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Título: | Photo-mineralization of noxious o-toluidine water pollutant by nano-ZnO: The role of the oxide surface texture on the kinetic path |
Autor: | Pifferi, Valentina; Cappelletti, Giuseppe; Ardizzone, S.; Falciola, Luigi; Di Bari, Chiara; Spadavecchia, Francesca; Meroni, Daniela; Carrà, A.; Cerrato, G.; Morandi, S.; Davoli, E. | Palabras clave: | ZnO nanoparticles Photodegradation LC/MS Kinetic paths o-Toluidine |
Fecha de publicación: | nov-2015 | Editor: | Elsevier | Citación: | Applied Catalysis B: Environmental 178: 233-240 (2015) | Resumen: | Highly toxic o-toluidine pollutant was photo-degraded in water by using ZnO nanoparticles. The tested powders were both commercial and laboratory-made, the latter obtained by means of two innovative synthetic procedures. The disappearance and the relative mineralization of the molecule were followed by HPLC/UV and TOC determinations, respectively. Intermediate products were identified by coupling LC/MS of the eluate after 3 h of reaction and ATR-FTIR analyses of the used ZnO powders at the end of photocatalytic tests. Selected degradation paths, characterized by different kinetic degradation rates, can be suggested as a function of the different surface texture, the effective photocatalytic active area and the e−/h+ recombination processes of the ZnO particles. | Versión del editor: | https://doi.org/10.1016/j.apcatb.2014.08.043 | URI: | http://hdl.handle.net/10261/190052 | DOI: | 10.1016/j.apcatb.2014.08.043 | ISSN: | 0926-3373 |
Aparece en las colecciones: | (ICP) Artículos |
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