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Novel Photocatalytic PVDF/Nano-TiO2 Hollow Fibers for Environmental Remediation

1
Institute on Membrane Technology, ITM-CNR, Via P. Bucci 17/c, 87036 Rende (CS), Italy
2
Fraunhofer IGB, Nobelstrasse 12, 70569 Stuttgart, Germany
3
LEITAT, C/de la Innovació, 2 08225 Terrassa (Barcelona), Spain
*
Author to whom correspondence should be addressed.
Polymers 2018, 10(10), 1134; https://doi.org/10.3390/polym10101134
Received: 1 August 2018 / Revised: 6 October 2018 / Accepted: 9 October 2018 / Published: 12 October 2018
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. View Full-Text
Keywords: hollow fiber membranes; PVDF; TiO2; mixed matrix membrane; photocatalytic degradation; ultrafiltration hollow fiber membranes; PVDF; TiO2; mixed matrix membrane; photocatalytic degradation; ultrafiltration
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MDPI and ACS Style

Galiano, F.; Song, X.; Marino, T.; Boerrigter, M.; Saoncella, O.; Simone, S.; Faccini, M.; Chaumette, C.; Drioli, E.; Figoli, A. Novel Photocatalytic PVDF/Nano-TiO2 Hollow Fibers for Environmental Remediation. Polymers 2018, 10, 1134. https://doi.org/10.3390/polym10101134

AMA Style

Galiano F, Song X, Marino T, Boerrigter M, Saoncella O, Simone S, Faccini M, Chaumette C, Drioli E, Figoli A. Novel Photocatalytic PVDF/Nano-TiO2 Hollow Fibers for Environmental Remediation. Polymers. 2018; 10(10):1134. https://doi.org/10.3390/polym10101134

Chicago/Turabian Style

Galiano, Francesco, Xue Song, Tiziana Marino, Marcel Boerrigter, Omar Saoncella, Silvia Simone, Mirko Faccini, Christiane Chaumette, Enrico Drioli, and Alberto Figoli. 2018. "Novel Photocatalytic PVDF/Nano-TiO2 Hollow Fibers for Environmental Remediation" Polymers 10, no. 10: 1134. https://doi.org/10.3390/polym10101134

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