황-요오드 열화학 수소 제조 공정에서분젠 반응과 상 분리 비교 (The Comparison of Bunsen Reaction with Phase Separation in Sulfur-Iodine Thermochemical Hydrogen Production Process)

서지정보

· 발행기관 : 한국수소및신에너지학회
· 수록지 정보 : 한국수소및신에너지학회논문집 / 19권 / 2호 / 111 ~ 117페이지
· 저자명 : 이광진, 안승혁, 박주식, 배기광, 김영호

초록

A Bunsen reaction section is a primary stage of Sulfur-Iodine thermochemical hydrogen production cycle. This section is important, because it decides the efficiency of next stages. In order to produce hydrogen very efficiently, the characteristics of Bunsen reaction were investigated via two experimental methods. The one is a phase separation of H2SO4-HI-H2O-I2 mixture system, and the other is a direct Bunsen reaction. The characteristics of each method were investigated and compared. As the result of this study, the amount of HI and I2 in H2SO4 phase via Bunsen reaction was more decreased than that via H2SO4-HI-H2O-I2 mixture system with increasing I2 concentration. However, the amount of H2SO4 in HIx phase via Bunsen reaction was remarkably increased with increasing I2 concentration, while that via H2SO4-HI-H2O-I2 mixture system was decreased. On the other hand, the range of initial composition which is able to separate into two liquid phases without I2 solidification was almost alike.

영어초록

A Bunsen reaction section is a primary stage of Sulfur-Iodine thermochemical hydrogen production cycle. This section is important, because it decides the efficiency of next stages. In order to produce hydrogen very efficiently, the characteristics of Bunsen reaction were investigated via two experimental methods. The one is a phase separation of H2SO4-HI-H2O-I2 mixture system, and the other is a direct Bunsen reaction. The characteristics of each method were investigated and compared. As the result of this study, the amount of HI and I2 in H2SO4 phase via Bunsen reaction was more decreased than that via H2SO4-HI-H2O-I2 mixture system with increasing I2 concentration. However, the amount of H2SO4 in HIx phase via Bunsen reaction was remarkably increased with increasing I2 concentration, while that via H2SO4-HI-H2O-I2 mixture system was decreased. On the other hand, the range of initial composition which is able to separate into two liquid phases without I2 solidification was almost alike.

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