Purification of Sulfuric and Hydriodic Acids Phases in the Iodine-sulfur Process

白莹; 张平; 郭翰飞; 陈崧哲; 王来军; 徐景明

doi:10.1016/S1004-9541(09)60049-5

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Purification of Sulfuric and Hydriodic Acids Phases in the Iodine-sulfur Process

Updated：2026-01-06

- Purification of Sulfuric and Hydriodic Acids Phases in the Iodine-sulfur Process
- Purification of Sulfuric and Hydriodic Acids Phases in the Iodine-sulfur Process
- 中国化学工程学报（英文版） 2009年17卷第1期页码：160-166
- Affiliations：
  
  Institute of Nuclear and New Energy Technology, Tsinghua University,Beijing,China,100084
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(09)60049-5
  中图分类号：
- 纸质出版：2009
- Accepted：
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白莹, 张平, 郭翰飞, 等. Purification of Sulfuric and Hydriodic Acids Phases in the Iodine-sulfur Process[J]. 中国化学工程学报（英文版）, 2009,17(1):160-166.

BAI Ying, ZHANG Ping, GUO Hanfei, CHEN Songzhe, WANG Laijun, XU Jingming. Purification of Sulfuric and Hydriodic Acids Phases in the Iodine-sulfur Process[J]. , 2009, 17(1): 160-166.
白莹, 张平, 郭翰飞, 等. Purification of Sulfuric and Hydriodic Acids Phases in the Iodine-sulfur Process[J]. 中国化学工程学报（英文版）, 2009,17(1):160-166. DOI： 10.1016/S1004-9541(09)60049-5.

BAI Ying, ZHANG Ping, GUO Hanfei, CHEN Songzhe, WANG Laijun, XU Jingming. Purification of Sulfuric and Hydriodic Acids Phases in the Iodine-sulfur Process[J]. , 2009, 17(1): 160-166. DOI： 10.1016/S1004-9541(09)60049-5.

摘要

Iodine-sulfur(IS) thermochemical water-splitting cycle is the most promising massive hydrogen production process.To avoid the undesirable side reactions between hydriodic acid(HI) and sulfuric acid(H

)

it is necessary to purify the two phases formed by the Bunsen reaction.The purification process could

be achieved by reverse reaction of the Bunsen reaction.In this study

the purification of the H

and HI Phases was studied.The purification proceeded in both batches and the continuous mode

the influences of operational parameters

including the reaction temperature

the flow rate of nitrogen gas

and the composition of the raw material solutions

on the purification effect

were investigated.Results showed that the purification of the H

phase was dominantly affected by the reaction temperature

and iodine ion in the sulfuric acid phase could be removed completely when the temperature was above 130℃;although

the purification effect of the HI phase improved with increasing of both the flow rate of nitrogen gas and temperature.

Abstract

Iodine-sulfur(IS) thermochemical water-splitting cycle is the most promising massive hydrogen production process.To avoid the undesirable side reactions between hydriodic acid(HI) and sulfuric acid(H

)

it is necessary to purify the two phases formed by the Bunsen reaction.The purification process could be achieved by reverse reaction of the Bunsen reaction.In this study

the purification of the H

and HI Phases was studied.The purification proceeded in both batches and the continuous mode

the influences of operational parameters

including the reaction temperature

the flow rate of nitrogen gas

and the composition of the raw material solutions

on the purification effect

were investigated.Results showed that the purification of the H

phase was dominantly affected by the reaction temperature

and iodine ion in the sulfuric acid phase could be removed completely when the temperature was above 130℃;although

the purification effect of the HI phase improved with increasing of both the flow rate of nitrogen gas and temperature.

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