(A) study on the Near-surface disposal of PEACER transmutation reactor waste = PEACER 핵변환로 발생 폐기물의 천층처분에 관한 연구

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The spent fuel of current nuclear reactors is one of challenging issues for the continuous utilization of nuclear power. As a technical solution, deep geological disposal and partitioning & transmutation (P&T) technology have been studied for decades. During the study of P&T technology, concept of LLW generation through the P&T by separation of high heat-load and activity FP has been previously proposed. A study on the PEACER transmutation reactor and pyroprocess-based partitioning system in Korea are suggested with the concept of converting all the spent fuel from PWR into LLW disposable to near-surface disposal facility. In this study, the feasibility of near-surface disposal for waste from PEACER & pyroprocessing is evaluated in the view point of decontamination factor (DF) applied to pyroprocessing and risk-based waste classification system. For the study, waste characteristics and mass balance from PWR and PEACER is predicted. Waste acceptance criteria of disposal facility are derived by considering domestic scenarios and facility. The effect of important parameter, especially, waste isolation period and waste stabilization, is considered. It is concluded that the feasibility of near-surface disposal for waste from PEACER and pyroprocessing system strongly depends on the decontamination factor and the long-term waste isolation period and more stable waste stabilization than by commercial concrete material are required to reduce acceptable DF value.
Advisors
Lee, Kun-Jairesearcher이건재researcher
Description
한국과학기술원 : 원자력및양자공학과,
Publisher
한국과학기술원
Issue Date
2005
Identifier
243647/325007  / 020033679
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 원자력및양자공학과, 2005.2, [ vi, 53 p. ]

Keywords

Decontamination Factor; near-surface disposal; PEACER; Pyroprocessing; 폐기물 수용기준한 구조물 제작 주제어실; 건식공정; 제염계수; 천층처분; Waste acceptance criteriatrol rooms

URI
http://hdl.handle.net/10203/49491
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=243647&flag=dissertation
Appears in Collection
NE-Theses_Master(석사논문)
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