alexa Removal of Fluoride from Aqueous Solution Using Chitosan-Iron Complex | OMICS International | Abstract
ISSN: 2155-9872

Journal of Analytical & Bioanalytical Techniques
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Research Article

Removal of Fluoride from Aqueous Solution Using Chitosan-Iron Complex

Patnaik S2, Mishra PC1*, Nayak RN3 and Giri AK1

1PG Department of Environmental Sciece, Fakir Mohan University, Balasore, Odisha, India3

2Research Scholar of CUTM, Odisha

3Department of Chemistry, CUTM, Paralakhemundi, Gajapati, Odisha, India

*Corresponding Author:
Mishra PC
PG Department of Environmental Sciece
Fakir Mohan University
Balasore-756 020, Odisha, India.
E-mail: [email protected]

Received date: June 07, 2016; Accepted date: June 27, 2016; Published date: July 01, 2016

Citation: Patnaik S, Mishra PC, Nayak RN, Giri AK (2016) Removal of Fluoride from Aqueous Solution Using Chitosan-Iron Complex. J Anal Bioanal Tech 7:326. doi:10.4172/2155-9872.1000326

Copyright: © 2016 Patnaik S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

In this study highly efficient sorbent, chitosan-Fe3+ complex with high chemical stability material was synthesized and the performance towards Fluoride adsorption was evaluated by batch experiments. The adsorption process reached equilibrium at 1 hour. The maximum adsorption capacity reached 2.34 mg/g of F- at an initial concentration of 50 mg/L of F- and adsorbent dosage of 10 g/L. Moreover, no significant change in the fluoride removal efficiency was observed in the pH range of 3.0-10.0. The adverse influence of sulphate on fluoride removal was the most significant, followed by bicarbonate and nitrate, whereas chloride had slightly adverse effect. Adsorption process followed the pseudo-second-order kinetic model, and the experimental equilibrium data were fitted well with the Langmuir-Freundlich and D-R isotherm models. Thermodynamic parameters revealed that fluoride adsorption was a spontaneous and exothermic process. The chitosan-Fe3+ complex could be effectively regenerated by NaCl solution.

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