Migration of plutonium in a simulated engineered barrier system consisting of waste glass and compacted bentonite

Yaohiro Inagaki, R. Saito, H. Furuya, Kazuya Idemitsu, Tatsumi Arima, T. Banba, T. Maeda, S. Matsumoto, Y. Tamura, S. Kikkawa

研究成果: Contribution to journalConference article査読

2 被引用数 (Scopus)

抄録

In a simulated engineered barrier system consisting of a simulated HLW glass doped with Pu, a compacted bentonite and water under reducing conditions, migration tests of Pu from the glass into the bentonite through water were performed. The following results were obtained: (1) The presence of bentonite enhances the glass dissolution while it has no remarkable influence on the concentration of Pu dissolved species in the solution. (2) Only a small part of the leached Pu, which may correspond to the dissolved species, can diffuse into the bentonite with the apparent diffusion coefficient of 3×10-14 m2/s. (3) Interactions between the glass and the bentonite have no remarkable influence on the diffusion of Pu.

本文言語英語
ページ(範囲)1083-1090
ページ数8
ジャーナルMaterials Research Society Symposium - Proceedings
556
出版ステータス出版済み - 12 1 1999
イベントProceedings of the 1998 MRS Fall Meeting - Symposium 'Scientific Basis for Nuclear Waste Management XXII' - Boston, MA, USA
継続期間: 11 30 199812 4 1998

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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