From: Evaluation of sweet potato for fuel bioethanol production: hydrolysis and fermentation
Sweet potato | Dry matter to water ratio (w/v) | Ethanol (g/L) | Glycerol (g/L) | Sugar conversion (%) (*) | Efficiency (%) (¶) | Productivity (g/Lh) | Industrial yield (L ethanol/t sweet potato dry base) (†) | Agroindustrial yield (L ethanol/ha) (#,†) |
---|---|---|---|---|---|---|---|---|
Fresh | 1:2.2 (‡) | 100 ± 11 | 9 ± 1 | 67 ± 7 | 92 ± 1 | 2.1 ± 0.3 | 320 ± 37 | 3170 ± 360 |
1:5 | 63 ± 6 | 8 ± 1 | 88 ± 3 | 82 ± 4 | 2.6 ± 0.3 | 380 ± 34 | 3730 ± 330 | |
1:8 | 45 ± 5 | 8 ± 1 | 100 ± 0 | 84 ± 9 | 3.2 ± 0.4 | 490 ± 54 | 4790 ± 530 | |
Flour | 1:2 | 99 ± 1 | 12 ± 1 | 77 ± 2 | 79 ± 6 | 2.1 ± 0.1 | 305 ± 12 | 2990 ± 120 |
1:3 | 97 ± 5 | 9 ± 1 | 100 ± 0 | 92 ± 5 | 2.7 ± 0.2 | 460 ± 22 | 4490 ± 220 | |
1:5 | 58 ± 1 | 7 ± 1 | 99 ± 2 | 90 ± 1 | 3.6 ± 0.2 | 425 ± 5 | 4170 ± 50 | |
1:8 | 38 ± 4 | 4 ± 1 | 99 ± 0 | 84 ± 8 | 2.5 ± 0.2 | 410 ± 41 | 4020 ± 400 |