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Removal of Ethylene Over KMnO4/Silica-alumina: Effect of Synthesis Methods and Reaction Temperatures  

Cho, Min-Whee (Green Chemistry Research Division, KRICT)
Yoon, Songhun (Green Chemistry Research Division, KRICT)
Park, Yong-Ki (Green Chemistry Research Division, KRICT)
Choi, Won Choon (Green Chemistry Research Division, KRICT)
Kim, Hee Young (Green Chemistry Research Division, KRICT)
Park, Seungkyu (Department of Chemical Engineering, Hoseo University)
Lee, Chul Wee (Green Chemistry Research Division, KRICT)
Publication Information
Applied Chemistry for Engineering / v.20, no.4, 2009 , pp. 407-410 More about this Journal
Abstract
18~19 wt% $KMnO_4$/$SiO_2-Al_2O_3$ with Si/Al = 1/5 and 1/10, and 20 wt% $KMnO_4$/$Al_2O_3$ were prepared by solvent evaporation method. Catalytic activity of ethylene abatement over those samples were evaluated and compared under the conditions of GHSV $1125h^{-1}$, ethylene gas (ethylene 0.2%, air 99.8%, relative humidity 50%) at 30, 40, 60 and $120^{\circ}C$ using a fixed-bed reactor. $KMnO_4$/$SiO_2-Al_2O_3$ was showed better performance than $KMnO_4$/$Al_2O_3$ by 170~210% at 30, $40^{\circ}C$, and by 60% at 60, $150^{\circ}C$, respectively.
Keywords
ethylene; adsorption; manganese oxide; silica-alumina; reaction temperature;
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