Effect of sulfuric acid on electro-electrodialysis of HIx solution

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• 作者：N. Tanaka ; K. Onuki ; S. Kubo
• 关键词：Electro-electrodialysis ; HIx solution ; Iodine&ndash ; sulfur process ; Hydrogen production ; Thermochemical water-splitting cycle
• 刊名：International Journal of Hydrogen Energy
• 出版年：2 January, 2014
• 年：2014
• 卷：39
• 期：1
• 页码：86-89
• 全文大小：370 K

文摘

The effect of sulfuric acid on the concentration of HIx solution by electro-electrodialysis (EED) was examined for the thermochemical water-splitting iodine-sulfur process. Presence of sulfuric acid in the anolyte HIx solution did not affect the concentration behavior. However, sulfuric acid in the catholyte solution caused side reaction(s) producing whitish precipitates, which indicates that the sulfur compound should be removed prior to the EED operation.