Nanohybrid anionic surfactant-akaganeite: preparation, structural analysis and cations sorption

E.A. Deliyanni and E.N. Peleka

International Journal of Environmental Technology and Management, 2010, vol. 12, issue 2/3/4, 369-380

Abstract: The preparation of a nanocrystalline hybrid anionic surfactant-akaganeite (denoted as Ak_h) as an innovative sorbent, the investigation of its surface properties and the evaluation of its ability to remove cations from aqueous solutions were studied in the present paper. The nanocrystalline hybrid anionic surfactant-akaganeite was prepared in the laboratory using FeCl₃ as precursor and an anionic surfactant (sodium dodecyl sulphate) as modifier. The new adsorbent was investigated with X-ray Diffraction (XRD), Fourier-Transform Infrared (FTIR) spectroscopy, Scanning Electron Microscopy (SEM) and High-Resolution Transmission Electron Microscopy (HRTEM). The maximum loading capacity of the new hybrid sorbent was 64 mg Zn²⁺/g and 48 mg Cd²⁺/g compared with 28 Zn²⁺mg/g and 17 mg Cd²⁺/g for pure akaganeite.

Keywords: nanohybrid surfactant-akaganeite; sorption; surfactant modification; zinc; cadmium; anionic surfactant-akaganeite; cations removal; nanocrystalline surfactant-akaganeite; adsorption; aqueous solutions; nanoscale inorganic materials; nanotechnology; wastewater treatment. (search for similar items in EconPapers)
Date: 2010
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