Abstract
The aim of this paper was to study biodiesel production from waste cooking oil using a transesterification method. Optimization was achieved by changing process variables, including the oil:alcohol molar ratio and reaction temperature, to maximize biodiesel yield. Optimum variables were identified using Central Composite Face-Centered Design (CCFD) and Response Surface Methodology (RSM). Furthermore, the synergistic and antagonistic effects among process parameters were analyzed. The optimum temperature for the production of biodiesel was identified at 62.8 °C, and the optimum oil:alcohol ratio was 4.3; the combination of these parameters resulted in the highest theoretical efficiency of 96.08% and desirability of 0.608. After evaluating the experimentally produced biodiesel, the study revealed that waste cooking oil can be used as a potential raw material for the production of biofuel.
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