Inulin-folic acid/bentonite: A novel nanocomposite for confiscation of Cu(II) from synthetic and industrial wastewater

Ahmad, R. and Mirza, A. (2017) Inulin-folic acid/bentonite: A novel nanocomposite for confiscation of Cu(II) from synthetic and industrial wastewater. Journal of Molecular Liquids, 241. pp. 489-499. ISSN 1677322

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Abstract

In this study, a novel nanocomposite (inulin-folic acid/bentonite) was successfully synthesized and was explored for the removal of Cu(II). It was characterized by SEM (Scanning electron microscopy), EDX (Energy dispersive X-ray spectroscopy), XRD (X-ray diffractometer), FTIR (Fourier transform infrared spectroscopy), TGA (Thermogravimetric analysis) and TEM (Transmission electron microscopy) analysis. The surface area (Sear's method) of bentonite and nanocomposite were found to be 23 and 103 mg2 g− 1, respectively. The maximum adsorption capacity was observed at pH 5.2, contact time 120 min, concentration 100 mg L− 1, temperature 328 K and dose 0.01 g, respectively. The Langmuir isotherm and pseudo-second order kinetic model were found to be the best obeyed models. The maximum monolayer adsorption capacity was found to be 208.263 mg g− 1 at 328 K. The thermodynamic studies showed the adsorption was endothermic and spontaneous in nature. The breakthrough and exhaustive capacities were found to be 300 and 1250 mg g− 1, respectively. The maximum desorption (82.36%) with excellent regeneration capability (up to fifth cycle) was investigated by using 0.1 M oxalic acid through column process. The nanocomposite was further utilized in sequestering Cu(II) from electroplating and battery manufacturing wastewater.

Item Type: Article
Uncontrolled Keywords: Adsorption; Breakthrough; Characterized; Desorption; Nanocomposite
Subjects: T Technology > T Technology (General)
Divisions: Faculties > Faculty of Engineering and Technology > Zakir Husain College of Engineering & Technology > Department of Applied Chemistry
Depositing User: AMU Library
Date Deposited: 06 Feb 2018 05:53
Last Modified: 06 Feb 2018 10:05
URI: http://ir.amu.ac.in/id/eprint/11139

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