Environmentally Benign Neem Biodiesel Synthesis Using Nano-Zn-Mg-Al Hydrotalcite as Solid Base Catalysts

Table 2

Effect of Zn/Mg/Al molar ratio on product distribution and conversion.

Catalysts	Zn/Mg/Al; molar ratio	Conversion; Wt (%)	Product selectivity Wt (%)
			FAME	Glycerol
HT-1	2 : 2 : 1	32	43.49	23.51
HT-2	2 : 3 : 1	43	65.12	19.88
HT-3	3 : 3 : 1	56	92.5	10.02
HT-4	3 : 5 : 1	49	88.3	6.35

Note: FAME: fatty acid methyl ester.
Temperature: 65°C.
Neem oil: methanol: 10 : 1.
Catalyst weight: 7.5 g.