Table 11 Main data for second generation ethanol production
From: Bioelectricity versus bioethanol from sugarcane bagasse: is it worth being flexible?
Main data used in the simulation | Value | Unit |
|---|---|---|
Pretreatment | ||
Pressure | 2 | Bar |
Temperature | 121 | °C |
Cellulose to glucose conversion | 8.0 | % |
Hemicellulose to xylose conversion | 74.0 | % |
Solid/liquid ratio | 0.2 | |
Acid solution concentration | 3 | wt% |
Volumetric power (mixing)a | 342 | W/m3 |
Space-time | 40 | min |
Reactor volume | 182 | m3 |
Pre-hydrolysis | ||
Cellulose to glucose yield | 20 | % |
Solid/liquid ratio | 0.2 | |
Enzyme/Cellulose ratio | 67.34 (20) | g/kg (FPU/g) |
Space-time | 18 | h |
Temperature | 50 | °C |
Hydrolysis | ||
Cellulose to glucose yield | 65 | %, w/w |
Solid/liquid ratio | 0.178 | |
Volumetric power (mixing) a | 302.5 | W/m3 |
Enzyme/Cellulose ratio | 67.34 (20) | g/kg (FPU/g) |
Space-time | 54 | h |
Temperature | 50 | °C |
C5 Fermentation | ||
Xylose to ethanol yield | 70 | %, w/w |
Temperature | 30 | °C |
Space-time | 9 | h |