Cellulose Porosity Biopolymer Base Average Pore Size (nm) 0.09 m Total Porosity (%) 62 3 fiber based membranes Glycerol-plasticized agarose 2 m 0.21*0.05 m 39 Electrolyte Uptake (%) Processing Method 200 TEMPO-oxidized and vacuum filtration Papermaking Solvent Casting Natural sesbania gum 100 m Chitosan nanofiber paper 10 m Tailoring silk fibroin 250 m Mesoporous Cladophora cellulose 20 m Solvent Casting 65 281 Papermaking 80,67 350 Solvent Casting 46 Solution Casting cross-linked fiber membranes polyether block amide microporous membranes 1.17 m 9.5 16.5 Plant based cellulose 65 180 Phase Inversion non-solvent induced phase separating (NIPS) Papermaking