Static analysis of the thermochemical hydrogen production IS process for assessment of the operation parameters and the chemical properties

Seiji Kasahara, Kaoru Onuki, Mikihiro Nomura, Shin Ichi Nakao

研究成果: Article

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A sensitivity analysis of the operation parameters and the chemical properties in the thermochemical hydrogen production IS process (iodine-sulfur process) was carried out for a static flow sheet. These parameters were evaluated by hydrogen production thermal efficiency, the mass flow rate or heat exchange based on the heat/mass balance. The most important parameters were the concentration of HI after electro-electrodialysis (EED) and the apparent transport number of protons of the cation exchange membrane in the EED cell. HI concentration operation should be operated carefully because the parameters for optimum thermal efficiency and for the optimum flow rate and heat exchange were different. For the chemical properties, composition at the inlet of the HI decomposition procedure and HIx pseudoazeotropic composition had great effects. The HI concentration after the EED should be optimized for each composition. The order of priority for the assessment of the operation parameters and chemical properties was determined by the evaluation.

元の言語English
ページ(範囲)559-568
ページ数10
ジャーナルJournal of Chemical Engineering of Japan
39
発行部数5
DOI
出版物ステータスPublished - 2006 5 20

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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