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http://dx.doi.org/10.5572/KOSAE.2013.29.1.97

Study on Conversion of Carbon Dioxide to Methyl Alcohol over Ceramic Monolith Supported CuO and ZnO Catalysts  

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)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.29, no.1, 2013 , pp. 97-104 More about this Journal
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
Ceramic monolith; CuO-ZnO; Carbon dioxide; Hydrogenation; Methyl alcohol;
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Times Cited By KSCI : 1  (Citation Analysis)
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