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Table 1 Separation performance of VSVP process using PDMS membranes with different thicknesses for separating butanol/water solution

From: A novel close-circulating vapor stripping-vapor permeation technique for boosting biobutanol production and recovery

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