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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Carrère, H. Barret, M. Barcia, G. Cea Guillon, A. Patureau, D. |
| Description | Country affiliation: France Author Affiliation: Barret M ( INRA, UR 050, Laboratoire de Biotechnologie de l'Environnement, Narbonne, France. barret@supagro.inra.fr) |
| Abstract | The removal of 13 polycyclic aromatic hydrocarbons, 7 polychlorobiphenyls and nonylphenol was measured during the continuous anaerobic digestion of five different sludge samples. The reactors were fed with one of the following: primary/secondary sludge (PS/SS), thermally treated PS, cellulose-added SS, or SS augmented with dissolved and colloidal matter (DCM). These various feeding conditions induced variable levels of micropollutant bioavailability (assumed to limit their biodegradation) and overall metabolism (supposed to be linked to micropollutant metabolism throughout co-metabolism). On the one hand, overall metabolism was higher with secondary sludge than with primary and the same was observed for micropollutant removal. However, when overall metabolism was enhanced thanks to cellulose addition, a negative influence on micropollutant removal was observed. This suggests that either the co-metabolic synergy would be linked to a specific metabolism or co-metabolism was not the limiting factor in this case. On the other hand, micropollutant bioavailability was presumably diminished by thermal treatment and increased by DCM addition. In both cases, micropollutant removal was reduced. These results suggest that neither overall metabolism nor bioavailability would absolutely limit micropollutant removal. Each phenomenon might alternatively predominate depending on the feed characteristics. |
| ISSN | 03043894 |
| Issue Number | 1-3 |
| Volume Number | 181 |
| e-ISSN | 18733336 |
| Journal | Journal of Hazardous Materials |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2010-09-15 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Polycyclic Hydrocarbons, Aromatic Metabolism Sewage Microbiology Anaerobiosis Biodegradation, Environmental Biological Availability Bioreactors Cellulose Phenols Polychlorinated Biphenyls Journal Article Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Pollution Waste Management and Disposal Health, Toxicology and Mutagenesis Environmental Engineering |
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