| J | permeation flux |
| Ji | initial permeation flux |
| α | separation factor |
| XW | water concentration in feed |
| XA | alcohol concentration in feed |
| YW | water concentration in permeate |
| YA | alcohol concentration in permeate |
| J | permeation flux |
| Ji | initial permeation flux |
| α | separation factor |
| XW | water concentration in feed |
| XA | alcohol concentration in feed |
| YW | water concentration in permeate |
| YA | alcohol concentration in permeate |