PCDD/F and dioxin-like PCB concentrations during municipal solid waste biomethanation and subsequent composting

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Títol: PCDD/F and dioxin-like PCB concentrations during municipal solid waste biomethanation and subsequent composting
Autors: Muñoz Fernández, María | Gómez-Rico, María Francisca | Font, Rafael
Grups d'investigació o GITE: Residuos, Pirólisis y Combustión
Centre, Departament o Servei: Universidad de Alicante. Departamento de Ingeniería Química
Paraules clau: Biomethanation | Composting | MSW | PCDD/Fs | PCBs
Àrees de coneixement: Ingeniería Química
Data de publicació: de març-2014
Editor: Elsevier
Citació bibliogràfica: Chemosphere. 2014, 98: 73-77. doi:10.1016/j.chemosphere.2013.10.004
Resum: PCDD/F and dioxin-like PCB concentrations were compared in different samples of a municipal solid waste (MSW) treatment plant: the initial MSW fraction that enters the biomethanation from the digester, the semi-solid digestate obtained after biomethanation of MSW, and the solids after composting the digestate since the final product is destined for land application and special attention must be paid to these compounds for environmental considerations. The initial MSW sample showed low concentrations of PCDD/Fs, although in the biomethanation output sample the concentration was more than ten times higher. The difference was even more significant for PCBs. In compost samples concentrations for both PCDD/Fs and PCBs were in the same range as in biomethanation or lower. Nevertheless, concentrations found for all samples were low and these treatments do not pose a major problem for the environment in the working conditions used.
Patrocinadors: Support for this work was provided by the Project CTQ 2008-05520 of the Spanish Ministry of Science and Innovation and the project Prometeo 2009/043/FEDER of the Valencian Community.
URI: http://hdl.handle.net/10045/37725
ISSN: 0045-6535 (Print) | 1879-1298 (Online)
DOI: 10.1016/j.chemosphere.2013.10.004
Idioma: eng
Tipus: info:eu-repo/semantics/article
Revisió científica: si
Versió de l'editor: http://dx.doi.org/10.1016/j.chemosphere.2013.10.004
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