Recent Progress in Waste Treatment Technology for Pyroprocessing at KAERI

서지정보

· 발행기관 : 한국방사성폐기물학회
· 수록지 정보 : Journal of Nuclear Fuel Cycle and Waste Technology / 17권 / 3호 / 279 ~ 298페이지
· 저자명 : 박근일, 전민구, 최정훈, 이기락, 한승엽, 김인태, 조용준, 박환서

초록

This study comprehensively addresses recent progress at KAERI in waste treatment technology to cope with waste produced by pyroprocessing, which is used to effectively manage spent fuel. The goal of pyroprocessing waste treatment is to reduce final waste volume, fabricate durable waste forms suitable for disposal, and ensure safe packaging and storage. KAERI employs grouping of fission products recovered from process streams and immobilizes them in separate waste forms, resulting in product recycling and waste volume minimization.
Novel aspects of KAERI approach include high temperature treatment of spent oxide fuel for the fabrication of feed materials for the oxide reduction process, and fission product concentration or separation from LiCl or LiCl-KCl salt streams for salt recycling and higher fission-product loading in the final waste form. Based on laboratory-scale tests, an engineering-scale process test is in progress to obtain information on the performance of scale-up processes at KAERI.

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