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Group UNIFAC specification.
| Component (i) | Name | Main Group | Sec. Group | Rj | Qj |
|---|---|---|---|---|---|
| Acetone (1) | CH3 | 1 | 1 | 0.9011 | 0.848 |
| CH3CO | 9 | 18 | 1.6724 | 1.488 | |
| Butanol (2) | CH3 | 1 | 1 | 0.9011 | 0.848 |
| CH2 | 1 | 2 | 0.6744 | 0.540 | |
| OH | 5 | 14 | 1.0000 | 1.200 | |
| Ethanol (3) | CH3 | 1 | 1 | 0.9011 | 0.848 |
| CH2 | 1 | 2 | 0.6744 | 0.540 | |
| OH | 5 | 14 | 1.0000 | 1.200 | |
| Water (4) | H2O | 7 | 16 | 0.9200 | 1.400 |
(Polling, 2001).
