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Mobilité et disponibilité des HAP dans des systèmes terre-boue de station d'épuration

Abstract : The aim of this work is to understand how the valorisation of urban sewage sludges on soils can play on polycyclic aromatic hydrocarbons (PARs) mobility in soils. First, extractions and adsorption kinetics have been envolved in order to study P AHs affinities with organic matters of a sewage sludge and a soil. Second, PARs mobility has been studied during a 185 days long incubation experiment. Then, PARs disponibility for plants has been studied with greenhouse cultivated plants and wild plants grown on a sewage sludge storage plateform. These experiments shown that adsorption and extractibility of PARs is linked to the soil total organic carbon content. Addition of sewage sludge to the soil leeds to less immobilisation of PARs in soil, whereas this addition or mercury addition leeds to less PARs disponibility. The use of sewage sludges for culture fertilisation as it is ruled in France leeds to any direct effect on P AHs mobility and disponibility in soil.
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Submitted on : Thursday, March 29, 2018 - 12:40:34 PM
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  • HAL Id : tel-01750208, version 1


Carine Bryselbout. Mobilité et disponibilité des HAP dans des systèmes terre-boue de station d'épuration. Sciences agricoles. Institut National Polytechnique de Lorraine, 2002. Français. ⟨NNT : 2002INPL039N⟩. ⟨tel-01750208⟩



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