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논문 기본 정보

자료유형
학술저널
저자정보
김형준 (강산 E&C 환경방재사업부) 정호진 (계명대학교)
저널정보
한국수처리학회 한국수처리학회지 한국수처리학회지 제29권 제1호
발행연도
2021.1
수록면
25 - 31 (7page)

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초록· 키워드

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A previously-developed complex of K3[Fe(CN)6] and FeCl3 is a blue-coloured dye known for its effectiveness in removing cesium from the water. However, despite its superior cesium adsorption capacity and high disposal effectiveness, the powdered complex of K3[Fe(CN)6] and FeCl3 also dissolves under water, which makes it difficult to isolate and recover, and as such it accumulates in the hydrosphere, possibly leading to secondary environmental problems. Therefore, in this study, we produce and apply a new adsorbent to the cesium disposal in order to overcome the problems of the powdered complex of K3[Fe(CN)6] and FeCl3. Carbonyl iron, a ferromagnetic substance produced in the manufacturing of pentacarbonyl iron, was selected as the main ingredient of the new compound. The compound is produced through a process of oxidation of its surface with a particle of CI, and a process of silane treatment with the complex of K3[Fe(CN)6] and FeCl3. An X-Ray Diffractometer (XRD) analysis of the surface of the produced compound confirmed its surface being uniformly coated with the complex of K3[Fe(CN)6]와 FeCl3. A batch experiment conducted in order to evaluate cesium disposal capability of the compound granted it a high cesium removal efficiency of 99.5%. With a distribution coefficient value of 113,136 mL/g, the compound can be classified as a high quality absorbent. We believe that the new adsorbent developed in this study can be applied as an economical and environment-friendly viable alternative that can be used to dispose of cesium from the water safely and completely.

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