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Title: The effect of aliphatic carboxylic acids on the photocatalytic degradation of p-nitrophenol
Authors: Araña, J. 
Rodríguez López, V.M.
Rodríguez, J. M.Doña 
Melián, J. A.Herrera 
Peña, J. Pérez 
UNESCO Clasification: 330301 Tecnología de la catálisis
Keywords: p-Nitrophenol
Carboxylic acid
Issue Date: 2007
Publisher: 0920-5861
Project: Tratamiento de Aguas Residuales Urbanas E Industriales Mediante Sistemas Naturales de Depuración, Sistemas Fotocatalíticos y Su Combinación. 
Journal: Catalysis Today 
Abstract: The effect of the presence of formic, oxalic and acetic acids on photocatalytic degradation of p-nitrophenol has been studied. Adsorption and FTIR studies indicated that the presence of such acids modifies p-nitrophenol interaction with TiO2 surface, which is more rapidly degraded. The higher degradation rate constants have been correlated with interaction changes and radicals generated in the degradation of carboxylic acids. The presence of H2O2 did not affect the mechanism responsible for the faster p-nitrophenol degradation in the presence of acetic or oxalic acids. However, formic acid seems to hamper the production of OHradicals from H2O2 degradation.
ISSN: 0920-5861
DOI: 10.1016/j.cattod.2007.08.007
Source: Catalysis Today [ISSN 0920-5861], v. 129, p. 185-193
Appears in Collections:Artículos
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