Chemical and toxicological assessment of a full-scale biosolid compost

The impact of a full‐scale biosolid composting plant on the fate of a broad range of priority organic pollutants was investigated. Chemical analysis was performed at different steps of the process during two seasons. Simultaneously, the toxicological quality was assessed using estrogen α‐, dioxin‐,...

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Bibliographic Details
Published in:Environmental toxicology and chemistry 2012-12, Vol.31 (12), p.2748-2756
Main Authors: Patureau, Dominique, Delgenes, Nadine, Muller, Mathieu, Dagnino, Sonia, Lhoutellier, Claire, Delgenes, Jean-Philippe, Balaguer, Patrick, Hernandez-Raquet, Guillermina
Format: Article
Language:English
Subjects:
Cell Line
Cells
Chemical analysis
Composting
Composts
Dioxins
Endocrine disrupters
Environmental assessment
Environmental impact
Environmental risk
Environmental Sciences
Estrogens
HeLa Cells
Human nuclear receptors
Humans
Life Sciences
MCF-7 Cells
Organic contaminants
Organic pollutants
Organic waste
Organic wastes
Pollutants
Receptors, Aryl Hydrocarbon - metabolism
Receptors, Estrogen - metabolism
Receptors, Steroid - metabolism
Risk Assessment
Sludge
Soil - chemistry
Soil Pollutants - toxicity
Temperature
Toxicity Tests
Toxicology
Waste disposal
Waste Disposal, Fluid
Water Pollutants, Chemical - toxicity
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Summary:The impact of a full‐scale biosolid composting plant on the fate of a broad range of priority organic pollutants was investigated. Chemical analysis was performed at different steps of the process during two seasons. Simultaneously, the toxicological quality was assessed using estrogen α‐, dioxin‐, and pregnane X‐receptor reporter cell lines. Mass‐balance calculation highlighted the removal of easily degradable pollutants during composting. The important variations observed for each compound and for the two seasons might be explained by pollutant‐fate dependency on process parameters like temperature. The final compost displayed low pregnane X activity but high estrogenic activity. The dioxin‐like activity stayed constant through the process. The chemical and toxicological results highlight the importance of combining both approaches to accurately assess the compost quality. Such compilation of data on full‐scale processes may be also very helpful for the environmental risk assessment of new organic waste disposal practices. Environ. Toxicol. Chem. 2012; 31: 2748–2756. © 2012 SETAC
ISSN:0730-7268
1552-8618
DOI:10.1002/etc.2002