Permeation Rate of Hydrogen Isotopes through Palladium-Silver Alloy

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Experiments were performed to study the permeation of hydrogen isotopes through a membrane of palladium-silver alloy in the temperature range of 353 to 673 K using the co-current double tube method. It is observed that permeation is limited by the diffusion process of hydrogen atoms in the bulk of membrane in the larger pressure difference range between inner and outer channels. Whereas the recombination reaction of hydrogen atoms on the outer surface of membrane is the rate controlling step in the lower pressure difference range below 10<SUP>3</SUP>Pa. There exists a wide intermediate range where the both processes cannot be ignored. The isotope effect ratio and the separation factor in permeation are also quantified. The permeation behavior of multi-component hydrogen isotopes through membrane of palladium-silver alloy is discussed applying observations in this study.

収録刊行物

  • Journal of nuclear science and technology  

    Journal of nuclear science and technology 33(10), p.774-780, 1996-10-25 

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002075599
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • NDL 記事登録ID
    4079943
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A460
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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