Abstract
As a water treatment process that has the potential to require low energy inputs, forward osmosis (FO) has experienced a significant breakthrough in recent decades, particularly in membrane development. This paper focuses on blending poly (vinylidene fluoride) (PVDF) with hydrophilic polyacrylonitrile (PAN) to form PVDF/PAN substrates for thin film composite membranes (TFC). The membranes were characterized using a scanning electron microscopy, iS50 FTIR spectrometer, and contact angle system. With high porosity, low tortuosity, and interconnected hydrophilic pores of their substrates, the obtained TFC membranes showed high water fluxes. These membranes yielded superior water and reverse salt fluxes in FO tests compared to the commercial CTA membrane. The membranes also showed excellent mechanical performance under PRO test conditions.
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