Claire Blanchard ; Pierre MOSZKOWICZ ; Florence Sanchez
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Caractérisation de la mobilisation potentielle des polluants inorganiques dans les sols pollués : approche méthodologique
1 Laboratoire d'Analyse Environnementale des Procédés et Systèmes Industriels
Ce travail vise à caractériser la mobilisation potentielle des polluants inorganiques contenus dans les sols pollues. Une revue exhaustive des tests de lixiviation existants a permis l’élaboration de fiches techniques, présentées sous forme de guide critique et discutées dans le cadre d’une commission Afnor. Apres une étude préliminaire des interactions sol-métaux sur sol naturel, des tests sélectionnes (extractions séquentielles, extractions simples, colonne de perco-lixiviation et Compact Granular Leach Test) ont été expérimentés sur un sol artificiellement pollue (As, Cr, Zn) ≪ frais ≫, puis vieilli, et un sol industriel contenant des métaux (As, Cr, Pb, Zn). La comparaison des résultats obtenus a permis de proposer une méthodologie de caractérisation de la mobilisation potentielle des polluants inorganiques contenus dans les sols pollues, nécessaire pour une évaluation approfondie des risques environnementaux.
Spatial and Temporal Stability of Major and Trace Element Leaching in Urban Stormwater Sediments
9 Documents citant cet article
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