Surface decontamination of radioactive metal waste using choline chloride-based deep eutectic solvents염화콜린 기반 천연공융용매를 활용한 방사성 금속 폐기물 표면 제염

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dc.contributor.advisorYim, Man-Sung-
dc.contributor.advisor임만성-
dc.contributor.authorKim, Nayoung-
dc.date.accessioned2023-06-26T19:33:19Z-
dc.date.available2023-06-26T19:33:19Z-
dc.date.issued2022-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=997286&flag=dissertationen_US
dc.identifier.urihttp://hdl.handle.net/10203/309775-
dc.description학위논문(석사) - 한국과학기술원 : 원자력및양자공학과, 2022.2,[iii, 81 p. :]-
dc.description.abstractDuring the operation of nuclear reactors, a large of volume of stainless steel waste is generated, and its decontamination allows an economic disposal of the waste. Removal of radionuclides from the oxide layer of the waste reduces the level of the waste from intermediate level to low level. This can alleviate the limited storage and reduce the cost of waste disposal. Current decontamination agents utilize strong aqueous solvents such as strong acids and complexing agents or non-aqueous solvents such as ionic liquids and molten salts. However, aqueous solvents are concerned by their inherent toxicity. Ionic liquids are too expensive to apply in industrial processes, and molten salts require a high temperature, which is not easy for an industrial application. In this thesis, a decontamination scheme for stainless steel waste using deep eutectic solvents, an inexpensive room-temperature liquid, is studied. Simulated stainless steel specimens are leached in various conditions of deep eutectic solvents to assess the decontamination feasibility. Metal behaviors in the solvents are studied to understand the results and suggest a liquid recycling method for the used liquid.-
dc.languageeng-
dc.publisher한국과학기술원-
dc.titleSurface decontamination of radioactive metal waste using choline chloride-based deep eutectic solvents-
dc.title.alternative염화콜린 기반 천연공융용매를 활용한 방사성 금속 폐기물 표면 제염-
dc.typeThesis(Master)-
dc.identifier.CNRN325007-
dc.description.department한국과학기술원 :원자력및양자공학과,-
dc.contributor.alternativeauthor김나영-
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NE-Theses_Master(석사논문)
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