Article (Scientific journals)
Long-term fate of exogenous metals in a sandy Luvisol subjected to intensive irrigation with raw wastewater
Dere, Christelle; Lamy, Isabelle; Jaulin, Anne et al.
2007In Environmental Pollution, 145, p. 31-40
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Keywords :
Wastewater irrigation; Speciation; Sequential extractions; Sandy soil; Exogenous metals
Abstract :
[en] From 1899 to 2002, sandy Luvisol in the Paris region has been intensively irrigated with raw wastewater, resulting in major soil pollution by metallic trace elements (MTE). To identify the soil phases implicated in retaining these metals, sequential extractions were performed on a solum irrigated with untreated wastewater and another reference solum. The endogenous and exogenous fractions of MTE in the contaminated soil were discriminated using correlations between MTE and major elements defined from unpolluted soils of the area. In the contaminated soil no exogenous lead and chromium are present below the surface horizon, whereas exogenous zinc and copper are found down to the base of the solum. The endogenous MTE are mainly found in the residual fraction. Exogenous MTE appear to be associated with organic matter in the surface horizon, and exogenous zinc seems to be readsorbed on iron and manganese oxyhydroxides in the underlying horizons.
Disciplines :
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Author, co-author :
Dere, Christelle ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech
Lamy, Isabelle;  Institut national de la Recherche Agronomique - INRA > Envrionnement et Agronomie > Unité de Science du Sol, Versailles
Jaulin, Anne;  Institut National de la Recherche Agronomique - INRA > Environnement et Agronomie > Unité de Science du Sol, Versailles
Cornu, Sophie;  Institut National de la recherche Agronomique > Environnement et Agronomie > Unité de Science du Sol, Orléans
Language :
English
Title :
Long-term fate of exogenous metals in a sandy Luvisol subjected to intensive irrigation with raw wastewater
Publication date :
2007
Journal title :
Environmental Pollution
ISSN :
0269-7491
eISSN :
1873-6424
Publisher :
Elsevier Science, Oxford, United Kingdom
Volume :
145
Pages :
31-40
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
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