Abstract
Nanofiltration membranes were prepared using modified styrene-maleic anhydride (SMA) blending with amphiphilic polyvinyl chloride (APVC). The membranes morphology were studied by electron microscopy scanning (SEM), and characterized by different analyses. Increasing in SMA concentration in polymeric solution during preparation to 0.8 wt% improves the mechanical strength to be 40.5 MPa, the membrane performance enhanced, where the bovine serum albumin (BSA) rejection reached 99.9% with permeate flux of 47 L/m2⋅h. The fouling test was applied on membranes, The flux recovery ratio (FRR) of the prepared membrane with 0.8 wt% addition of SMA reached 98.3%, while irreversible resistance (Rir) reduced to 6.3% compared to the blank APVC membrane and reversible resistance (Rr) reduced to 13.3%. The segregation of amphiphilic polymer inside the membrane backbone enhances the antifouling properties due to improving the hydrophilicity of the surface.
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