Conditions optimization for obtaining biodiesel from soybean oil using the mixture experimental design.
DOI:
https://doi.org/10.5433/1679-0375.2010v31n1p3Keywords:
Biodiesel, Transesterification, Design of mixture.Abstract
The optimization of the yield of transesterification reaction to obtain the B100 biodiesel has been studied using sodium hydroxide, potassium hydroxide, methoxide and sodium ethoxide as catalysts. We applied a randomized simplex centroid mixture and the results of optimization indicate, when using methanol, a yield of 97.61% when using 30,77% NaOH and 69,23% of sodium methoxide and a yield of 89,32% when using only the sodium ethoxide whit ethanol. Chromatographic analysis indicated that the B100 biodiesel obtained is within the parameters established by Brazilian Legislation.
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