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Removal of chlorothalonil, methyl parathion and methamidophos from water by the fenton reaction

Tipo de material: Artículo impreso(a) Artículo impreso(a) Idioma: Inglés Tema(s) en español: Formatos físicos adicionales disponibles:
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 En: Environmental Technology volumen 28, número 3 (Mar 2007), páginas 267-272Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso Resumen:
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The efficiency of a dark Fenton system (H2O2/Fe2+) to remove chlorothalonil from water, alone and in the presence of the organophosphorous pesticides methyl parathion and methamidophos, was evaluated. Here we show that the process is rapid and efficient. Nearly complete degradation of chlorothalonil and methyl parathion (98%) was observed in less than 10 min whereas methamidophos showed similar levels of efficiency only after 40 to 90 min. Formulating agents did not appear to impair the degradation of active ingredients. Interactions during the degradation of mixtures of the three pesticides only appeared to affect methamidophos degradation.

Número de sistema: 43195
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Artículos Biblioteca Electrónica Recursos en línea (RE) ECOSUR Recurso digital ECO400431956759
Artículos Biblioteca Tapachula Artículos Hemeroteca (AR HM) ECOSUR 001 Disponible 950317C43195-10

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The efficiency of a dark Fenton system (H2O2/Fe2+) to remove chlorothalonil from water, alone and in the presence of the organophosphorous pesticides methyl parathion and methamidophos, was evaluated. Here we show that the process is rapid and efficient. Nearly complete degradation of chlorothalonil and methyl parathion (98%) was observed in less than 10 min whereas methamidophos showed similar levels of efficiency only after 40 to 90 min. Formulating agents did not appear to impair the degradation of active ingredients. Interactions during the degradation of mixtures of the three pesticides only appeared to affect methamidophos degradation. Español

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