Abstract
The application of Osmosis has been in use since mid-1900s for commercial water purification in the form of Reverse Osmosis (RO). In order to tackle increasing water scarcity, in past few decades an increasing trend is seen in researches related to Forward Osmosis (FO) [Wang J. 2021] . The semi-permeable membrane needed in FO operation must be modified before it can be used in commercial applications and as such fabrication of membrane is a key area of interest. This study involves fabricating a FO membrane using blends of two polymers- Polyvinylidene Fluoride (PVDF) and Cellulose Acetate (CA) using Phase Inversion (PI) method and doping it with Graphene Oxide (GO) nanoparticles to further enhance its hydrophilic properties to improve membrane’s performance in FO operation. A maximum water flux of 1.36 LPH was observed with a 15 wt% polymer with 1 wt% GO doping when operated in AL-FS mode containing 1 M NaCl draw solution.
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