Nylon-6/poly(propylene imine) dendrimer hybrid nanofibers: an effective adsorbent for the removal of anionic dyes

Nylon-6/poly(propylene imine) dendrimer hybrid nanofibers (N6-PPI) were prepared by electrospinning. Their ability to remove Acid Red 252 as a model anionic dye was studied. Fourier transform infrared spectrometer and scanning electron microscope were used to investigate the chemical structure and m...

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Bibliographic Details
Published in:Journal of the Textile Institute 2021-03, Vol.112 (3), p.444-454
Main Authors: Khosravi Mohammad Soltan, Fatemeh, Hajiani, Mahmood, Haji, Aminoddin
Format: Article
Language:English
Subjects:
acid dye
Adsorbents
Adsorption
Aqueous solutions
dendrimer
Dyes
electrospinning
Fourier transforms
FTIR spectrometers
Infrared spectrometers
Morphology
Nanofibers
Nylon 6
Nylon-6/polypropylene imine hybrid nanofibers
Polypropyleneimine
wastewater treatment
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Summary:Nylon-6/poly(propylene imine) dendrimer hybrid nanofibers (N6-PPI) were prepared by electrospinning. Their ability to remove Acid Red 252 as a model anionic dye was studied. Fourier transform infrared spectrometer and scanning electron microscope were used to investigate the chemical structure and morphology of the prepared nanofibers, respectively. The effect of different factors such as contact time, initial concentration of dye, temperature, pH, adsorbent dosage, and electrolyte concentration on the efficiency of dye removal were studied. The results showed that N6-PPI nanofiber has higher adsorption efficiency than pure N6 nanofiber. The maximum removal was achieved at pH 4. Meanwhile, the adsorption was also increased by increasing the initial concentration of the dye using an optimum amount of 0.1 g of adsorbent. Results showed that the dye adsorption fits with the Langmuir isotherm as well as the pseudo-second order kinetics. The results of this study showed that N6-PPI nanofiber can remove anionic dyes from aqueous media rapidly and efficiently.
ISSN:0040-5000
1754-2340
DOI:10.1080/00405000.2020.1762340