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Numerical Simulation of Membrane Reactor for Detritiation of Plasma Exhaust Gas

K. Munakata, B. Bornschein, D. Corneli, M. Glugla

Fusion Science and Technology / Volume 48 / Number 1 / July 2005 / Pages 17-22

Technical Paper / Tritium Science and Technology - Tritium Processing, Transportation, and Storage

One of the design targets for the ITER Tokamak Exhaust Processing system is to suppress the loss of tritium to less than 10-5 g/h into the Normal Vent Detritiation System of the Tritium Plant. The plasma exhaust gas, therefore, needs to be processed with an overall tritium removal efficiency of about 108. Such a high decontamination factor can be achieved by multistage processes. The third step of the three step CAPER process developed at the TLK is based on a so-called permeator catalyst (PERMCAT) reactor, a direct combination of a Pd/Ag permeation membrane and a catalyst bed. In this work, a numerical simulation of the PERMCAT reactor was performed and the result was compared with experimental data.

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