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

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Title: Formation of brominated pollutants during the pyrolysis and combustion of tetrabromobisphenol A at different temperatures
Authors: Ortuño García, Nuria | Moltó Berenguer, Julia | Conesa, Juan A. | Font, Rafael
Research Group/s: Residuos, Pirólisis y Combustión
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Química
Keywords: Pyrolysis | Combustion | TBBPA | Brominated flame retardant | Dioxin
Knowledge Area: Ingeniería Química
Issue Date: Aug-2014
Publisher: Elsevier
Citation: Environmental Pollution. 2014, 191: 31-37. doi:10.1016/j.envpol.2014.04.006
Abstract: 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.
Sponsor: 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
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Publisher version: http://dx.doi.org/10.1016/j.envpol.2014.04.006
Appears in Collections:INV - REMAN - Artículos de Revistas

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