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  4. Novel photocatalytic PVDF/Nano-TiO2 hollow fibers for environmental remediation
 
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2018
Journal Article
Title

Novel photocatalytic PVDF/Nano-TiO2 hollow fibers for environmental remediation

Abstract
Polyvinylidene difluoride (PVDF) mixed matrix membranes loaded with inorganic TiO2 nanoparticles have received increasing attention in the last few years as self-cleaning membranes for possible application in wastewater treatment and seawater filtration. These novel membranes show increased hydrophilicity, stability and catalytic activity under UV-A irradiation. In this work, PVDF-TiO2 hollow fibers were prepared by employing new strategies for enhancing the stability of the TiO2 dispersion, reducing particle agglomeration and improving their distribution. The spinning conditions for producing ultrafiltration hollow fiber membranes from PVDF material and nano-TiO2 were investigated. Finally, the optimized fibers have been characterized and tested for methylene blue (MB) degradation in water and salty seawater, revealing good permeability, long-term stability under UV-A irradiation, and photo-catalytic activity in both test solutions.
Author(s)
Galiano, Francesco
Song, Xue
Marino, Tiziana
Boerrigter, Marcel
Saoncella, Omar
Simone, Silvia
Faccini, Mirko
Chaumette, Christiane  
Drioli, Enrico
Figoli, Alberto
Journal
Polymers. Online resource  
Open Access
DOI
10.3390/polym10101134
Language
English
Fraunhofer-Institut für Grenzflächen- und Bioverfahrenstechnik IGB  
Keyword(s)
  • Hollow fiber membranes

  • Mixed matrix membrane

  • Photocatalytic degradation

  • PVDF

  • TiO2

  • Ultrafiltration

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