Selective adsorption of Cr(VI) from aqueous solution by EDA-Fe3O4 nanoparticles prepared from steel pickling waste liquor

•Fe3O4 nanoparticles prepared from waste liquor were functionalized with EDA.•EDA-Fe3O4 nanoparticles had high adsorption capacity and selectivity for Cr(VI).•The adsorption kinetics, thermodynamics and isotherm were studied.•Electrostatic attraction and complexation were postulated as adsorption me...

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Veröffentlicht in:	Applied surface science 2014-09, Vol.314, p.655-662
Hauptverfasser:	Fang, X.B., Fang, Z.Q., Tsang, P.K.E., Cheng, W., Yan, X.M., Zheng, L.C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Adsorptive selectivity Aqueous solutions Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cr(VI) Cross-disciplinary physics: materials science rheology EDA-Fe3O4 nanoparticles Exact sciences and technology Magnetic separation Mathematical models Physics Pickling Scanning electron microscopy Steel pickling waste liquor Structural steels Surface chemistry X-ray photoelectron spectroscopy
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