 82% of the removal efficiency wasobtained, and most of the cesium was rapidly adsorbed within 10 to 15 minutes. The purpose of this study was to adsorbcesium using the Prussian blue alginate bead and to compare the change in detection efficiency according to theamount of adsorbent added for quantitative evaluation. However, in this case, it is difficult to determine the detectionefficiency using a standard source with the same conditions as the measurement sample, so the efficiency change ofthe HPGe detector according to the different heights of Prussian blue was calculated through MCNP simulation usingcertified standard materials (1 L, Marinelli beaker) for radioactivity measurement. It is expected to derive a relationalequation that can calculate detection efficiency through an efficiency curve according to the volume of Prussian blue,quantitatively evaluate the activity at the same time as the adsorption of radioactive nuclides in actual contaminatedwater and use it in the field of nuclear facility operation and dismantling in the future.
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