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Eriochrme Black-T Removal From Aqueous Environment by Surfactant Modified Clay: Equilibrium, Kinetic, Isotherm, and Thermodynamic Studies Publisher



Zeydouni G1 ; Kianizadeh M2 ; Omidi Khaniabadi Y3 ; Nourmoradi H4, 5 ; Esmaeili S6 ; Mohammadi MJ7 ; Rashidi R8
Authors

Source: Toxin Reviews Published:2019


Abstract

In this study, the removal of Eriochrome black T (EBT) from aqueous solutions was evaluated by cationic surfactant of hexadecyl trimethyl ammonium bromide (HDTMA)-modified montmorillonite clay (MC). The effects of contact time, pH, adsorbent dosage, EBT concentration, solution ion strength, and temperature were investigated on the EBT removal. HDTMA-MC was also examined by Fourier transformed infrared (FTIR) spectroscopy and X-ray diffractometer (XRD). The results illustrated that the experimental data were well followed by the pseudo-second-order kinetic and Freundlich isotherm models. The results also showed HDTMA-MC can be used as an effective adsorbent for the removal of EBT from aqueous solution. © 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group.
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