한국수소및신에너지학회논문집 (Transactions of the Korean hydrogen and new energy society)

  • 제23권5호
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  • Pages.421-428
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  • 2012
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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HIx 용액을 이용한 분젠 반응에서 상 분리 조성에 미치는 SO2-O2 혼합물 기체의 영향

The Effect of SO2-O2 Mixture Gas on Phase Separation Composition of Bunsen Reaction with HIx solution

  • Han, Sangjin (Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University) ;
  • Kim, Hyosub (Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University) ;
  • Ahn, Byungtae (Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University) ;
  • Kim, Youngho (Department of Fine Chemical Engineering and Applied Chemistry, Chungnam National University) ;
  • Park, Chusik (Hydrogen Energy Research Group, Korea Institute of Energy Research) ;
  • Bae, Kikwang (Hydrogen Energy Research Group, Korea Institute of Energy Research) ;
  • Lee, Jonggyu (Energy & Resources Research Department, Research Institute of Industrial Science & Technology)
  • 투고 : 2012.09.27
  • 심사 : 2012.10.26
  • 발행 : 2012.10.31
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초록

The Sulfur-Iodine (SI) thermochemical hydrogen production process is one of the most promising thermochemical water splitting technologies. In the integrated operation of the SI process, the $O_2$ produced from a $H_2SO_4$ decomposition section could be supplied directly to the Bunsen reaction section without preliminary separation. A $HI_x$ ($I_2+HI+H_2O$) solution could be also provided as the reactants in a Bunsen reaction section, since the sole separation of $I_2$ in a $HI_x$ solution recycled from a HI decomposition section was very difficult. Therefore, the Bunsen reaction using $SO_2-O_2$ mixture gases in the presence of the $HI_x$ solution was carried out to identify the effect of $O_2$. The amount of $I_2$ unreacted under the feed of $SO_2-O_2$ mixture gases was little higher than that under the feed of $SO_2$ gas only, and the amount of HI produced was relatively decreased. The $O_2$ in $SO_2-O_2$ mixture gases also played a role to decrease the amount of a impurity in $HI_x$ phase by only striping effect, while that in $H_2SO_4$ phase was hardly affected.

키워드

참고문헌

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피인용 문헌

  1. Effects of Solubility of SO2 Gas on Continuous Bunsen Reaction using HIx Solution vol.27, pp.1, 2016, https://doi.org/10.7316/KHNES.2016.27.1.013