Applicability Test of Glass Lining Material for High-Temperature Acidic Solutions of Sulfuric Acid in Thermochemical Water-Splitting IS Process

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  • Iwatsuki Jin
    IS Process R&D Group, Hydrogen Application R&D Division, Nuclear Hydrogen and Heat Application Research Center, Japan Atomic Energy Agency
  • Tanaka Nobuyuki
    IS Process R&D Group, Hydrogen Application R&D Division, Nuclear Hydrogen and Heat Application Research Center, Japan Atomic Energy Agency
  • Watanabe Yutaka
    Department of Quantum Science & Energy Engineering, Management of Science & Technology Department, Graduate School of Engineering, Tohoku University
  • Terada Atsuhiko
    IS Process R&D Group, Hydrogen Application R&D Division, Nuclear Hydrogen and Heat Application Research Center, Japan Atomic Energy Agency
  • Onuki Kaoru
    IS Process R&D Group, Hydrogen Application R&D Division, Nuclear Hydrogen and Heat Application Research Center, Japan Atomic Energy Agency

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  • 熱化学水素製造法ＩＳプロセス高温硫酸液相環境におけるグラスライニング材の適用性確認試験
  • ネツ カガク スイソ セイゾウホウ IS プロセス コウオン リュウサン エキソウ カンキョウ ニ オケル グラスライニングザイ ノ テキヨウセイ カクニン シケン

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Abstract

A key issue for realizing the thermochemical IS process for hydrogen production is the selection of materials for working with high-temperature acidic solutions of sulfuric acid and hydriodic acid. Glass lining material is a promising candidate, which is composed of steel having good strength and glass having good corrosion resistance. Since the applicability of glass lining material depends strongly on the service condition, corrosion tests using glass used in glass lining material and heat cycle tests using glass lining piping were carried out to examine the possibility of using the glass lining material with high-temperature acidic solutions of sulfuric acid. It was confirmed that the glass lining materials exhibited sufficient corrosion resistance and heat resistance in high-temperature sulfuric acid of the IS process.

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