Fast Rate Production of Biodiesel from Neem Seed Oil Using a Catalyst Made from Banana Peel Ash Loaded with Metal Oxide (Li-CaO/Fe₂ (SO₄)₃)

Table 3

Fatty acid composition of neem oil.

Fatty acid	Formula	Systematic name	Structure	wt.(%)
Saturated fatty acids
Palmitic	C16H32O2	Hexadecanoic acid	16 : 0	10.92
Stearic	C18H36O2	(E)-9-Octadecenoic acid	18 : 1	19.85
Arachidic	C20H40O2	Eicosanoic acid	20.0	1.35
Lignoceric	C24H48O2	Tetracosanoic acid	24.0	0.26
Total				32.38
Unsaturated fatty acids
Pentadecanoic	C17H34O2	Pentadecanoic acid, 14	17 : 1	2.57
Oleic	C18H34O2	9-Octadecenoic acid	18 : 1	1.82
Linoleic	C18H32O2:	9,12-Octadecadienoic acid	18 : 1	52.51
Linolenic	C18H30O2	9,12-Octadecatrienoic acid	18 : 1	10.71
Total				67.62