Two-Stage Conversion of High Free Fatty Acid <i>Jatropha curcas</i> Oil to Biodiesel Using Brønsted Acidic Ionic Liquid and KOH as Catalysts

<table><sup>13</sup>C NMR spectra of final biodiesel.</table>

The Scientific World Journal

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Figure 6

Figure 6: Two-Stage Conversion of High Free Fatty Acid <i>Jatropha curcas</i> Oil to Biodiesel Using Brønsted Acidic Ionic Liquid and KOH as Catalysts 

The Scientific World Journal

Two-Stage Conversion of High Free Fatty Acid Jatropha curcas Oil to Biodiesel Using Brønsted Acidic Ionic Liquid and KOH as Catalysts

Figure 6