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http://dx.doi.org/10.12925/jkocs.2009.26.2.10

The Conversion of Mixed Fat of Beef Tallow and Jatropha Oil into Biodiesel Using Acid / Alkali Catalysts  

Hyun, Young-Jin (Department of Biological and Chemical Engineering, Institute of Advanced Technology Cheju National University)
Publication Information
Journal of the Korean Applied Science and Technology / v.26, no.2, 2009 , pp. 179-185 More about this Journal
Abstract
The esterification of the reactants of Jatropha oil and methanol added by propyleneglycol was done using p-TSA catalyst. And then the emulsification of triglyceride and methanol was conduced by 1.0vol% GMS. The emulsified reactants were transesterified at $65^{\circ}C$ using TMAH and mixed catalyst (50wt%-TMAH+50wt%-NaOH) respectively. The esterification conversion at the 1:8 molar ratio of free fatty acid to methanol using 8.0wt% p-TSA was 94.7% within 80min. The overall conversion at the 1:8 molar ratio of mixed fat(50wt% Beef Tallow) to methanol and $65^{\circ}C$ using mixed catalyst was 95.4% The cloud point of Biodiesel decreased with the addition of petroleum diesel.
Keywords
esterification; p-TSA catalyst; transesterification; esterification; mixed catalyst; mixed fat; cloud point; addition of petroleum diesel;
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