Table 1 Separation performance of VSVP process using PDMS membranes with different thicknesses for separating butanol/water solution
Membrane thickness (µm) | Flux (g/m2 h) | Butanol separation factor | Butanol titer in permeate (g/L) | |
|---|---|---|---|---|
Total | Butanol | |||
225 | 45.0 ± 2.7 | 16.6 ± 1.3 | 36.4 ± 2.7 | 339.9 ± 10.7 |
130 | 76.7 ± 3.5 | 26.3 ± 2.0 | 34.1 ± 3.8 | 317.2 ± 16.1 |
100 | 85.5 ± 1.6 | 29.4 ± 1.5 | 34.3 ± 2.5 | 318.4 ± 10.4 |