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Thermochemical hydrogen production IS process

熱化学水素製造法ISプロセス

岩月 仁 ; 久保 真治  ; 笠原 清司  ; 田中 伸幸 ; 野口 弘喜  ; 今井 良行  ; 小貫 薫

Iwatsuki, Jin; Kubo, Shinji; Kasahara, Seiji; Tanaka, Nobuyuki; Noguchi, Hiroki; Imai, Yoshiyuki; Onuki, Kaoru

原子力機構では、高温ガス炉を用いた熱化学法ISプロセス水素製造技術の研究開発を進めている。本報では、ISプロセスの化学反応器,分離器等の機器の健全性評価を焦点に、原子力機構における研究開発の現状について述べる。特に、ISプロセスの過酷なプロセス環境における耐食性の観点から行った候補材料のスクリーニング結果をもとに、ISプロセスにおける機器健全性を確認するため、機器製作及び試験を計画し、ISプロセスプラントを構成する3つの化学反応のうち、ブンゼン反応系における主要機器を製作したことを紹介する。

The Japan Atomic Energy Agency (JAEA) is conducting research and development on nuclear hydrogen production using High Temperature Gas-cooled Reactor and thermochemical water-splitting Iodine-Sulfur (IS) process aiming to develop large-scale hydrogen production technology for "hydrogen energy system". In this paper, the present status of R&D on IS process at JAEA is presented which focuses on examining integrity of such components as chemical reactors, separators, etc. Based on previous screening of materials of construction mainly from the viewpoint of corrosion resistance in the harsh process conditions of IS process, it was planned to fabricate the IS components and examine their integrity in the process environments. At present, among the components of IS process plant consisting of three chemical reaction sections, key components in the Bunsen reaction section was fabricated.

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