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

Table 4 Comparison of pervaporation and VSVP process for butanol recovery from butanol/water solution

Method/membrane used	Butanol titer (g/L)		Flux (g/m² h)		Butanol separation factor	Temperature (feed solution, membrane), (°C)	References
Method/membrane used	Feed	Permeate	Total	Butanol	Butanol separation factor	Temperature (feed solution, membrane), (°C)	References
PV/PDMS	15.0	216.5	287.3	62.2	19.3	80, 80	[31]
PV/PDMS	10	307.9	80	26.5	49	78, 78	[32]
PV/PDMS^a	19.9	361.7	132	52.1	32	37, 37	[22]
PV/PDMS^a	34.7	365.9	~ 2260	~ 904	22	50, 50	[34]
PV/PDMS^a	9.98	~ 293.4	159.6	48.4	43.1	30, 30	[23]
PV/PDMS^a	15.0	325.5	769.6	249	35.2	80, 80	[31]
VSVP^b/PMP	9.98	340.6	42	12.5	58.1	35, 35	[28]
VSVP^b/PTMSP	9.98	262.8	120	33.6	38.5	35, 35	[28]
VSVP/PDMS	15.0	344.0	90.3	33.8	39.1	37, 37	This study
VSVP/PDMS	15.0	591.2	117.7	80.7	142.7	70, 0	This study

ISSN: 2731-3654