Amalgamation and Optimization of FAEE Biodiesel Fuel from Croton macrostachyus hochst. ex Delile Seed oil Utilizing Solid Calcium Oxide-Chicken Eggshell Squander as a Heterogeneous Catalyst

Table 1

Experimental work design for four factors.

Process variables	Symbols	Lower limit	Higher limit
Reaction temperature ()	A	60	80
Ethanol to oil ratio (v/v)	B	9	12
Reaction time (hr.)	C	0.75	2
Catalyst load (wt.%)	D	2	6