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Study on Selective Separation of Tritium Using a Hollow-Filament Type Polyimide Membrane Module — Its Application to Tritium Monitoring in High-Energy Accelerator Facilities

Eriko Tega, Seishi Akahori, Kenji Okuno, Shinichi Sasaki, Takenori Suzuki, Kenjiro Kondo

Fusion Science and Technology / Volume 41 / Number 3P2 / May 2002 / Pages 663-667

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

Possibility of a real-time tritium monitoring in high-energy accelerator facilities is examined using a polyimide hollow-filament type membrane module. Enrichment characteristics of hydrogen isotopes in nitrogen and water in dry-air were measured extensively, and a computer simulation using the simplified model for the gas separation was also performed. The experimental results showed that the polyimide membrane module could enrich significantly hydrogen isotopes and water vapor from nitrogen and dry air. It is concluded from these experimental results that using the membrane module could be useful for the real-time tritium monitoring.

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