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Preliminary screening of co-substrates for bioremediation of pyrene-contaminated soil through composting
Sayara, Tahseen A. S. (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química)
Sarrà i Adroguer, Montserrat (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental)
Sánchez Ferrer, Antoni (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental)

Fecha: 2009
Resumen: The feasibility of using different organic amendments of different origin and properties in the bioremediation of pyrene-contaminated soil by means of composting has been tested. The selected pyrene concentration was 1 g of pyrene per kg of dry soil. The organic amendments used include: raw organic fraction of municipal solid wastes (OFMSW), industrial compost from OFMSW composting (COFMSW), compost derived from home composting of OFMSW (HCOFMSW), anaerobically digested sludge (ADS), non-digested activated sludge (NDS) and centrifuged non-digested activated sludge (CNDS). The degradation rate was related to the amendment properties that directly affected the composting process. Raw OFMSW was not capable to enhance pyrene degradation in comparison to control, but stable HCOFMSW exhibited the highest removal rate (69%). The amendments stability and the temperatures reached as a consequence influenced the process, and thermophilic temperatures showed an inhibition effect on the microbial activity related to pyrene degradation. Some of the tested wastes need to be further investigated to find inexpensive organic amendments for soil bioremediation.
Nota: Número d'acord de subvenció MEC/CTM2006-00315/TECNO
Derechos: Tots els drets reservats
Lengua: Anglès.
Documento: article ; recerca ; submittedVersion
Materia: Composting ; Organic wastes ; Pyrene ; Soil ; Stability
Publicado en: Journal of hazardous materials, Vol. 172, Issues 2–3 (Dec. 2009) , p. 1695–1698, ISSN 0304-3894

DOI: 10.1016/j.jhazmat.2009.07.142

16 p, 78.0 KB

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Documentos de investigación > Documentos de los grupos de investigación de la UAB > Centros y grupos de investigación (producción científica) > Ingeniería > Grupo de Investigación en Compostaje (GICOM)
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