Design and characterisation of different characteristics of metakaolin-based geopolymer for fuel debris removal, 2; Interaction between metakaolin-based geopolymers and colloids

Niu, X.*; Elakneswaran, Y.*; Kikuchi, Ryosuke*; Osugi, Takeshi ; Sato, Junya ; Hiraki, Yoshihisa; Chaerun, R. I.

In the Primary Containment Vessel (PCV) of the Fukushima Daiichi Nuclear Power Plant, fuel debris and contaminated water form a complex slurry that contains fine particles and colloids mainly composed of iron, barium, and carbonates. In this study, the physicochemical interactions, structural formation behaviour, and the effects on solidification performance were systematically evaluated when these colloids were incorporated into metakaolin-based geopolymers.

Language	:	English
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Meeting title	:	日本原子力学会2026年春の年会
Held date	:	2026/03
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; 廃棄物固化; コロイド; メタカオリン; アルカリ活性材料; 放射性核種
Research Facility	:	ENTRY(地層処分基盤研究施設)
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Cooperating Institute	:	北海道大学

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Registration No. : BB20251654
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