Table 1.

Pervaporation properties of SEC_x-PEC-CS_0.8/PAI-SO₂ and CS_0.8-PEC-SEC_x/PAI-SO₂ multilayer films (x = 0.4, 0.8, 1.0) for the separation of two-component liquid mixtures of water/propan-2-ol or water/ethanol.

Entry #	Film Type	Concentration in Feed (X) (wt %)			Concentration in Permeate (Y) (wt %)			T (°C)	SFw	J (kg·m−2·h−1)
		Propan-2-ol	Ethanol	Water	Propan-2-ol	Ethanol	Water
1-1	SEC0.8-PEC-CS0.8/PAI-SO2	20	-	80	20	-	80	40	1	3.9
1-2		80	-	20	1	-	99	40	308	0.9
1-3		>85	-	<15	0	-	100	40	>550,000	<0.3
1-4		100	-	-	100	-	-	40	-	0.01
1-5		-	20	80	-	21	79	40	1	4.5
1-6		-	80	20	-	35	65	40	7	0.1
2-1	CS0.8-PEC-SEC0.8/PAI-SO2	-	18	82	-	17	83	40	1	2.5
2-2		-	96	4	-	83	17	40	5	0.05
3-1	SEC0.4-PEC-CS0.8/PAI-SO2	-	20	80	-	18	82	40	1.2	1.84
3-2		-	96	4	-	18	82	51	108	0.008
4-1	CS0.8-PEC-SEC0.4/PAI-SO2	20	-	80	19	-	81	40	1	3.9
4-2		80	-	20	3	-	97	40	127	0.8
4-3		100	-	-	100	-	-	40	-	0.01
5-1	SEC1.0-PEC-CS0.8/PAI-SO2	-	30	70	-	26	74	40	1.2	7.41
5-2		-	80	20	-	2	98	40	181	0.08
5-3		-	96	4	-	14	86	51	150	0.003
6-1	CS0.8-PEC-SEC1.0/PAI-SO2	80	-	20	2	-	98	40	188	0.7
6-2		100	-	-	100	-	-	40	-	0.007
6-3		-	20	80	-	12	88	40	1.8	1.82
6-4		-	80	20	-	2	98	40	190	0.16
6-5		-	96	4	-	65	35	40	13	0.23

S_F^w, water/alcohol separation factor; J, flux value.