Emissions of PBDD/Fs, PCDD/Fs and PBDEs from flame-retarded high-impact polystyrene under thermal stress

Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10045/44608
Información del item - Informació de l'item - Item information
Título: Emissions of PBDD/Fs, PCDD/Fs and PBDEs from flame-retarded high-impact polystyrene under thermal stress
Autor/es: Ortuño García, Nuria | Lundstedt, Staffan | Lundin, Lisa
Grupo/s de investigación o GITE: Residuos, Pirólisis y Combustión
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Ingeniería Química | Universidad de Alicante. Instituto Universitario de Ingeniería de los Procesos Químicos
Palabras clave: Thermal transformation | HIPS | BFRs | PBDEs | PBDD/Fs | PCDD/Fs
Área/s de conocimiento: Ingeniería Química
Fecha de publicación: mar-2015
Editor: Elsevier
Cita bibliográfica: Chemosphere. 2015, 123: 64-70. doi:10.1016/j.chemosphere.2014.10.085
Resumen: The emissions of polybrominated diphenyl ethers (PBDEs), polybrominated dibenzo-p-dioxins and dibenzofurans (PBDD/Fs) and their chlorinated analogues (PCDD/Fs) during the thermal treatment of a high impact polystyrene (HIPS) TV casing were investigated. The halogenated compounds were analyzed in the original material and in the gases emitted during its treatment at temperatures between 50 °C and 250 °C. DecaBDE was the primary PBDE in the TV casing, which also contained high levels of PBDFs (ppm range). At the lower treatment temperatures, non-modified PBDEs evaporated from the samples. Conversely, at 200 °C or above, debromination reactions led to the formation of additional tri- through nonaBDE. The formation of new PBDD/Fs was also detected in the gas phase when the plastic was heated to 200 °C or 250 °C, with higher yields of furans than dioxins. This appreciably increased the toxic equivalent (TEQ) levels of the gas phase relative to those seen in the untreated sample. In all cases, the levels and TEQ contributions from PCDD/Fs were negligible compared to those for brominated analogues.
Patrocinador/es: Support for this work was provided by the Generalitat Valenciana (research project Prometeo/2009/043/FEDER) and a mobility grant by the University of Alicante (Spain) that enabled Nuria Ortuño to visit Umeå University.
URI: http://hdl.handle.net/10045/44608
ISSN: 0045-6535 (Print) | 1879-1298 (Online)
DOI: 10.1016/j.chemosphere.2014.10.085
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2014 Elsevier Ltd.
Revisión científica: si
Versión del editor: http://dx.doi.org/10.1016/j.chemosphere.2014.10.085
Aparece en las colecciones:INV - REMAN - Artículos de Revistas

Archivos en este ítem:
Archivos en este ítem:
Archivo Descripción TamañoFormato 
Thumbnail2015_Ortuno_etal_Chemosphere_final.pdfVersión final (acceso restringido)439,93 kBAdobe PDFAbrir    Solicitar una copia
Thumbnail2015_Ortuno_etal_Chemosphere.pdfVersión revisada (acceso abierto)6,46 MBAdobe PDFAbrir Vista previa

Todos los documentos en RUA están protegidos por derechos de autor. Algunos derechos reservados.