Ultrafiltration Formulation of Cellulose Acetate / Polysulfone Blended Membrane

Membrane has been used widely in developed countries and most of researchers focus on the development of membrane formulation. However, different materials with different portion give a various effects on the membrane morphology and performances. Hence, blend polymer is one of the method that can be explored to produce the best membrane performance. This present study aims to identify an ideal formulation of blend polymers in membrane fabrication process. Dope solution was prepared using these materials; cellulose acetate (CA) and polysulfone (PSf) are blended together as polymer, N,N-Dimethylacetamide (DMAc) as solvent and Polyvinylpyrrolidone as an additive in membrane fabrication. Best formula for blended polymer was tested on the performance test; salt rejection, flux of salt and Field Emission Scanning Electron Microscopic (FESEM).