Abstract
In this study a novel acrylonitrile grafted cellulosic adsorbent is prepared from bleached banana pulp. Banana peels were hydrolyzed with alkali followed by bleaching with sodium chlorate (NaClO3). The grafting co-polymerization of acrylonitrile onto the bleached pulp was carried out using Fenton’s reagent (Fe+/H2O2) as initiator. The acrylonitrile grafted cellulosic adsorbent was used for Mn(II) removal from aqueous solution. The adsorption of Mn(II) onto grafted banana peels was recorded to be 94%. The adsorption equilibrium is fitted well by Langmuir isotherm model. Owing to high efficiency and low cost, grafted banana peels (GBPs) can be used as effective adsorbent for Mn(II) removal from aqueous solution and industrial waste water.
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