MONITORING ET ETUDE CINETIQUE DE LA DISSIPATION DE QUATRE HERBICIDES DE LA FAMILLE DES S-TRIAZINES DANS LES EAUX DE RINÇAGE DES FONDS DE CUVE ET DES PULVERISATEURS
Journal Title: Larhyss Journal - Year 2015, Vol 24, Issue 24
Abstract
The study of the monitoring and of the dissipation relate 4 herbicides (simazine, prometryn, terbutryn and Terbuthylazyne) of the family of s-triazine compounds. The study of the monitoring has shown that the four molecules are presented, all year round in the waters studied. This study also showed that simazine was the most commonly detected pesticide. Indeed, it was found in 80% of the samples, the highest concentration was 1.84 mg/L. As for the study of the dissipation of the herbicides selected in phytosanitary effluents, it was made by direct photolysis under polychromatic irradiation (sunlight) and put in the darkness. The results of the study show that in the absence of light, the rate of degradation of these four compounds has been weaker. The light thus has a slight effect on the dissipation of molecules. The terbutryn and terbuthylazine were the compounds the more persistent in the aquatic environment.
Authors and Affiliations
DIARRA M. | UFR Environnement, Université Jean Lorougnon GUEDE BP 150 Daloa, Côte d’Ivoire, KOUADIO L. D. | UFR Environnement, Université Jean Lorougnon GUEDE BP 150 Daloa, Côte d’Ivoire, MEITE L. | Laboratoire des Sciences de l’Environnement, UFR Sciences et Gestion de l’Environnement, Université Nangui Abrogoua 08 BP 801 Abidjan 08. Côte d’Ivoire, SORO D. B. | Laboratoire des Sciences de l’Environnement, UFR Sciences et Gestion de l’Environnement, Université Nangui Abrogoua 08 BP 801 Abidjan 08. Côte d’Ivoire, KOUAKOU K. P. | Laboratoire des Sciences de l’Environnement, UFR Sciences et Gestion de l’Environnement, Université Nangui Abrogoua 08 BP 801 Abidjan 08. Côte d’Ivoire, ABOUA K. N. | Laboratoire des Sciences de l’Environnement, UFR Sciences et Gestion de l’Environnement, Université Nangui Abrogoua 08 BP 801 Abidjan 08. Côte d’Ivoire, DEMBELE A. | Laboratoire Central d’Agronomie et d’Écotoxicologie (LCAE) LANADA 04 BP 612 Abidjan04, Côte d’Ivoire, MAMADOU K. | Laboratoire des Sciences de l’Environnement, UFR Sciences et Gestion de l’Environnement, Université Nangui Abrogoua 08 BP 801 Abidjan 08. Côte d’Ivoire, TRAORE K. S. | Laboratoire des Sciences de l’Environnement, UFR Sciences et Gestion de l’Environnement, Université Nangui Abrogoua 08 BP 801 Abidjan 08. Côte d’Ivoire
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