Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/52531
Título: Study of the photocatalytic activity of Pt-modified commercial for hydrogen production in the presence of common organic sacrificial agents
Autores/as: Melián, E. Pulido 
López, Cristina R.
Santiago, Dunia E. 
Quesada-Cabrera, Raúl
Ortega Méndez, J. A. 
Doña Rodríguez, J. M. 
Díaz, O. González 
Clasificación UNESCO: 2301 química analítica
Palabras clave: Ethanol
Ethylene glycol
Glycerol
Hydrogen
Methanol, et al.
Fecha de publicación: 2016
Publicación seriada: Applied Catalysis A: General 
Resumen: A detailed study is undertaken of the photocatalytic activity in hydrogen production of the commercial photocatalyst Kronos vlp7000 (KR) surface-modified with photodeposited platinum particles (2.1 wt% Pt). The influence of different photocatalytic variables is studied: photocatalyst loading, suspension pH value and the nature and concentration of the sacrificial agent used. Optimum pH was found to be neutral or slightly acidic. The catalyst loading, which ranged between 0.5 and 2 g L−1, had little effect on hydrogen production. In general, the results for the tested sacrificial agents in terms of hydrogen production were as follows (in descending order): methanol > ethanol > ethylene glycol > glycerol. In studies of reuse the commercial photocatalyst Kronos shows better perform in its photoactivity than the commercial photo-catalyst Aeroxide TiO2 P25. Finally, studies were also undertaken of photoactivity under solar radiation in which promising results were obtained (5.5–18 mL h−1).
URI: http://hdl.handle.net/10553/52531
ISSN: 0926-860X
DOI: 10.1016/j.apcata.2015.09.033
Fuente: Applied Catalysis A: General[ISSN 0926-860X],v. 518, p. 189-197
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