Removal of copper from aqueous solution using polyaniline and polyaniline/ferricyanide composite
作者： Ferooze Ahmad Rafiqi , Kowsar Majid
DOI: 10.1016/J.JECE.2015.09.013
关键词: Polymerization 、 Aqueous solution 、 Ferricyanide 、 Polyaniline 、 Freundlich equation 、 Potassium ferricyanide 、 Inorganic chemistry 、 Composite number 、 Materials science 、 Adsorption
摘要: Abstract In situ oxidative polymerization method was used to synthesize the composite of polyaniline with ferricyanide ion. The and its were characterized by FTIR, XRD, SEM EDX. Comparison between removal Cu(II) from aqueous solution using polyaniline/potassium investigated UV–visible spectroscopy. adsorption polyaniline/ferricyanide found be dose dependent. kinetic results showed that reached equilibrium within 180 min in case 60 min for their measured capacities are 38.265 41.625 mg g −1 , respectively. process can described pseudo-first order pseudo-second ion composite. Adsorption onto agreed well Freundlich model, as revealed higher values correlation coefficients. Thermodynamic study is endothermic spontaneous nature. indicate both polyaniline/ could efficient adsorbents solution.
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