Saponification of Jatropha curcas Seed Oil : Optimization by D-Optimal Design

الملخص EN

In this study, the effects of ethanolic KOH concentration, reaction temperature, and reaction time to free fatty acid (FFA) percentage were investigated.

D-optimal design was employed to study significance of these factors and optimum condition for the technique predicted and evaluated.

The optimum conditions for maximum FFA% were achieved when 1.75 M ethanolic KOH concentration was used as the catalyst, reaction temperature of 65°C, and reaction time of 2.0 h.

This study showed that ethanolic KOH concentration was significant variable for saponification of J.

curcas seed oil.

In an 18-point experimental design, percentage of FFA for saponification of J.

curcas seed oil can be raised from 1.89% to 102.2%.