Table 1 The methodology for dehydration process
From: Systematic design of separation process for bioethanol production from corn stover
Method for producing anhydrous ethanol | Recommended values for separation feasibility indices | Ratio of properties for Ethanol/Water |
|---|---|---|
Molecular sieve | Kinetic diameter = 1.05 | – |
Van der Waals volume = 1.07 | 1.71 | |
Polarizability = 1.08 | – | |
Dipole moment = 1.05 | 1.09 | |
Extractive distillation | Vapor pressure = 0.00 | 2.49 |
Boiling point = 0.00 | 1.28 | |
Pervaporation | Molar volume = 3.20 | 3.23 |
Solubility parameter = 1.90 | – |