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Diffusive behaviour of HTO, 36Cl−, 35SO42−, and 75SeO32− through compacted FEBEX bentonite: Temperature-dependent transport
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DOI:10.1016/j.apgeochem.2026.106970.png)
Abstract
En 中文
• Apparent diffusion coefficients decrease with increasing dry density. • Diffusion increases with temperature following Arrhenius-type behaviour. • Selenite shows the lowest diffusion due to strong interactions with clay surfaces. • Anion exclusion affects diffusion of Cl−, SO42− and SeO32−.
Keywords:
Radioactive waste
Pore water
Apparent diffusion coefficient
Activation energy
Compaction density
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