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Efficient Removal of Uranium from Aqueous Solution by Reduced Graphene Oxide–Zn0.5Ni0.5Fe2O4 Ferrite–Polyaniline Nanocomposite

Tran, D.Q. and Pham, H.T. and Do, H.Q. (2017) Efficient Removal of Uranium from Aqueous Solution by Reduced Graphene Oxide–Zn0.5Ni0.5Fe2O4 Ferrite–Polyaniline Nanocomposite. Journal of Electronic Materials, 46 (6). pp. 3273-3278. ISSN 3615235

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Efficient Removal of Uranium from Aqueous Solution by Reduced Graphene Oxide–Zn0.5Ni0.5Fe2O4 Ferrite–Polyaniline Nanocomposite .pdf

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Abstract

Reduced graphene oxide–Zn0.5Ni0.5Fe2O4 ferrite–polyaniline nanocomposite (RGO–ZNF–PANI) was synthesized by a three-step method. The prepared samples were characterized by x-ray diffraction, Raman spectroscopy, scanning electron microscopy and vibrating sample magnetometer. In particular, we found that this material is capable of effectively removing uranium from an aquatic environment. This is confirmed by our experimental results using the method of inductively coupled plasma mass spectrometry. Adsorptive behaviour of uranium from an aqueous solution on the RGO–ZNF–PANI nanocomposite was examined as a function of pH, contact time, and equilibrium. Uranium concentration was carried out by batch techniques. The adsorption isotherm agrees well with the Langmuir model, having a maximum sorption capacity of 1885 mg/g, at pH 5 and 25°C. © 2017, The Minerals, Metals & Materials Society.

Item Type: Article
Divisions: Faculties > Faculty of Physical and Chemical Engineering
Identification Number: 10.1007/s11664-017-5410-3
Uncontrolled Keywords: Adsorption; Ferrite; Graphene; Mass spectrometry; Nanocomposites; Nickel; Polyaniline; Scanning electron microscopy; Solutions; Uranium; X ray diffraction; Zinc; Aquatic environments; Batch techniques; Langmuir models; Polyaniline nanocomposites; Reduced graphene oxides; Sorption capacities; Uranium concentration; Vibrating sample magnetometer; Chemicals removal (water treatment)
Additional Information: Language of original document: English.
URI: http://eprints.lqdtu.edu.vn/id/eprint/9722

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