Recovery method | Butanol in broth (g/L) | Solvent in condensate (g/L) | Butanol separation factor | A/E/W composition (g/g-butanol)c | Temperature, (broth/feed, condensation), (°C) | Energy required (kJ/g-butanol)e | References | |
---|---|---|---|---|---|---|---|---|
Butanol | ABE | |||||||
PV | 2.7–10.1 | 35–64 | 63–117 | 13.7–15.7 | 0.69/0.13/16.6 | 35, − 2 | 85.0 | [39] |
PV | 3.2–6.8 | ~ 60.7 | ~ 74.1 | 7–19 | 0.19/0.02/15.0 | 36, 0d | 76.4 | [40] |
GS | 6.0–12.4 | 115–160 | 140–195 | 15.8–22.2 | 0.23/0.04/6.20 | 37, 1 | 32.6 | [42] |
GS | 8–13 | 150.5 | 195.9 | ~ 17.4 | 0.26/0.04/5.12 | 37, 2 | 27.3 | [13] |
GS–GSa | 3.5–14.6 | 175.6 | 227.0 |  | 0.24/0.05/4.18 | 37, 2 | 22.6 | [4] |
 |  | 420.3 | 593.2 | – | 0.15/0.03/0.60 | 37, 2 | 3.9 | |
GS–PVa | 7.7–14.2 | 155.6 | 199.9 |  | 0.23/0.05/4.92 | 37d, 2 | 26.2 | [41] |
 |  | 521.3 | 622.9 | 97.8 | 0.13/0.01/0.32 | 80, − 196 | 5.2 | |
GS–PVb | 10–12 | 108.3 | 177.6 |  | 0.44/0.19/7.37 | 37, − 5 | 39.0 | [17] |
 |  | 482.6 | 706.7 | 76.8–92.3 | 0.33/0.10/0.41 | ~25, − 196 | 5.1 | |
VSVP | 7.0–11.4 | 212.7 | 339.3 | 27.8–29.0 | 0.56/0.02/2.88 | 37, − 196 | 19.6 | This study |