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http://dx.doi.org/10.12925/jkocs.2009.26.4.15

Hydrogen Activation and Carbon Dioxide Decomposition Using An Inorganic Recycling Resource  

Park, Young-Koo (Dept. of Env. Disaster Prevention Eng., Kangwon National University)
Ko, Jae-Churl (Research Center for Clean Technology, Korea Polytechnic University)
Jeon, Jae-Youl (Dept. of Env. Disaster Prevention Eng., Kangwon National University)
Park, Joon-Seok (Dept. of Env. Disaster Prevention Eng., Kangwon National University)
Publication Information
Journal of the Korean Applied Science and Technology / v.26, no.4, 2009 , pp. 483-490 More about this Journal
Abstract
This research was conducted to estimate the characteristics of carbon dioxide decomposition using an inorganic sludge. The inorganic sludge was composed of high amount (66.8%) of $Fe_2O_3$. Hydrogen could be reduced with 0.247, 0.433, 0.644, and 0.749 at 350, 400, 450, and $500^{\circ}C$, respectively. The carbon dioxide decomposition rates at 250, 300, 350, 400, 450, and $500^{\circ}C$ were 32, 52, 35, 62, 75, and 84%, respectively. High temperature led to high reduction of hydrogen and better decomposition of carbon dioxide. The specific surface area of the sludge after hydrogen reduction was higher than that after carbon dioxide decomposition. The specific surface area of the sludge was more decreased with increasing of temperature.
Keywords
hydrogen reduction; carbon dioxide decomposition; inorganic sludge; $Fe_2O_3$;
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Times Cited By KSCI : 5  (Citation Analysis)
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