Abstract
Abstract This study is focused on identifying the relationship between structural properties and filtration performance of membranes with and without AgNPs. For this purpose, Ag nanoparticles (AgNPs) (0, 0.2, 0.4, 0.8 wt%) were embedded into hollow fiber (HF) membranes by using the blending method. The dry-wet phase inversion method was used for the fabrication of HF membranes. Successful embedding of AgNPs into the HF membrane matrix was confirmed by different analytical techniques such as scanning electron microscopy (SEM) with energy-dispersive X-ray (EDX), water contact angle (CA), electrokinetic analyzer for zeta-potential measurement, and dynamic mechanical analyzer for mechanical stability. Model solutions (protein and real activated sludge) were used for the determination of filtration performance of pristine and nanocomposite membranes. AgNPs reduced the CA value of pristine membrane from 94°±1° to 69°±2°. From SEM-EDX measurement, it was realized that the dual-layer structure was obtained as wel...
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