Superhigh Adsorption of Cadmium(II) Ions onto Surface Modified Nano Zerovalent Iron Composite (CNS-nZVI): Characterization, Adsorption Kinetics and Isotherm Studies

Prabu Deivasigamani; Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India; Senthil Kumar Ponnusamy; Sathish Sundararaman; Suresh A; Department of Chemical Engineering, SSN College of Engineering, Chennai-603110, India; Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India; Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India

doi:10.23939/chcht15.04.457

Superhigh Adsorption of Cadmium(II) Ions onto Surface Modified Nano Zerovalent Iron Composite (CNS-nZVI): Characterization, Adsorption Kinetics and Isotherm Studies
Superhigh Adsorption of Cadmium(II) Ions onto Surface Modified Nano Zerovalent Iron Composite (CNS-nZVI): Characterization, Adsorption Kinetics and Isotherm Studies `release_3r6eelmvqrd5vjgmgm4gg3s73m`

by Prabu Deivasigamani, Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India, Senthil Kumar Ponnusamy, Sathish Sundararaman, Suresh A, Department of Chemical Engineering, SSN College of Engineering, Chennai-603110, India, Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India, Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India

Published in Chemistry & Chemical Technology by Lviv Polytechnic National University.

2021 Volume 15, p457-464

Abstract

The efficiency of surface modified nanoscale zerovalent iron (nZVI) composite by cashew nut shell (CNS) was tested for the removal of cadmium ions from the aqueous solutions. 2 g/l CNS-nZVI was efficient for 98% removal. The adsorption capacity was 35.58 mg/g. The Freundlich isotherm (R2 = 0.9769) and the pseudo-second order adsorption kinetics data fitted well. This proved CNS-nZVI has a high removal efficiency for Cd(II) from aqueous solutions.
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Date 2021-11-25

DOI 10.23939/chcht15.04.457

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