Process Optimization for Acid Hydrolysis and Characterization of Bioethanol from Leftover Injera Waste by Using Response Surface Methodology: Central Composite Design

Table 2

The proximate analysis obtained from laboratory.

Proximate analyses
Analyses	Standard	% Wet bases	% Dry bases
Total moisture (wt. %)	ASTMD 3302	12	—
Volatile (wt. %)	ASTMD 3175	73.15	82.15
Ash (wt. %)	ASTMD 3174	0.93	1.1
Fixed carbon (wt. %)	ASTMD 3172	13.92	16.75