熱化学水素製造ISプロセス用水素選択透過膜の開発

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書誌事項

タイトル別名
  • Development of Hydrogen Permselective Membranes for Water Splitting Thermochemical IS Process
  • ネツ カガク スイソ セイゾウ IS プロセス ヨウスイソ センタク トウカマク ノ カイハツ

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説明

Thermochemical water splitting IS process is one of the hydrogen production method. The HI decomposition reaction is one of the key reactions in the IS process. The equilibrium conversion of HI decomposition is about 20% at 400℃. In order to improve the conversion, a membrane reactor with H2 permselective membrane can be applied to the reaction. In this study, a silica hybrid membrane was prepared by using a counter diffusion chemical vapor deposition method. The effects of the deposition conditions on the pore size was discussed. The pore size of the HTMOS derived membrane deposited at 450℃ was evaluated at 0.48 nm indicating that the membrane can be applied for the H2/HI separation. HI permeation tests were performed at room temperature and 400℃ through the HTMOS derived membranes. The H2 permeance was 5.0×10–7 mol m–2 s–1 Pa–1 with the H2/HI selectivity of 6820.

収録刊行物

  • 膜

    膜 41 (3), 108-113, 2016

    日本膜学会

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