Bioethanol Production from Stalk Residues of Chiquere and Gebabe Varieties of Sweet Sorghum

Table 7

Effect of various factors on ethanol production from Chiquere and Gebabe varieties of sweet sorghum.

Factors		Ethanol concentration (%)
		Chiquere variety	Gebabe variety
Inoculum size (%)	Control (+ve)	21.69 ± 0.58	21.59 ± 0.59
	Control (−ve)	0	0
	5	22.40 ± 0.83	22.17 ± 0.78
	10	21.57 ± 0.42	21.7 ± 0.33
	15	19.8 ± 0.76	19.88 ± 0.18
pH	Control (+ve)	20.65 ± 0.62	20.53 ± 0.60
	Control (−ve)	0	0
	3	19.9 ± 0.43	19.76 ± 0.12
	4	21 ± 0.10	21.71 ± 0.27
	5	20.92 ± 0.25	20.53 ± 0.38
Dilution rate (ml)	Control (+ve)	20.57 ± 0.47	20.99 ± 0.89
	Control (−ve)	0	0
	10	21.46 ± 0.14	21.78 ± 0.33
	20	20.11 ± 0.15	21.29 ± 0.18
	30	19.55 ± 0.41	19.86 ± 0.10

Values are the mean of triplicates. ± indicates standard deviation.