Tritium sorption behavior on the percolation of tritiated water into a soil packed bed

Kazuya Furuichi, Kazunari Katayama, Hiroyuki Date, Toshiharu Takeishi, Satoshi Fukada

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Development of tritium transport model in natural soil is an important issue from a viewpoint of safety of fusion reactors. The spill of a large amount of tritiated water to the environment is a concern accident because huge tritiated water is handled in a fusion plant. In this work, a simple tritium transport model was proposed based on the tritium transport model in porous materials. The overall mass transfer coefficient representing isotope exchange reaction between tritiated water and structural water in soil particles was obtained by numerically analyzing the result of the percolation experiment of tritiated water into the soil packed bed. Saturated hydraulic conductivity in the natural soil packed bed was obtained to be 0.033 mm/s. By using this value, the overall mass transfer capacity coefficients representing the isotope exchange reaction between tritiated water percolating through the packed bed and overall structural water on soil particles was determined to be 6.0 × 10−4 1/s. This value is much smaller than the mass transfer capacity coefficient between tritiated water vapor and water on concrete material and metals.

Original languageEnglish
Pages (from-to)1371-1375
Number of pages5
JournalFusion Engineering and Design
Volume109-111
DOIs
Publication statusPublished - Jan 1 2016

Fingerprint

Tritium
Packed beds
Sorption
Soils
Water
Mass transfer
Isotopes
Fusion reactors
Hydraulic conductivity
Steam
Hazardous materials spills
Water vapor
Porous materials
Accidents
Fusion reactions
Metals
Concretes

All Science Journal Classification (ASJC) codes

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

Cite this

Tritium sorption behavior on the percolation of tritiated water into a soil packed bed. / Furuichi, Kazuya; Katayama, Kazunari; Date, Hiroyuki; Takeishi, Toshiharu; Fukada, Satoshi.

In: Fusion Engineering and Design, Vol. 109-111, 01.01.2016, p. 1371-1375.

Research output: Contribution to journalArticle

Furuichi, Kazuya ; Katayama, Kazunari ; Date, Hiroyuki ; Takeishi, Toshiharu ; Fukada, Satoshi. / Tritium sorption behavior on the percolation of tritiated water into a soil packed bed. In: Fusion Engineering and Design. 2016 ; Vol. 109-111. pp. 1371-1375.
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