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Table 2 Summary of selection criteria for available LLE data for 2,3-butanediol + water + solvent

From: Purification of 2,3-butanediol from fermentation broth: process development and techno-economic analysis

Solvent Texpt (°C) KD H2O KD 2,3-BDO Selectivity (α) Density (g/mL) Boiling Temp. (°C) Refs.
Ethyl acetate 25 0.17–0.28 0.22–0.63 1.3–2.8 0.897 77.1 [59]
Butyl acetate 25 0.13–0.27 0.56–0.62 2.31–4.26 0.882 126 [60]
1-Butanol 25 0.55–0.82 1.23–1.62 1.51–2.95 0.81 117.7 [61]
Isobutanol 25 0.51–0.66 1.45–1.55 2.27–2.92 0.802 108 [62]
2-Ethyl-1-hexanol 27 0.08–0.52 1.26–1.81 2.41–20.73 0.831 184.6 [63]
Oleyl alcohol 27 0.01–0.37 2.66–6.52 7.24–421.9 0.855 348.02 [64]