Evaluation of PAn/PVC (Ps) Nanocomposites Capability to Surface Adsorption of Metal Cations

Document Type : Original Article

Authors

1 Research Institute of Petroleum Industry (RIPI), Tehran, Iran

2 Refining Technology Development Division, Research Institute of Petroleum Industry, Tehran, Iran

3 2 Department of Chemical Engineering, Babol University of Technology, Babol, Iran

Abstract

Polyaniline and their nanocomposites were prepared by using chemical oxidative polymerization method in the presence of potassium iodate as oxidant. In this research, morphology and chemical structure of polyaniline/polystyrene and polyaniline/polyvinyl chloride was studied. Also, the capability of these nanocomposites to removal of zinc & lead cations from aqueous solution was studied. In order to adsorption of metal cations from aqueous solution, batch system was used & various experimental parameters such as ph, cationic pollutants dosage and contact time was evaluated. Results indicated that the highest adsorption rate for zinc and lead cations by polyaniline/ polyvinylchloride adsorbent was calculated 95.86 and 93.4, respectively. The optimum condition for lead cation adsorption were achieved using a polyaniline/polyvinyl chloride adsorbent at pH 7, a cation concentration of 100 mg/L and contact time of 20 minutes. Also, the study of adsorption isotherm equations has shown that the Freundlich equation is better compatibility with experimental data.

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References

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Applied Chemistry Today
Volume 14, Issue 51
July 2019
Pages 163-176

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