Measurement of Membrane Characteristics Using the Phenomenological Equation and the Overall Mass Transport Equation in Ion-Exchange Membrane Electrodialysis of Saline Water

Table 1

Specifications of ion-exchange membranes.

		Thickness mm	Electric resistance Ωcm^2	Transpor number	Exchange capacity meq/dry memb.	Water content %	Intensity kg/cm^2
Aciplex	K172	0.11–0.13	1.9–2.2	> 0.99	1.5-1.6	20–30	2.6–3.3
	A172	0.11–0.15	1.7–2.1	>0.99	1.8-1.9	24–25	2.2–3.0
	CK2	0.23	3.3	0.91
	CA3	0.09–0.12	1.5–2.0				1.3–2.0
Selemion	CMR	0.11	2.36	0.94	3.7	34	2.0
	ASR	0.11	1.80	0.96	3.5	33	2.0
	CMV2	0.11–0.15	2.0–3.5	>0.91	1.5–1.8	18–20	3–5
	AST	0.11–0.13	1.5–2.5	>0.95			1.5–2.5
Neosepta	CIMS	0.14–0.17	1.5-1.6	>0.98	2.2–2.5	30–35	3.1–4.1
	ACS3	0.09–0.12	1.5–2.0	>0.98	2.0–2.4	20–30	1.3–2.0
	CL25T	0.15–0.17	2.2–3.0	>0.98	1.5–1.8	25–35	3–5
	AVS4T	0.15–0.17	3.7–4.7	>0.98	1.5–2.0	25–30	4–6