Abstract
The aim of the present work is to investigate the performance of a newly fabricated membrane used for the membrane distillation process. Both titanium dioxide nanorods and multi-walled carbon nanotubes together were dispersed inside Poly (vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) membrane. Both pure PVDF-HFP and its composite membrane with the two fillers together PVDF-HFP/TiO2-CNTs were fabricated using electrospinning technique and were imaged by using SEM. Both the fiber diameter and the average pore diameter were calculated by using ImageJ software. Static water contact angle, membrane porosity, liquid enter pressure were determined. Moreover, the membrane performance was determined by using membrane distillation (MD) system for desalination. The effect of the feed conditions such as feed temperature, flow rate, and salt concentration, were studied. The obtained results confirm the improvement in the membrane productivity up to 46% at 9000 ppm sodium chloride concentration and by about 13.7% than the pure polymeric membrane at the highest used feed sodium chloride concentration (36000 ppm).
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