Abstract
This paper reports on in a three-stage tritium cleanup system in which the gaseous impurities O{sub 2}, N{sub 2}, Co{sub 2}, Co, Ch{sub 4}, NH{sub 3} and H{sub 2}O are removed from a contaminated hydrogen stream. Cleanup is performed with uranium getters which operate at temperatures between 500{degrees}C and 900{degrees}C. In long term experiments carried out in the VERDI test facility a capacity factor of approximately 60% has been achieved so far. The impurities have been retained so far. The impurities have been retained down to values between {lt} 1 ppmv and 10 ppmv. The cleanup system for the Tritium Laboratory Karlsruhe is presently under construction.
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