Fabrication of Chitosan‐β‐cyclodextrin‐Fe nanofibers for the adsorption of As‐III from aqueous solution using a lab‐scale filtration system

Author:

Jamali Ahmed Ali12,Mahar Faraz Khan2,Hussain Nadir3,Khatri Muzamil3,Ullah Azeem3,Ahmed Farooq2,Khatri Zeeshan2,Kim Ick Soo3ORCID

Affiliation:

1. Department of Environmental Engineering & Management Mehran University of Engineering and Technology Jamshoro Pakistan

2. Center of Excellence in Nanotechnology and Materials Mehran University of Engineering and Technology Jamshoro Pakistan

3. Nano Fusion Technology Research Lab, Division of Frontier Fibers, Institute for Fiber Engineering (IFES), Interdisciplinary Cluster for Cutting Edge Research (ICCER) Shinshu University Nagano Japan

Abstract

AbstractArsenate species are hazardous, toxic, and carcinogenic, they pose a significant risk to human health. In this finding, we have fabricated the Chitosan, β‐cyclodextrin and Fe2O3 (CS‐βCD‐Fe2O3) composite nanofibers through electrospinning for arsenic (As‐III) adsorption in a lab‐scale designed continuous filtration system. The SEM images have shown the bead free morphology of the prepared nanofibers and chemical composition was characterized by Fourier transforms infrared (FTIR) spectroscopy. The experimental data supported monolayer adsorptions by having a good fit to the Langmuir model. Further, kinetic studies have been conducted to illustrate the adsorption of As‐III onto CS‐βCD‐Fe2O3. The CS‐βCD‐Fe2O3 nanofibers at neutral pH have shown 83% adsorption efficiency of As‐III in the batch experiments and 72% in continuous filtration system with a flow rate of 660 mL/h. Additionally, the reusability of the nanofibers was performed, and 60% adsorption efficiency was achieved up to the 5th cycle for batch adsorption. Our prepared composite CS‐βCD‐Fe2O3 nanofibers could be used in both batch adsorption and continuous filtration system for removal of As‐III from aqueous solution.

Funder

Mehran University of Engineering and Technology

Publisher

Wiley

Subject

Materials Chemistry,Polymers and Plastics,Surfaces, Coatings and Films,General Chemistry

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