2017 Fall Meeting

Presentation information

Oral presentation

IV. Nuclear Fuel Cycle and Nuclear Materials » 405-1 Radioactive Waste Management

[3A11-14] Geopolymer Solidification

Fri. Sep 15, 2017 2:45 PM - 3:45 PM Room A (B11 - B1 Block)

Chair:Tatsuro Matsumura (JAEA)

3:30 PM - 3:45 PM

[3A14] Geopolymer Solidification of Fly Ash with Easily Soluble Cesium Compounds

(4)Influence of Ageing Condition on Chemical Form and Leaching Behavior of Cesium

*Yuta Nakamura1, Masaki Takaoka1, Takahiro Kikuchi2, Yasuhiro Suzuki2, Yasuyuki Ishida3, Takao Ichimura3, Tsutomu Suzuki3 (1. Kyoto Univ., 2. JGC, 3. Taiheiyo Cement)

Keywords:Geopolymer, Fly Ash, Ageing Condition, Chemical Form, Leaching Behavior, Cesium

ジオポリマー固化体作製時の養生条件がジオポリマー固化体の微細構造とセシウム浸出挙動に及ぼす影響を調べた。真空乾燥することで、セシウムの耐浸出性は向上し、チャバザイト化が進行した。