Reaction mechanism of Wadalite formation process in molten salt treatment

Okumoto, Shunsuke*; Iino, Chiaki*; Oda, Masato*; Muraguchi, Masakazu*; Hayakawa, Kosetsu*; Ishii, Hiroyuki*; Honda, Mitsunori

As part of research and development for environmental restoration of Fukushima, we have conducted study on Cs removal from weathered biotite using molten salt method. 99.9999% or less of Cs removal and formation of crystalline minerals such as ordinary Augite and wadalite were confirmed, but the atomic-level reaction mechanism of the reaction process and products is necessary. In this study, the stable structure of wadalite was investigated using first-principles calculations, and the reaction mechanism was investigated using the obtained stable structure.

Language	:	Japanese
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Meeting title	:	2023年第84回応用物理学会秋季学術講演会
Held date	:	2023/09
Location (city)	:	熊本
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; 福島環境回復; 土壌粘土鉱物; 熱電変換材料
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Registration No. : BB20231125
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