Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/53638
Title: Combining TiO2-photocatalysis and wetland reactors for the efficient treatment of pesticides
Authors: Araña Mesa, Francisco Javier 
Garriga i Cabo, C.
Fernández Rodríguez, Cristina 
Herrera Melián, José Alberto 
Ortega Méndez, José Alejandro 
Doña Rodríguez, José Miguel 
Pérez Peña, Jesús 
UNESCO Clasification: 3303 ingeniería y tecnología químicas
221001 Catálisis
Keywords: Photocatalysis
Pesticides
Toxicity
Wetland reactors
Issue Date: 2008
Project: Contratacion de Nuevo Personal Investigador Por Centros de Investigacion Cientifica y Desarrollo Tecnologico 2003 (Programa Ramon y Cajal) 
Tratamiento de Aguas Residuales Urbanas E Industriales Mediante Sistemas Naturales de Depuración, Sistemas Fotocatalíticos y Su Combinación. 
Journal: Chemosphere 
Abstract: In the present work the photocatalytic and biological degradation of two commercial mixtures of pesticides (Folimat and Ronstar) and two fungicides (pyrimethanil and triadimenol) has been studied. The evolution of some components of these commercial products (dicofol, tetradifon and oxadiazon) and that of the two fungicides has been monitored by means of HPLC, GC–MS, TOC and toxicity (Lemna minor toxicity test) measurements. The photocatalytic method was able to degrade dicofol, tetradifon, pyrimethanil, triadimenol and the components of Ronstar with the exception of oxadiazon. In addition to this, the photocatalytic method eliminated pyrimethanil toxicity and reduced that of triadimenol by a 90%, Ronstar by a 78% and Folimat by an 87%. Nevertheless, the wetland reactors alone could reduce the toxicity of only the former. Finally, the proper dosage of the water containing the pesticides to a photocatalytic reactor followed by a wetland reactor resulted to be the most successful strategy for the detoxification of the studied compounds and their mixtures.
URI: http://hdl.handle.net/10553/43752
ISSN: 0045-6535
DOI: 10.1016/j.chemosphere.2007.10.008
Source: Chemosphere [ISSN 0045-6535], v. 71 (4), p. 788-794
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