A Laboratory investigation of microbial degradation of simulant fuel debris by oxidizing microorganisms

Liu, J. ; Dotsuta, Yuma; Kitagaki, Toru ; Kozai, Naofumi ; Yamaji, Keiko*; Onuki, Toshihiko

To decommission the Fukushima Daiichi Nuclear Power Plant (FDNPP), it is necessary to estimate the current status of fuel debris and predicate the possible change under various condition. Some microorganisms may enter the plant due to the seawater injection after accident and future defueling activity. In this study, microbial influence on fuel debris under aerobic condition was experimentally investigated. By culturing some bacteria in the presence of simulant fuel debris in liquid medium, the microbial degradation of fuel debris was observed.

Language	:	English
Journal	:	Proceedings of International Topical Workshop on Fukushima Decommissioning Research (FDR 2019) (Internet)
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Pages	:	2 Pages
Publication Year/Month	:	2019/05
Meeting title	:	International Topical Workshop on Fukushima Decommissioning Research (FDR 2019)
Held date	:	2019/05
Location (city)	:	Naraha
Location (country)	:	Japan
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Keywords	:	fuel debris; microbial degradation; microorganisms; iron; zirconium; 福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
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Article of JAEA R&D Review	:
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Registration No. : BB20190067
JAEA Abstracts No. : 47001274
Paper Submission No. : 21910

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