Influence of Titanium Dioxide Particles on the Filtration of 1,4-Dioxane and Antibacterial Properties of Electrospun Cellulose Acetate and Polyvinylidene Fluoride Nanofibrous Membranes

This article reports the fabrication, characterization, and evaluation of electrospun nanofibrous membranes consisting of poly (vinylidene fluoride) (PVDF) and cellulose acetate (CA) infused with varying concentrations of titanium dioxide (1 wt%, 3 wt%, 5 wt% and 7 wt%) on the removal of toxic organ...

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Bibliographic Details
Published in:Journal of polymers and the environment 2021-03, Vol.29 (3), p.775-784
Main Authors: Senthil Muthu Kumar, T., Senthilkumar, K., Ratanit, Mantiya, Rajini, N., Chanunpanich, Noppavan, Hariram, N., Pornwongthong, Peerapong, Siengchin, Suchart
Format: Article
Language:English
Subjects:
Acetic acid
Antibacterial activity
Cellulose acetate
Chemistry
Chemistry and Materials Science
Contaminants
E coli
Electrospinning
Environmental Chemistry
Environmental Engineering/Biotechnology
Fabrication
Filtration
Fluorides
Fourier transforms
Industrial Chemistry/Chemical Engineering
Infrared spectroscopy
Materials Science
Membranes
Organic contaminants
Original Paper
Pollutant removal
Polymer Sciences
Polyvinylidene fluorides
Pseudomonas aeruginosa
Scanning electron microscopy
Titanium
Titanium dioxide
Vinylidene fluoride
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Summary:This article reports the fabrication, characterization, and evaluation of electrospun nanofibrous membranes consisting of poly (vinylidene fluoride) (PVDF) and cellulose acetate (CA) infused with varying concentrations of titanium dioxide (1 wt%, 3 wt%, 5 wt% and 7 wt%) on the removal of toxic organic contaminant 1,4-dioxane. The formation of nanofibrous membranes and the present distribution of titanium dioxide particles were ascertained using scanning electron microscopy (SEM). The PVDF/CA electrospun membranes were assessed for intermolecular interactions using Fourier transform infrared spectroscopy (FTIR) and antibacterial property. The membranes were tested for suitability in the filtration of 1,4-dioxane (C 4 H 8 O 2 ) through the Buchner filtration test. It could be seen that the filtration efficiency of the membranes improved up to 55% upon the addition of TiO 2 . This revealed that the filtration efficiency of the membranes enhanced by increasing the contents of TiO 2 . Furthermore, the membranes with TiO 2 also exhibited better antibacterial activity against the pathogens viz., Escherichia coli , Pseudomonas aeruginosa Bacillus licheniformis , and Staphyllococcus aureus .
ISSN:1566-2543
1572-8919
DOI:10.1007/s10924-020-01919-0