Please use this identifier to cite or link to this item: https://accedacris.ulpgc.es/handle/10553/43748
Title: Effect of TiO2-Pd and TiO2-Ag on the photocatalytic oxidation of diclofenac, isoproturon and phenol
Authors: Espino-Estévez, M. R.
Fernández Rodríguez, Cristina 
González Díaz, Oscar Manuel 
Araña Mesa, Francisco Javier 
Espinós, J. P.
Ortega Méndez, José Alejandro 
Doña-Rodríguez, José M. 
UNESCO Clasification: 3303 ingeniería y tecnología químicas
Keywords: TiO2-Pd
TiO2-Ag
Photodeposition
Phenol
Isoproturon, et al.
Issue Date: 2016
Journal: Chemical Engineering Journal 
Abstract: The effects of silver and palladium metals on the photocatalytic degradation of diclofenac sodium salt (DCF), isoproturon (IP) and phenol (PHL) in water over lab-made TiO2 synthesized following a sol–gel method were investigated. Silver and palladium catalysts were prepared by photodeposition at 1 wt.% of loading metal. The resulting materials were characterized through BET, XRD, TEM, SEM, XPS and DRS-UV–Vis. The photodeposition test conditions of both metals determined their final oxidation state, with reduced particles of palladium and silver as well as silver oxides found on the catalysts. The results showed that the type of metal had different effects on the photodegradation mechanism depending on the nature of the pollutants. Accordingly, the highest degradation rate for IP and DCF was obtained when using the catalyst photodeposited with palladium and for PHL the catalyst photodeposited with silver. The photodegradation intermediates of PHL, DCF and IP were also identified.
URI: https://accedacris.ulpgc.es/handle/10553/43748
ISSN: 1385-8947
DOI: 10.1016/j.cej.2016.04.016
Fuente: Chemical Engineering Journal [ISSN 1385-8947], v. 298, p. 82-95
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