Table 7.
Comparative Fermentation Efficiency (%) and ethanol productivity (ml/kg dry biomass) from steam and DSA pretreated biomass under F-SHF and F-SSF.
Biomass | Steam pretreated |
DSA pretreated |
||
---|---|---|---|---|
F-SHF | F-SSF | F-SHF | F-SSF | |
(a) Fermentation efficiency (%) | ||||
SP peel | 73.44b | 69.53d | 82.69a | 71.03c |
EFY peel | 72.49d | 75.55c | 96.99a | 79.05b |
Tannia peel | 71.58c | 72.01c | 90.64a | 73.52b |
GY peel | 74.39b | 69.62d | 94.26a | 73.30c |
BR peel | 75.04b | 64.59d | 93.69a | 66.63c |
(b) Ethanol productivity (ml/kg dry biomass) | ||||
SP peel | 232.36d (221.01)∗ | 289.67a (276.98) | 283.09b (272.50) | 281.38c (271.02) |
EFY peel | 231.30d (217.98) | 302.11a (290.23) | 282.03c (273.48) | 294.14b (280.94) |
Tannia peel | 223.01c (212.66) | 280.97a (267.32) | 273.66b (263.38) | 272.68b (261.81) |
GY peel | 268.13d (256.20) | 311.62b (301.97) | 318.86a (306.67) | 303.33c (292.56) |
BR peel | 295.28d (281.66) | 318.21b (307.21) | 346.01a (335.48) | 310.24c (298.22) |
Figures in parentheses indicate the recovery through distillation (mean from two replicates); Other values are mean from three replicates; means with different superscripts in each row are significant at p < 0.05.