Titre :

Comparison of a bioremediation process of PAHs in a PAH-contaminated soil at field and laboratory scales

Auteur(s) :

Lors, Christine [Auteur correspondant]
Laboratoire de Génie Civil et Géo-Environnement (LGCgE) - ULR 4515 [LGCgE]
Centre for Materials and Processes [CERI MP - IMT Nord Europe]
Damidot, Denis [Auteur]
Centre for Materials and Processes [CERI MP - IMT Nord Europe]
Ponge, Jean-François [Auteur]
Mécanismes adaptatifs : des organismes aux communautés [MAOAC]
Périé, Frédéric [Auteur]

Titre de la revue :

Environmental Pollution

Pagination :

11-17

Éditeur :

Elsevier

Date de publication :

2012-03-03

ISSN :

0269-7491

Mot(s)-clé(s) en anglais :

bioremediation
contaminated soils
polycyclic aromatic hydrocarbons (PAHs)
laboratory and field experiments
bacterial diversity

Discipline(s) HAL :

Sciences du Vivant [q-bio]/Sciences agricoles/Science des sols

Résumé en anglais : [en]

A laboratory experiment was carried on the same initial soil and at the same time than a windrow treatment in order to compare results at field and laboratory scales for a soil mainly contaminated with PAHs. After 6 months, ...
Lire la suite >A laboratory experiment was carried on the same initial soil and at the same time than a windrow treatment in order to compare results at field and laboratory scales for a soil mainly contaminated with PAHs. After 6 months, laboratory experiments gave similar but less scattered results than those obtained in the field indicating that the field biotreatment was well optimised. The total amount of PAHs degraded after 6 months was ca. 90% and degradation rates followed a negative exponential trend. Relative degradation rates of 3- and 4-ring PAHs were about 32 and 7.2 times greater than those of 5- and 6-ring PAHs, respectively. With respect to the bacterial community, bacteria belonging to Gamma-proteobacteria persisted whereas Beta-proteobacteria appeared after three months of biotreatment when PAH concentration was low enough to render the soil non-ecotoxic.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Collections :

• Laboratoire Génie Civil et géo-Environnement (LGCgE) - ULR 4515

Source :

Harvested from HAL

Date de dépôt :

2025-02-25T13:54:24Z