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Journal of Materials Science
Erschienen in: Journal of Materials Science 22/2018

02.08.2018 | Chemical routes to materials

Syntheses and ultra-deep desulfurization performance of sandwich-type polyoxometalate-based TiO2 nanofibres

verfasst von: Jiawei Fu, Yu Guo, Wenwen Ma, Chen Fu, Li Li, Haiyu Wang, Hong Zhang

Erschienen in: Journal of Materials Science | Ausgabe 22/2018

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Abstract

The sandwich-type polyoxometalate-based TiO2 nanofibres were prepared successfully by electrospinning combining with chemical reaction and employed in ultra-deep desulfurization. OTA–CoVW–TiO2 nanofibres (OTA = CH3(CH2)17(CH3)3N, CoVW = [Co4(H2O)2(VW9O34)2]10−) confirmed the excellent desulfurization performance in extraction catalytic oxidative desulfurization system (ECODS). At 323 K, the 500 ppm DBT (dibenzothiophene) model oil was entirely removed within 20 min using 0.010 g 45 wt% OTA–CoVW–TiO2 nanofibres as catalyst when O/S molar ratio was 4:1 and the dosage of model oil was 5 mL. The catalysts could be recycled and reused at least five times without remarkable decrease in catalytic activity. The desulfurization efficiencies for different substrates were shown as following order: DBT > 4,6-DMDBT (4,6-dimethyl-dibenzothiophene) > BT (benzothiophene). Moreover, the possible mechanism was also elucidated.
Vorheriger Artikel In situ growth of Prussian blue nanocubes on polypyrrole nanoparticles: facile synthesis, characterization and their application as fiber optic gas sensor
Nächster Artikel Perovskite quantum dots as fluorescent materials for multi-colored lighting

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Metadaten
Titel
Syntheses and ultra-deep desulfurization performance of sandwich-type polyoxometalate-based TiO2 nanofibres
verfasst von
Jiawei Fu
Yu Guo
Wenwen Ma
Chen Fu
Li Li
Haiyu Wang
Hong Zhang
Publikationsdatum
02.08.2018
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 22/2018
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-018-2736-z

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