Eriochrme black-T removal from aqueous environment by surfactant modified clay: equilibrium, kinetic, isotherm, and thermodynamic studies

Zeydouni, G. and Rashidi, R. and Kianizadeh, G. and Omidi Khaniabadi, Y. and Nourmoradi, H. and Esmaeili, S. and Mohammadi, M. and Rashidi, RAJAB. (2018) Eriochrme black-T removal from aqueous environment by surfactant modified clay: equilibrium, kinetic, isotherm, and thermodynamic studies. Toxin Reviews.

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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 Informa UK Limited, trading as Taylor & Francis Group

Item Type: Article
Uncontrolled Keywords: Adsorption,cationic surfactant,eriochrome black T,montmorillonite
Subjects: WA Public Health
Divisions: Faculty of Health
Depositing User: Users 1 not found.
Date Deposited: 11 Sep 2018 06:12
Last Modified: 11 Sep 2018 06:12
URI: http://eprints.skums.ac.ir/id/eprint/7113

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