Table 3 Operating conditions of equipment
From: Systematic design of separation process for bioethanol production from corn stover
Equipment | Parameters | Operating conditions |
|---|---|---|
Distillation (case 1) | Reflux ratio | 2.5 |
Distillate rate | 530 kmol/hr | |
Number of stage | 15 | |
Feed stage | 7 | |
Flash (case 2,3) | Temperature | 32 °C |
Pressure | 1 bar | |
Extractive distillation (case 2) | Reflux ratio | 1 |
Distillate rate | 445 kmol/hr | |
Number of stage | 12 | |
Feed stage of crude ethanol | 8 | |
Feed stage of solvent | 4 | |
Solvent | Ethylene glycol | |
Ratio of solvent to feed | 2 | |
Recovery column (case 2) | Reflux ratio | 1 |
Distillate rate | 82 kmol/hr | |
Number of stage | 9 | |
Feed stage | 4 | |
Pervaporation (case 3) | Temperature | 129 °C |
Area of membrane | 1950 m2 |