Study and optimization of operating conditions for use of sunflower oil in the production of ethyl and methyl biodiesel
https://doi.org/10.37885/240215872
Keywords:
transesterification, optimization, response surfaceAbstract
Objective: In this paper, we study the production of biodiesel from sunflower oil, optimizing the process through the application of a fractional factorial design 26-2 followed by the central composite design (CCD) response surface method. Methods: Transesterification was optimized using ethanol and methanol routes for the following parameters: reaction time, temperature, catalyst concentration, catalyst type, rotation, and alcohol:oil molar ratio. Results: We compared the cost of producing biodiesel using traditional soybean oil with sunflower oil and determined the costs with sunflower oil are less, since the operating conditions are milder for sunflower oil than those used with soybean oil. Conclusions: The optimized conditions were: for ethyl biodiesel, 35 minutes of reaction at a temperature of 308 K, 0.19 % KOH and 260 rpm; for methyl biodiesel, 60 min of reaction at 319 K, 0.42 % KOH and 189 rpm. This information is especially important in order to maintain control over the process.
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Copyright (c) 2024 Douglas Queiroz Santos , Ana Paula de Lima, Milena Laura Soares
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