Fluorination method for classification of the waste generated by fuel debris removal, 8; Preparation and analysis of the simulated MCCI products by light-concentrating heating under temperature gradient

Takano, Masahide ; Sudo, Ayako ; Watanabe, Daisuke*

To provide specimens for the fluorination experiment, the simulated MCCI product was prepared from core materials placed on a concrete piece by light-concentrating heating technique under temperature gradient. As a result of analysis on the cross-section, we confirmed that (1) (U, Zr)O $_{2}$ contained small amount of Fe, Cr, Ca and Al, (2) Cr and most part of Fe in stainless steel were oxidized by dehydration of concrete to precipitate as FeCr $_{2}$ O $_{4}$ spinel in the silicate glass.

Language	:	Japanese
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Meeting title	:	日本原子力学会2022年秋の大会
Held date	:	2022/09
Location (city)	:	日立
Location (country)	:	日本
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Keywords	:	Fukushima Daiichi Nuclear Power Station Accident; 福島第一原子力発電所事故; 福島第一原子力発電所; MCCI; 模擬燃料デブリ; 集光加熱
Research Facility	:	第4研究棟
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Registration No. : BB20220365
JAEA Abstracts No. :
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