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http://dx.doi.org/10.7316/khnes.2011.22.4.443

Redox Property of the Supported Fe2O3 and WO3 with TPO/TPR  

Kim, Jae-Ho (Hydrogen Energy Research Center, Korea Institute of Energy Research)
Kang, Kyoung-Soo (Hydrogen Energy Research Center, Korea Institute of Energy Research)
Bae, Ki-Kwang (Hydrogen Energy Research Center, Korea Institute of Energy Research)
Kim, Young-Ho (Department of Chemical engineering, Chungnam university)
Kim, Chang-Hee (Hydrogen Energy Research Center, Korea Institute of Energy Research)
Cho, Won-Chul (Hydrogen Energy Research Center, Korea Institute of Energy Research)
Park, Chu-Sik (Hydrogen Energy Research Center, Korea Institute of Energy Research)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.22, no.4, 2011 , pp. 443-450 More about this Journal
Abstract
The three-reactor chemical-looping process (TRCL) for the production of hydrogen from natural gas is attractive for both $CO_2$ capture and hydrogen production. In this study, redox property of $Fe_2O_3$ and $WO_3$ supported with $ZrO_2$ and $MgAl_2O_4$ were studied with temperature programmed oxidation/reduction (TPO/R) experiment. All metal oxides were prepared by ball mill method. Metal oxides supported with $ZrO_2$ showed the good redox property in TPO and TPR tests. Reduction behavior was matched well the theoretical reduction mechanism. Metal oxides supported with $MgAl_2O_4$ formed a solid solution ($MgFe_{0.6}Al_{1.4}O_4$, $MgWO_4$). $Fe_2O_3$ showed more narrow reaction range and lower reaction temperature than $WO_3$.
Keywords
TRCL process(Three-reactor chemical-looping process); TPR; Hydrogen; Metal oxide; Solid solution;
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Times Cited By KSCI : 3  (Citation Analysis)
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