Research Article

Surface Modification of TFC-PA RO Membrane by Grafting Hydrophilic pH Switchable Poly(Acrylic Acid) Brushes

Table 1

Comparison of present work with the literature.

Monomer used on TFC-PA membraneFeed pressure (kPa)Flux (l m-2·hr-1)Salt rejection (%)References

PAA3309Present work
PAA344767
NIPAM/ZnO690043 to 4189% and 92%68
PVA crosslinked with glutaraldehyde50040 to 3085 to 87%69
PSBMA1500 to 450013 to 3883 to 95.531