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Design and Commissioning of Upgraded Impurity Processing System at the JET Facilities

A. Perevezentsev, A. Bell, P. D. Brennan, C. Gibbons, J. Hemmerich, S. Knipe, R. Stagg, J. Yorkshades

Fusion Science and Technology / Volume 41 / Number 3P2 / May 2002 / Pages 1014-1017

Purification and Chemical Process / Proceedings of the Sixth International Conference on Tritium Science and Technology Tsukuba, Japan November 12-16, 2001 /

The Impurity Processing system of the JET Active Gas Handling System has been upgraded to implement a new catalytic reactor for hydrogen-containing gases, such as hydrocarbons and water, decomposition followed by removal of liberated molecular hydrogen using a palladium permeator. Detritiation of hydrogen-containing species is based on their conversion to molecular hydrogen in the reactions with the carbon-nickel composite. The non-active commissioning of the new modules has been completed.

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