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Research Article Open access CC BY 3.0

Synthesis and Characterization of Polyaniline/Fe3O4 Magnetic Nanocomposite as Practical Approach for Fluoride Removal Process

Mahmoud Jokar, Reza Foroutani, Mohammad Hassan Safaralizadeh, Khalil Farhadi

Annual Research & Review in Biology · pp. 3262–3273 · Published 9 Jun 2014

10.9734/ARRB/2014/9108

Abstract

In order that removal of excess fluoride from water a novel magnetic nanocomposite has been synthesized. Magnetic nanoparticles were successfully synthesized by chemical co-precipitation method. Afterwards, polyaniline containing magnetic nanoparticles were prepared by in-situ doping polymerization in the presence of HCl. The polyaniline/Fe3O4 magnetic nanocomposite has been characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques. Vibrating sample magnetometer (VSM) was also used for magnetization characterization of polyaniline/Fe3O4 nanocomposite at room temperature. The conductivity and magnetic properties of the polyaniline containing Fe3O4 nanoparticles showed that the samples have a novel conductivity and a superparamagnetic behavior. Subsequently, the ability of the adsorbent to remove fluoride from water was demonstrated in a batch sorption mode. Results reveal that the adsorption is rapid and the adsorbent has high affinity for fluoride, which depends on solution pH and adsorbent dose.

Magnetic nanoparticles fluoride removal magnetic nanocomposite polyaniline

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