Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Hydrogen Activation and Carbon Dioxide Decomposition Using An Inorganic Recycling Resource

무기성 순환자원의 수소 활성화 및 이산화탄소 분해

  • Park, Young-Koo (Dept. of Env. Disaster Prevention Eng., Kangwon National University) ;
  • Ko, Jae-Churl (Research Center for Clean Technology, Korea Polytechnic University) ;
  • Jeon, Jae-Youl (Dept. of Env. Disaster Prevention Eng., Kangwon National University) ;
  • Park, Joon-Seok (Dept. of Env. Disaster Prevention Eng., Kangwon National University)
  • 박영구 (강원대학교 환경방재공학과) ;
  • 고재철 (한국산업기술대학교 청정공정&소재연구소) ;
  • 전제열 (강원대학교 환경방재공학과) ;
  • 박준석 (강원대학교 환경방재공학과)
  • Published : 2009.12.31
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Abstract

This research was conducted to estimate the characteristics of carbon dioxide decomposition using an inorganic sludge. The inorganic sludge was composed of high amount (66.8%) of $Fe_2O_3$. Hydrogen could be reduced with 0.247, 0.433, 0.644, and 0.749 at 350, 400, 450, and $500^{\circ}C$, respectively. The carbon dioxide decomposition rates at 250, 300, 350, 400, 450, and $500^{\circ}C$ were 32, 52, 35, 62, 75, and 84%, respectively. High temperature led to high reduction of hydrogen and better decomposition of carbon dioxide. The specific surface area of the sludge after hydrogen reduction was higher than that after carbon dioxide decomposition. The specific surface area of the sludge was more decreased with increasing of temperature.

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