Chemical form of released tritium from solid breeder materials under the various purge gas conditions

T. Kinjyo, M. Nishikawa, N. Yamashita, T. Koyama, T. Tanifuji, M. Enoeda

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Understanding of the release behavior of bred tritium from solid breeder materials is necessary to design tritium recovery system from blanket of a fusion reactor because permeation loss of bred tritium in the piping system or type of tritium recovery system depends on the tritium release behavior. It has been reported by the present authors that behavior of tritium release from solid breeder grain is consisted of diffusion in grain, tritium transfer at surface layer and surface reactions on grain surface such as adsorption or isotope exchange reactions. Chemical form of released tritium from Li4SiO4 (from FzK), LiAlO2 (from JAERI), Li2TiO3 (from CEA) and Li2ZrO3 (from MAPI) under various purge gas condition is discussed in this study by using the data obtained from the out-of-pile tritium release experiment in JAEA and fitting results estimated by the tritium release model formed by the present authors. And then the tritium release behavior and chemical form of tritium in the test blanket module with solid breeder under the ITER condition is also discussed based on the estimation obtained using the tritium release model.

Original languageEnglish
Pages (from-to)2147-2151
Number of pages5
JournalFusion Engineering and Design
Volume82
Issue number15-24
DOIs
Publication statusPublished - Oct 1 2007

Fingerprint

Tritium
Gases
Recovery
Piping systems
Fusion reactors
Surface reactions
Permeation
Isotopes
Piles

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Chemical form of released tritium from solid breeder materials under the various purge gas conditions. / Kinjyo, T.; Nishikawa, M.; Yamashita, N.; Koyama, T.; Tanifuji, T.; Enoeda, M.

In: Fusion Engineering and Design, Vol. 82, No. 15-24, 01.10.2007, p. 2147-2151.

Research output: Contribution to journalArticle

Kinjyo, T. ; Nishikawa, M. ; Yamashita, N. ; Koyama, T. ; Tanifuji, T. ; Enoeda, M. / Chemical form of released tritium from solid breeder materials under the various purge gas conditions. In: Fusion Engineering and Design. 2007 ; Vol. 82, No. 15-24. pp. 2147-2151.
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