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. 2018 Nov 27;8(69):39567–39578. doi: 10.1039/c8ra07868h

Estimated transport and performance parameters for Alg membranes filled with CS-G particles.

CS-G content, wt% 0 5 10 15 25
Flux JN, kg m−2 h−1 0.71 1.77 1.88 1.82 1.95
Permeation coefficient of water PH2O × 105, barrer 4.83 14.90 11.93 9.25 6.92
Permeation coefficient of ethanol PEtOH × 105, barrer 0.23 0.43 0.45 0.49 0.50
Diffusion coefficient of water DH2O × 107, cm2 s−1 1.44 7.41 7.75 7.91 8.12
Diffusion coefficient of ethanol DEtOH × 107, cm2 s−1 0.22 0.31 0.33 0.37 0.42
Solubility coefficient of water SH2O, cmSTP3 cm−3 cmHg−1 335.4 201.1 153.9 117.0 85.2
Solubility coefficient of ethanol SEtOH, cmSTP3 cm−3 cmHg−1 104.5 103.2 93.9 81.1 71.4
Selectivity coefficient Sc 21.0 34.6 26.5 18.9 13.8
Separation factor, αH2O/EtOH 26.5 65.8 57.9 51.7 40.5
Pervaporation separation index PSI, kg m−2 h−1 18.2 114.7 107.0 92.3 77.0