An Investigation of Chitosan-Grafted-Poly(vinyl alcohol) as an Electrolyte Membrane

Table 2

The value of diffusion, sorption, and permeation coefficients of water and methanol transports through various membranes.

Membrane	Water			Methanol
	𝐷ab×10^6	𝑆	𝑃×10^6	𝐷ab×10^6	𝑆	𝑃×10^6
	(cm^2s^−1)	(---)	(cm^2s^−1)	(cm^2s^−1)	(---)	(cm^2s^−1)
CS	0.36	0.572	0.21	1.70	0.434	0.74
CS_X	0.31	0.432	0.13	2.35	0.267	0.63
CS/PVA	2.59	0.768	1.99	0.55	0.473	0.26
CS/PVA_X	2.57	0.545	1.40	0.49	0.397	0.19
CS-g-PVA/PVA	0.82	0.611	0.50	1.11	0.235	0.26
CS-g-PVA/PVA_X	0.72	0.503	0.36	1.28	0.177	0.23
PVA	3.35	0.934	3.13	1.94	0.147	0.28
PVA_X	2.60	0.671	1.76	1.42	0.132	0.19
Nafion 117	1.60	0.223	0.36	4.26	0.709	2.98