Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Enhancement of carbon dioxide absorption rate with metal nano particles

금속 나노입자를 이용한 이산화탄소 흡수 속도 촉진

  • Choi, Young Ju (Green Energy Process Laboratory, Korea Institute of Energy Research) ;
  • Youn, Min Hye (Green Energy Process Laboratory, Korea Institute of Energy Research) ;
  • Park, Ki Tae (Green Energy Process Laboratory, Korea Institute of Energy Research) ;
  • Kim, In Ho (Department of Chemical Engineering, Chungnam National University) ;
  • Jeong, Soon Kwan (Green Energy Process Laboratory, Korea Institute of Energy Research)
  • 최영주, (한국에너지기술연구원 그린에너지공정연구실) ;
  • 윤민혜 (한국에너지기술연구원 그린에너지공정연구실) ;
  • 박기태 (한국에너지기술연구원 그린에너지공정연구실) ;
  • 김인호 (충남대학교 화학공학과) ;
  • 정순관 (한국에너지기술연구원 그린에너지공정연구실)
  • Received : 2015.09.24
  • Accepted : 2015.10.08
  • Published : 2015.10.31
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Abstract

With increasing concern about global warming, CCS (Carbon dioxide capture and storage) has attracted much attention as a promising technology for reducing $CO_2$ emission. It is necessary to develop the cost-effective absorbents materials in order to rapid commercialize CCS technologies. In this work, he study for the promotion of absorption rate in $CO_2$ capture system using metal nanoparticle were investigated. Three kinds of metal nanoparticle, cobalt, zinc, and nickel, were prepared by wet and dry method and effect of preparation method on the absorption rate of $CO_2$ were compared. Among the tested using pH method, nickel nanoparticle prepared by wet method showed the most significant improvement of $CO_2$ absorption rate. In case that metal nanoparticle is applied to CCS process, it is expected to be more efficient in $CO_2$ capture process due to reduce the size of absorption tower.

지구온난화 방지를 위해 이산화탄소를 제거하는 다양한 방법 중 이산화탄소 포집 및 저장 기술이 가장 유망한 기술로 부각되고 있다. 이산화탄소 포집 및 저장기술이 상용화되기 위해서는 저가의 효율적인 흡수제 개발이 필수적이다. 본 연구에서는 금속 나노입자를 이용하여 이산화탄소 흡수속도를 촉진하는 연구를 수행하였다. 코발트, 아연, 니켈의 세 가지 금속나노입자를 합성하였으며 나노입자 합성 방법 중 습식법과 건식법에 의한 영향을 비교 분석하였다. pH 변화를 이용한 이산화탄소 흡수 속도 측정 결과 습식법으로 제조한 니켈 금속나노입자가 가장 우수한 이산화탄소 흡수 속도 촉진효과를 보였다. 금속 나노입자를 이산화탄소 포집공정에 적용할 경우 흡수탑의 크기를 작게 하여 경제적인 공정 구현이 도움이 될 것으로 기대된다.

Keywords

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