Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Study on Conversion of Carbon Dioxide to Methyl Alcohol over Ceramic Monolith Supported CuO and ZnO Catalysts

세라믹 모노리스에 담지된 CuO와 ZnO계 촉매에 의한 이산화탄소의 메탄올로의 전환에 관한 연구

  • Park, Chul-Min (Department of Chemical Engineering, Sunchon National University) ;
  • Ahn, Won-Ju (Department of Chemical Engineering, Sunchon National University) ;
  • Jo, Woong-Kyu (Department of Chemical Engineering, Sunchon National University) ;
  • Song, Jin-Hun (Department of Chemical Engineering, Sunchon National University) ;
  • Kim, Ki-Joong (School of Chemical, Biological & Environmental Engineering, Oregon State University) ;
  • Jeong, Woon-Jo (OT&T Incorporated) ;
  • Sohn, Bo-Kyun (Department of Bio-environment Science, Sunchon National University) ;
  • Ahn, Byeong Kwon (Department of Environmental Health, Chodang University) ;
  • Chung, Min-Chul (Department of Chemical Engineering, Sunchon National University) ;
  • Park, Kwon-Pil (Department of Chemical Engineering, Sunchon National University) ;
  • Ahn, Ho-Geun (Department of Chemical Engineering, Sunchon National University)
  • 박철민 (순천대학교 공과대학 화학공학과) ;
  • 안원주 (순천대학교 공과대학 화학공학과) ;
  • 조웅규 (순천대학교 공과대학 화학공학과) ;
  • 송진훈 (순천대학교 공과대학 화학공학과) ;
  • 김기중 (오리곤 주립대학교 화학.생명.환경공학부) ;
  • 정운조 ((주)오티앤티) ;
  • 손보균 (순천대학교 생물환경학과) ;
  • 안병권 (초당대학교 환경보건학과) ;
  • 정민철 (순천대학교 공과대학 화학공학과) ;
  • 박권필 (순천대학교 공과대학 화학공학과) ;
  • 안호근 (순천대학교 공과대학 화학공학과)
  • Received : 2012.12.20
  • Accepted : 2013.01.07
  • Published : 2013.02.28
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Abstract

Methyl alcohol is one of the basic intermediates in the chemical industry and is also being used as a fuel additive and as a clean burning fuel. In this study, conversion of carbon dioxide to methyl alcohol was investigated using catalytic chemical methods. Ceramic monoliths (M) with $400cell/in^2$ were used as catalyst supports. Monolith-supported CuO-ZnO catalysts were prepared by wash-coat method. The prepared catalysts were characterized by using ICP analysis, TEM images and XRD patterns. The catalytic activity for carbon dioxide hydrogenation to methyl alcohol was investigated using a flow-type reactor under various reaction temperature, pressure and contact time. In the preparation of monolith-supported CuO-ZnO catalysts by wash-coat method, proper concentration of precursors solution was 25.7% (w/v). The mixed crystal of CuO and ZnO was well supported on monolith. And it was known that more CuO component may be supported than ZnO component. Conversion of carbon dioxide was increased with increasing reaction temperature, but methyl alcohol selectivity was decreased. Optimum reaction temperature was about $250^{\circ}C$ under 20 atm because of the reverse water gas shift reaction. Maximum yield of methyl alcohol over CuO-ZnO/M catalyst was 5.1 mol% at $250^{\circ}C$ and 20 atm.

Keywords

References

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