Journal of Radiation Industry (방사선산업학회지)

Korean Society of Radiation Industry (한국방사선산업학회)
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Development of Cesium-selective Paramagnetic Core Inorganic Composite Agent for Water Decontamination

수질오염 제염을 위한 세슘 선택성 상자성 코어 무기복합제염제 개발

  • Received : 2024.05.16
  • Accepted : 2024.06.12
  • Published : 2024.06.30
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Abstract

Large amounts of liquid radioactive waste or radioactive contaminated water could be produced during the treatment of radiation accidents or during the dismantling and decontamination process of nuclear power plants. Since most of the decontamination agents to date are difficult to recover after adsorption of radioactive isotopes, their use in open environments such as rivers, reservoirs, or oceans is limited. In this study, as a radioactive decontamination agent that can overcome the current limitations when used in an open environment, a paramagnetic core inorganic composite (PMCIC) decomposite agent with high selectivity to cesium ions was developed. PMCore was prepared by synthesizing paramagnetic iron oxide nanoparticles, and inorganic crystals such as metal-ferrocyanide were conjugated to the surface so that PMCore could be selective to cesium ions. The developed PMCIC could be easily recovered from the water by magnetism and could adsorb up to 94 μM of Cs atoms per 1 g of PMCIC.

Keywords

Acknowledgement

본 연구는 과학기술정보통신부 재원으로 한국연구재단의 원자력연구기반확충사업 세부사업인 전략기초사업(2017M2B2A9A 02049742) 및 2023 PM 연구역량 강화지원 사업(202300760001)의 연구지원으로 수행되었습니다.

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