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

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

Solvent	T_expt (°C)	K_D H₂O	K_D 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]

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