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http://dx.doi.org/10.12925/jkocs.2016.33.2.401

Effect of Pt-Sn/Al2O3 catalysts mixed with metal oxides for propane dehydrogenation  

Jung, Jae Won (Dept. of Biomolecular Chemical Engineering, Hankyong National University)
Koh, Hyoung Lim (Dept. of Chemical Engineering, Hankyong National University)
Publication Information
Journal of the Korean Applied Science and Technology / v.33, no.2, 2016 , pp. 401-410 More about this Journal
Abstract
The $Pt-Sn/Al_2O_3$ catalysts mixed with metal oxides for propane dehydrogenation were studied. $Cu-Mn/{\gamma}-Al_2O_3$, $Ni-Mn/{\gamma}-Al_2O_3$, $Cu/{\alpha}-Al_2O_3$ was prepared and mixed with $Pt-Sn/Al_2O_3$ to measure the activity for propane dehydrogenation. As standard sample, $Pt-Sn/Al_2O_3$ catalyst mixed with glassbead was adopted. In the case of catalytic activity test after non-reductive pretreatment of catalyst and metal oxide, $Pt-Sn/Al_2O_3$ mixed with $Cu-Mn/{\gamma}-Al_2O_3$ showed higher conversion of 15% and similar selectivity at $576.5^{\circ}C$, compared to conversion of 8% in standard sample. In the case of catalytic activity test after reductive pretreatment of catalyst and metal oxde, $Cu/{\alpha}-Al_2O_3$ showed higer yield than standard sample. But, increase of yield of most of samples after reductive pretreatment was not significant, so it was found that lattice oxygen of $Cu-Mn/{\gamma}-Al_2O_3$ is effective to propane dehydrogenation.
Keywords
Propane dehydrogenation; Metal oxide; Platinum catalyst; Propylene; lattice oxygen;
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