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Polypropylene nonwoven filter with nanosized ZnO rods: promising hybrid photocatalyst for water purification



Modern composite filter materials were obtained via modification of commercially available polypropylene (PP) nonwovens with particles of nanorods zinc oxide (ZnO/​PP) with high aspect ratio. This modification was conducted as a three-step process consisting of a plasma treatment of the polymer nonwovens (increasing their wettability), deposition of ZnO nuclei on fibers surface and low temperature hydrothermal growth of ZnO rods. A remarkable photocatalytic initial specific activity for ZnO/​PP was observed (3-fold higher than commercial ZnO) and high stability in aqueous phase phenol mineralization.

Juan C. Colmenares, Ewelina Kuna, Szymon Jakubiak, Jakub Michalski and Krzysztof Kurzydłowski. Applied Catalysis B: Environmental,170 (2015) 273 – 282.


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