Fe-silicate and -carbonate formations at C-steel – compacted bentonite interface hinders buffer degradation in high-level radioactive waste disposal

Ryosuke Kikuchi

Presentation information

Oral Session

E-4: Radioactive waste disposal: geological, hydrogeological and geochemical aspects.

Sat. Aug 19, 2023 9:00 AM - 12:15 PM ROOM1 (Exhibition Hall 1-A)

Chairman:Tsutomu Sato(Hokkaido University)、Yuichi Niibori(Tohoku University)、Jordi Cama(Institute of Environmental Assessment and Water Research)

9:45 AM - 10:00 AM

[OE4-03] Fe-silicate and -carbonate formations at C-steel – compacted bentonite interface hinders buffer degradation in high-level radioactive waste disposal

*Ryosuke Kikuchi¹, Tatsuya Fujimura², Tsutomu Sato¹, Tsubasa Otake¹, Yoko Ohtomo¹, Takahiro Goto³, Satoru Suzuki³, Naoki Taniguchi⁴, Hiroyuki Suzuki⁴ (1. Faculty of Engineering, Hokkaido University (Japan), 2. Graduate School of Engineering, Hokkaido University (Japan), 3. Nuclear Waste Management Organization of Japan (Japan), 4. Japan Atomic Energy Agency (Japan))

Keywords:Iron-clay, Geological disposal, Smectite, Carbonate

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