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In this study, sulfonated poly ethylene terephthalate (SPET) nonwoven membrane for heavy metal ion filtration was prepared by electrospining with different conditions and then simulated by wastewater containing metal ion as an aqueous solution. Commonly used for the exclusion of metal ions from wastewater, the ionic interaction between negatively charged matrices and positively charged metal ions has been utilized. The controllable factors i.e., initial concentration, adsorbent amount, pH, and pressure on the efficiency of filtration were optimized in this study. The results showed that the metal ion rejection increased with increasing adsorbent concentration and the pH of solution, while it was decreased by increasing applied pressure and concentration of solution. PH solution was found to be the most effective in the efficiency of metal removal and then adsorbent concentration, initial concentration of metal ion …