Optimization of biodiesel production from waste cooking oil using waste bone as a catalyst |
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| Authors: | Pirom Suwannasom Rittikrai Sriraksa Panadda Tansupo |
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| Affiliation: | 1. Materials Chemistry Research Unit, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Thailand;2. Department of Chemistry, Faculty of Science and Technology, Rajabhat Mahasarakham University, Thailand |
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| Abstract: | This work determined the association between several parameters of biodiesel production from waste cooking oil (WCO) using waste bovine bone (WBB) as catalyst to achieve a high conversion to fatty acid methyl ester (%FAME). The effect of three independent variables was used as the optimum condition using response surface methodology (RSM) for maximizing the %FAME. The RSM analysis showed that the ratio of MeOH to oil (mol/mol), catalyst amount (%wt), and time of reaction have the maximum effects on the transform to FAME. Moreover, the coefficient of determination (R2) for regression equations was 99.19%. Probability value (P < 0.05) demonstrated a very good significance for the regression model. The optimal values of variables were MeOH/WCO ratio of 15.49:1 mol/mol, weight of catalyst as 6.42 wt%, and reaction time of 128.67 min. Under the optimum conditions, %FAME reached 97.59%. RSM was confirmed to sufficiently describe the range of the transesterification parameters studied and provide a statistically accurate estimate of the best transform to FAME using WBB as the catalyst. |
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| Keywords: | Heterogeneous catalyst optimum conditions transesterification waste bovine bone utilization waste cooking oil |
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