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

  • 제30권3호
  • /
  • Pages.289-295
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  • 2019
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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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배가스 중 CO2 분리/회수로의 응용을 위한 CO2 및 N2 하이드로퀴논 크러스레이트의 형성 거동 연구

Study on Formation Behaviors of Hydroquinone Clathrates with CO2 and N2 for Application to Selective CO2 Separation/Recovery from Flue Gases

  • 이동원 (공주대학교 환경공학과) ;
  • 윤지호 (한국해양대학교 에너지자원공학과) ;
  • 이종원 (공주대학교 환경공학과)
  • LEE, DONGWON (Department of Environmental Engineering, Kongju National University) ;
  • YOON, JI-HO (Department of Energy and Resources Engineering, Korea Maritime and Ocean University) ;
  • LEE, JONG-WON (Department of Environmental Engineering, Kongju National University)
  • 투고 : 2019.05.13
  • 심사 : 2019.06.30
  • 발행 : 2019.06.30
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초록

Effects of various reaction factors such as pressure, time, and temperature on clathrate formation were investigated for hydroquinone with $CO_2$ and $N_2$. Experimental and spectroscopic results indicate that $CO_2$ plays more preferential role in forming hydroquinone clathrates than $N_2$. These results can be used in application of selective $CO_2$ separation from flue gases with the formation of clathrate compounds.

키워드

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Fig. 1. Schematic diagram of the experimental instrument including a high-pressure reactor and a data acquisition computer

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Fig. 2. 13C NMR spectra for the α- and the β-forms of hydroquinone

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Fig. 3. 13C NMR spectra for the hydroquinone samples after the reactions with CO2 gas at 10 bar and 298.2 K

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Fig. 4. 13C NMR spectra for the hydroquinone samples after the reactions with N2 gas at various pressures and 298.2 K for 14 days

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Fig. 5. Pressure changes during the reactions with CO2 gas at various temperature conditions

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Fig. 6. Pressure changes during the reactions with N2 gas at various temperature conditions

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