http://www.cnr.it/ontology/cnr/individuo/prodotto/ID173360
A New Generation of Catalytic Poly(vinylidene fluoride) Membranes: Coupling Plasma Treatment with Chemical Immobilization of Tungsten-Based Catalyst (Articolo in rivista)
- Type
- Label
- A New Generation of Catalytic Poly(vinylidene fluoride) Membranes: Coupling Plasma Treatment with Chemical Immobilization of Tungsten-Based Catalyst (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/adfm.200500502 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Linda Caterina Lopez; Maria Giovanna Buonomenna; Enrica Fontananova; Giuseppe Iacoviello;
Enrico Drioli; Riccardo d'Agostino; Pietro Favia (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Via Orabona 4, 70126 Bari (Italy)
Institute on Membrane Technology
National Research Council of Italy
ITM-CNR, University of Calabria
E. Fontananova, Prof. Enrico Drioli
CEMIF.CAL, Department of Chemical Engineering and Materials
University of Calabria
Institute of Inorganic Methodologies and Plasmas IMIP-CNR
c/o University of Bari, Plasma Solution Srl.
Via Orabona 4, 70126 Bari (Italy (literal)
- Titolo
- A New Generation of Catalytic Poly(vinylidene fluoride) Membranes: Coupling Plasma Treatment with Chemical Immobilization of Tungsten-Based Catalyst (literal)
- Abstract
- A new generation of catalytically active membranes for secondary amine oxidation and phenol degradation has been developed
by coupling the advantages of low-temperature plasma-modification processes with surface chemical immobilization reactions
of catalysts. Poly(vinylidene fluoride) membranes have been modified with NH3 radiofrequency glow discharges in order
to graft amino groups at their surface, providing active sites for stable immobilization of tungsten-based heterogeneous catalysts.
Particular attention has been focused on tungstate, WO4
2-, and decatungstate, W10O32
4-, which act efficiently as catalysts
for the oxidation of secondary amines and as photocatalysts for the degradation of organic pollutants, respectively. Plasmamodified
membranes surface-tailored with WO4
2- have been used in catalytic membrane reactors to activate hydrogen
peroxide for oxidizing secondary amines to nitrones; membranes modified with W10O32
4- have been used for the complete degradation
of phenol. The obtained results, in terms of amine-nitrone conversion and phenol degradation, respectively, appear
extremely promising; these modified membranes can be considered as a pioneering, successful example of heterogenization of
W-based catalysts on plasma-treated membranes. (literal)
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- Autore CNR
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