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The adsorption of Fe (III) ion fromaqueous solution by fibrous adsorbent

A.Ahmady, A.Bagheri

This study is concerned with the investigation of the adsorption properties of acrylic acid grafted poly(ethylene terephthalate) fibers by the use of Fe(III) ions in aqueous solutions. Influence of pH, graft yield, contact time, concentration of the ion, and reaction temperature on the amount of ion adsorbed upon reactive fiber were investigated. The time in which the adsorption reached to the equilibrium value was determined as 1h. It was observed that the adsorbed Fe(III) ion upon acrylic acid grafted poly(ethylene terephthalate) fibers could be recovered in acidic media. The fiber could also readsorb Fe(III) ions without losing its activity.