Adsorption and Exchange Reaction of Hydrogen Isotopes on Solid Breeding Materials

S. Tanaka; A. Kawamoto; K. Yamaguchi; M. Yamawaki; H. Mohri; T. Terai; Y. Takahashi

doi:dx.doi.org/10.13182/FST88-A25235

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Adsorption and Exchange Reaction of Hydrogen Isotopes on Solid Breeding Materials

S. Tanaka, A. Kawamoto, K. Yamaguchi, M. Yamawaki, H. Mohri, T. Terai, Y. Takahashi

Fusion Science and Technology / Volume 14 / Number 2P2A / September 1988 / Pages 816-821

Tritium Properties and Interactions with Material / Proceedings of the Third Topical Meeting on Tritium Technology in Fission, Fusion and Isotopic Applications (Toronto, Ontario, Canada, May 1-6, 1988) / dx.doi.org/10.13182/FST88-A25235

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As basic studies for clarifying tritium migration and inventory in the solid blanket of fusion reactor, following experimental works have been performed: (1)Sorption (adsorption and absorption) of water vapor on/in the particle of Li₂O and LiAlO₂ was studied by the breakthrough method. Effects of water vapor pressure, temperature, particle size and bulk density were investigated. Dissociative adsorption on the surface of grain was considered to occur. (2)Exchange reaction between sorbed tritiated water on the surface of Li₂O and H₂ gas was studied. HT was found to be produced by exchange reaction.