Table 4 Comparison of bioethanol production from various kinds of lignocellulosic biomass at high-solids content
From: Production of high concentrated cellulosic ethanol by acetone/water oxidized pretreated beech wood
Biomass | Solids content (wt%) | Pretreatment method | Enzyme loading (FPU/g DM) | Ethanol concentration (g/L) | Ethanol productivity (g/L·h) | Ethanol yieldf (%) | References |
|---|---|---|---|---|---|---|---|
Beechwood | 20.0 | Acetone/water oxidation | 8.4 | 75.9 | 0.63 | 68.1 | This study |
Bermudagrass | 36.0 | Phosphoric acid–acetone | 25.0d | 56.1 | 0.58 | 65.1 | [53] |
Corncob residue | 20.0 | Dilute acid hydrolysis-alkaline extraction | 15.0 | 75.1 | 1.25 | 89.4 | [54] |
Corn stover | 15.5 | CELFa | 3.1 | 58.8 | 0.49 | 89.2 | [55] |
Corn stover | 20.0 | Steam explosion | 17.7 | 59.8 | 0.31 | 77.2 | [40] |
Corn stover | 24.0 | Acetic acid-catalysed hydrothermal | 17.4 | 41.9 | 0.44 | 51.3 | [16] |
Eastern redcedar | 20.0 | Acid bisulfite | 31.2 | 52.0 | 1.24 | 67.6 | [56] |
Empty palm fruit bunch | 30.0 | Alkali | 15.0 | 62.5 | 0.66 | 70.6 | [57] |
Miscanthus | 25.0 | CHEMETb | 17.0 | 69.2 | 1.24 | 87.2 | [58] |
Rapeseed straw | 16.7 | Dilute acid | 15.0 | 39.9 | 1.67 | 46.7 | [59] |
Reed | 36.0 | Phosphoric acid-acetone | 25.0d | 69.3 | 0.72 | 74.7 | [53] |
Rice straw | 13.8 | Dilute acid-dilute alkali | 30.0 | 58.7 | 0.49 | 73.4 | [60] |
Spruce | 20.0 | –c | 7.5 | 40.0 | 0.42 | 53.0 | [61] |
Sugarcane bagasse | 20.0 | Formiline | 10.0 | 80.0 | 0.55 | 82.7 | [44] |
Sweet sorghum bagasse | 18.0 | Hydrothermal | 20.0 | 47.9 | 2.18 | 70.4 | [17] |
Wheat straw | 25.0 | Steam explosion | 15.0 | 58.6 | 0.73 | 56.9 | [46] |
Wheat straw | 26.0 | Hydrothermal | 7.0e | 58.0 | 0.48 | 75.0 | [19] |