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Poly(ethylene terephthalate) (PET) fibers (stretch ratio 2, 30 filament, 110 dTex) were received from Amir Kabir University and Technology (Tehran). Methyl methacrylate (MMA) and acrylic acid (AA) were purchased by BDH Co. of England and after purification were used in all experiments. Bz2O2 after

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In the present study, graft copolymerization of methyl methacrylate, acrylic acid onto poly(ethylene terephthalate) fibers has been studied as a new adsorbent for the removal of Zn 2+ ions from aqueous solutions by a batch equilibrium technique. The prepared copolymer was characterized by scanning electron microscopy, specific surface area, cation exchange capacity and point of zero charge (pHzpc). The best conditions for removal of Zn 2+ recorded (pH = 6.5, t = 20 min, maximum adsorption capacity = 17.00 mg/g).

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