Formation of brominated pollutants during the pyrolysis and combustion of tetrabromobisphenol A at different temperatures

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Título: Formation of brominated pollutants during the pyrolysis and combustion of tetrabromobisphenol A at different temperatures
Autor/es: Ortuño García, Nuria | Moltó Berenguer, Julia | Conesa, Juan A. | Font, Rafael
Grupo/s de investigación o GITE: Residuos, Pirólisis y Combustión
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Ingeniería Química
Palabras clave: Pyrolysis | Combustion | TBBPA | Brominated flame retardant | Dioxin
Área/s de conocimiento: Ingeniería Química
Fecha de publicación: ago-2014
Editor: Elsevier
Cita bibliográfica: Environmental Pollution. 2014, 191: 31-37. doi:10.1016/j.envpol.2014.04.006
Resumen: Tetrabromobisphenol A (TBBPA) is the most widely used brominated flame retardant worldwide. A detailed examination of the degradation products emitted during thermal decomposition of TBBPA is presented in the study. Runs were performed in a laboratory furnace at different temperatures (650 and 800 °C) and in different atmospheres (nitrogen and air). More than one hundred semivolatile compounds have been identified by GC/MS, with special interest in brominated ones. Presence of HBr and brominated light hydrocarbons increased with temperature and in the presence of oxygen. Maximum formation of PAHs is observed at pyrolytic condition at the higher temperature. High levels of 2,4-, 2,6- and 2,4,6- bromophenols were found. The levels of polybrominated dibenzo-p-dioxins and furans have been detected in the ppm range. The most abundant isomers are 2,4,6,8-TeBDF in pyrolysis and 1,2,3,7,8-PeBDF in combustion. These results should be considered in the assessment of thermal treatment of materials containing brominated flame retardants.
Patrocinador/es: Support for this work was provided by the Generalitat Valenciana (Spain), research project Prometeo/2009/043/FEDER, and by the Spanish Ministry of Education and Science, research project CTQ2008-05520.
URI: http://hdl.handle.net/10045/37288
ISSN: 0269-7491 (Print) | 1873-6424 (Online)
DOI: 10.1016/j.envpol.2014.04.006
Idioma: eng
Tipo: info:eu-repo/semantics/article
Revisión científica: si
Versión del editor: http://dx.doi.org/10.1016/j.envpol.2014.04.006
Aparece en las colecciones:INV - REMAN - Artículos de Revistas

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