Response Surface Methodology for Biodiesel Production Using Calcium Methoxide Catalyst Assisted with Tetrahydrofuran as Cosolvent

Table 7

Optimum condition of difference catalyst assisted with THF as cosolvent for biodiesel production.

Method	Temperature (°C)	Methanol-to-oil molar ratio	Amount of; catalyst (wt%)	THF in; methanol; (%v/v)	Time; (min)	FAME; Purity (%)
Present work	65°C	11.60 : 1	2.83	8.65	100.14	97.13
Reference work	65°C	12 : 1	5.00	10.00	90.00