Presentation Information

5:20 PM - 5:35 PM JST(8:20 AM - 8:35 AM UTC)

[1A13]Design and characterisation of different characteristics of metakaolin-based geopolymer for fuel debris removal:(2) Interaction between metakaolin-based geopolymers and colloids

*Xiaobo Niu¹, Yogarajah Elakneswaran¹, Ryosuke Kikuchi¹, akeshi Osugi², Junya Sato², Yoshihisa Hiraki², Islam Raudhatul Chaerun² (1. Hokkaido University, 2. Japan Atomic Energy Agency)

Keywords:

Waste solidification,Colloid,Metakaolin,Alkali-activated materials,Radionuclide

Within the Fukushima Daiichi Nuclear Power Station PCV, a complex slurry containing fine particles and colloids composed primarily of iron, barium, and carbonates forms amidst the fuel debris and contaminated water. This study systematically evaluated the physicochemical interactions, structural formation behaviour, and impact on solidification performance when incorporating such colloids into metakaolin-based geopolymers.

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