A METHOD FOR PURIFYING A STREAM OF HYDROGEN ISOTOPES FROM IMPURITIES

摘要

The invention relates to a method for purifying a stream of hydrogen isotopes from impurities by gas-solid exchange reactions, especially for treating the exhaust gases from a fusion reactor by means of adsorbent traps (3, 4) susceptible to adsorb said impurities at low temperature and to release these impurities at higher temperature. According to the invention, between the adsorption phase at low temperature and the release phase at higher temperature, an intermediate phase is installed, also at low temperature, during which an inert gas is fed to the trap for the complete recovery of the hydrogen isotopes adsorbed in the previous adsorption phase.