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http://dx.doi.org/10.9713/kcer.2012.50.4.723

Synthesis of Biodiesel from Soybean Oil over MoO3-SnO2-CeO2 Catalysts  

Jung, Won Young (Department of Chemical Engineering, Pukyong National University)
Lee, Man Sig (Korea Institute of Industrial Technology (KITECH))
Hong, Seong-Soo (Department of Chemical Engineering, Pukyong National University)
Publication Information
Korean Chemical Engineering Research / v.50, no.4, 2012 , pp. 723-728 More about this Journal
Abstract
The production of biodiesel by transesterification of soybean oil was performed on $MoO_3$, $SnO_2$ and $CeO_2$ mixed oxides. The catalysts were characterized using XRD and $NH_3$-TPD. $MoO_3$ showed the highest activity among the three metal oxides. When 7 wt% of catalysts was introduced into the reactants, the highest activity was obtained and the water added to reactant decreased the catalytic activity. $MoO_3$ and $SnO_2$ mixed with 50:50 showed the highest activity and $CeO_2$ added with 20% on the $MoO_3-SnO_2$ mixed oxide also showed the highest activity. The catalytic activity showed to have a good relationship with the amount of acid site of catalysts. When the waste soybean oil was used as a reactant, the conversion was decreased about 30%.
Keywords
Biodiesel; Solid Acid Catalyst; Soybean Oil; $MoO_3$; $MoO_3-SnO_2$; $MoO_3-SnO_2-CeO_2$ Catalyst;
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