Abstract
ABSTRACT In this study, Poly(ethylene terephthalate) (PET) fibres were copolymerised with a mixture of acrylamide (AAm), 2 -hydroxypropyl methacrylate (2-HPMA) monomers in the presence of a mixture of initiators benzoyl peroxide (Bz2O2) −4, 4-azobis-4-cyano-valeric acid(ACV). After determining the optimal graft condition, solution electrospinning was performed. Optimal electrospinning conditions were obtained at (V = 10 kV, TFA/DCM = 4/1, distance from nozzle = 12.5 cm).The best adsorption conditions were determined by batch technique. The adsorption process was in good agreement with the Langmuir isotherm model and the Pseudo-second-order kinetic model. The mentioned findings confirm the homogeneity, monolayer and chemical nature of the adsorption process. Grafted nanofibers had a good performance in removing Ni2+ ions from industrial effluents in Charmshahr and Ghods industrial town. Thermodynamic studies have shown that the process is endothermic, spontaneous and is associated with increasing entropy.
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