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Experience with Palladium Diffusers in Tritium Processing

E. A. Clark, D. A. Dauchess, L. K. Heung, R. L. Rabun, T. Motyka

Fusion Science and Technology / Volume 28 / Number 3P1 / October 1995 / Pages 566-572

Tritium Processing / Proceedings of the Fifth Topical Meeting on Tritium Technology in Fission, Fusion, and Isotopic Applications Belgirate, Italy May 28-June 3, 1995 / dx.doi.org/10.13182/FST95-A30463

Hydrogen isotopes are separated from other gases by permeation through palladium and palladium-silver alloy diffusers, or permeators, in the Tritium Facilities at the US Department of Energy Savannah River Site (SRS). Diffusers have provided effective service for almost 40 years. This paper is an overview of the operational experience with the various diffuser types that have been employed at SRS. Alternative technologies being developed at SRS for purifying hydrogen isotopes are also discussed.