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http://dx.doi.org/10.12925/jkocs.2006.23.1.2

The Transesterification Prediction of Vegetable Oils Based on Viscosity Changes  

Hyun, Young-Jin (Department of Chemical Engineering and Clean Technology, Cheju National University)
Kim, Hae-Sung (Department of Chemical Engineering, Myongji University)
Publication Information
Journal of the Korean Applied Science and Technology / v.23, no.1, 2006 , pp. 12-18 More about this Journal
Abstract
The transesterification of vegetable oils into Biodiesel at $60^{\circ}C$ was performed on the rotary viscometer. The overall yield(%) of fatty acid methyl ester from canola oil at optimum conditions was 95%. The viscosities of fatty acid methyl esters were predicted by Orrick and Erbarr's model. The overall yield increased as the viscosities of fatty acid methyl esters decreased. The limiting molar ratio of methanol to oil appeared to be 1:5. The content of sodium hydroxide as the optimum catalyst appeared to be 0.5wt%.
Keywords
Biodiesel; rotary viscometer; Orrick and Erbarr's model; limiting molar ratio; optimum catalyst;
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