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In relation to this article, we declare that there is no conflict of interest.
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Received September 10, 2013
Accepted October 11, 2013
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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The influence of calcination temperature on catalytic activities in a Co based catalyst for CO2 dry reforming

1Research Center for Environmental Resources & Processes, Korea Research Institute of Chemical Technology, Daejeon 305-600, Korea 2Department of Chemical Engineering, Chungbuk National University, Chungbuk 361-763, Korea 3Department of Green Chemistry and Environmental Biotechnology, University of Science and Technology, Daejoen 305-600, Korea
tschang@krict.re.kr
Korean Journal of Chemical Engineering, February 2014, 31(2), 224-229(6), 10.1007/s11814-013-0211-8
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Abstract

The carbon dioxide dry reforming of methane (CDR) reaction could be thermodynamically favored in the range of 800 to 1,000 ℃. However, the catalyst in this reaction should be avoided at the calcination temperature over 800 ℃ since strong metal support interaction (SMSI) in this temperature range can decrease activity due to loss of active sites. Therefore, we focused on optimizing the temperature of pretreatment and a comparison of surface characterization results for CDR. Results related to metal sintering over support, re-dispersion by changing of particle size of metal-support, and strong metal support interaction were observed and confirmed in this work. In our conclusion, optimum calcination temperature for a preparation of catalyst was proposed that 400 ℃ showed a higher and more stable catalytic activity without changing of support characteristics.

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