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

Table 4

Fatty acid composition of final biodiesel.

FAMEs composition	Structure	Fatty acids (wt%)
Methyl palmitate	C16:0	16.08
Methyl palmitoleate	C16:1	0.77
Methyl stearate	C18:0	11.04
Methyl cleate	C18:1	46.50
Methyl linoleate	C18:2	25.61