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Issue 97, 2014
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Facile synthesis of smart biopolymeric nanofibers towards toxic ion removal and disinfection control

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Abstract

To provide safe drinking water, it is crucial to tackle both bacterial infection and inorganic pollutants. In this study, smart biopolymeric nanofibers consisting of chitosan/Fe(III)/PVA (CPF) have been synthesized via an electrospinning method. Crosslinking with glutaraldehyde was carried out to increase the stability of the mats. The prepared CPF mat exhibited increased adsorption sites, facilitating the removal of As(III), As(V), Cr(VI) and F ions. The selectivity order of the investigated anions towards CPF mats followed the sequence: Cr(VI) > As(V) > As(III) > F. The maximum adsorption capacities of Cr(VI), As(V), As(III) and F were found to be 166.7, 83.3, 32.3 and 2.5 mg g−1, respectively. The prepared CPF mat also exhibited 100% disinfection towards E. coli at an initial concentration of 104–105 CFU ml−1. Using FTIR studies, the mechanism of interaction of these ions with CPF has also been postulated.

Graphical abstract: Facile synthesis of smart biopolymeric nanofibers towards toxic ion removal and disinfection control

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Article information


Submitted
25 Sep 2014
Accepted
06 Oct 2014
First published
06 Oct 2014

RSC Adv., 2014,4, 54694-54702
Article type
Paper
Author version available

Facile synthesis of smart biopolymeric nanofibers towards toxic ion removal and disinfection control

D. Chauhan, J. Dwivedi and N. Sankararamakrishnan, RSC Adv., 2014, 4, 54694
DOI: 10.1039/C4RA11172A

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