Avaliação da reação foto-fenton na composição de resíduos de carrapaticida.
Avaliação da reação foto-fenton na composição de resíduos de carrapaticida.
Author(s): GROMBONI, C. F.; FERREIRA, A. G.; KAMOGAWA, M. Y.; NOGUEIRA, A. R. de A.
Summary: Experimental procedures based on factorial design and surface response methodology were applied to establishe experimental conditions for the decomposition of a 1:400 (v/v) Supocade® (chlorfenvinphos 13.8% and cypermethrin 2.6%) solution, used to control cattle ticks. Experiments exploring photo-oxidative reactions were performed with and without UV radiation, fixing exposition time and pesticide volume, and varying the oxidant mixture. The use of 3.6 mmol L-1 Fe2+ plus 1.9 mol L-1 H2O2 plus UV radiation provided destruction of 94% of the original carbon content and reduction of aromatic, aliphatic and carbinolic compounds, evaluated by determination of residual carbon content by ICP OES and NMR analysis.
Publication year: 2007
Types of publication: Journal article
Keywords: Decomposição, Radiação, Reação foto fenton, Resíduos de carrapticida
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