Abstract

Chemical getters can be used to scavenge hydrogen isotopes from inert gases in HTGRs or fusion reactors. It is necessary that getter materials have a large gas-solid mass transfer capacity coefficient for scavenging hydrogen isotopes from inert gases. Absorption and desorption characteristics of hydrogen isotopes in a titanium sponge bed is examined in this study. Discussions are mainly based on data obtained from breakthrough curves. Experimental results show that the titanium-sponge bed is a good candidate material for scavenging and fixation of tritium from inert gases.

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