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        Surface Modified of Cellulose Acetate Electrospun Nanofibers by Polyaniline/β-cyclodextrin Composite for Removal of Cationic Dye from Aqueous Medium

        Ahmed S. M. Ali,M. R. El-Aassar,F. S. Hashem,N. A. Moussa 한국섬유공학회 2019 Fibers and polymers Vol.20 No.10

        This paper concerns with the enhancement of a safe and clean procedure for remediation of water pollution. Cellulose acetate (CA) nanofibers were prepared via electrospinning technique prior to surface modification with polyaniline/β-cyclodextrin (PANI/β-CD) nanocomposite. Morphology and structure of the modified CA nanofibers were characterizedby different analysis like X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electronmicroscopy (SEM) and Thermogravimetric analyses (TGA). We studied the influence of modification of CA with PANI/β-CD nanocomposite for removal of cationic dyes from colored aqueous solution in dynamic batch mode. Methylene blue(MB) dye was selected as a cationic dye model for the study. The effects of various parameters like pH, nanosorbent dose,dye concentration and reaction time on the adsorption capacity were studied. Some mathematical isotherm and kineticmodels have been utilized to investigate the adsorption mechanism of MB into the CA-PANI/β-CD nanofibers. Thereusability of the CA-PANI/β-CD nanofibers was also verified in sequent cycles and rapid process was detected. Differentreal water samples like tap water, industrial wastewater, municipal wastewater and sea water were applied to test the MBremoval efficiency.

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