| Title: | Pilot-scale studies on the effect of bromine addition on the emissions of chlorinated organic combustion by-products |
| Author(s): | Lemieux PM; Stewart ES; Ryan JV; |
| Address: | "US Environmental Protection Agency, Office of Research and Development, National Risk Management Research Laboratory, Research Triangle Park, NC 27711, USA. lemieux.paul@epa.gov" |
| DOI: | 10.1016/s0956-053x(02)00020-x |
| ISSN/ISBN: | 0956-053X (Print) 0956-053X (Linking) |
| Abstract: | "The addition of brominated organic compounds to the feed of a pilot-scale incinerator burning chlorinated waste has been found previously, under some circumstances, to enhance emissions of volatile and semivolatile organic chlorinated products of incomplete combustion (PICs) including polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDDs/Fs). This phenomenon appears to be sensitive to temperature and combustion conditions. This paper reports on a study to evaluate the emissions of organic combustion by-products while varying amounts of bromine (Br) and chlorine (Cl) are being fed into a pilot-scale incinerator burning surrogate waste materials. The surrogate waste was fed at a constant molar halogen input rate, with varying Br/Cl molar ratios. In these tests, an approximately 30% decrease in the total PCDD/F concentrations due to the addition of Br was observed. This decrease appears to be a decrease only in the chlorinated dioxin and furan species; other halogenated dioxins and furans were formed instead. PCDD/F homologue distribution shifted towards the higher chlorinated species. Perhalogenated or nearly perhalogenated mixed bromo-chloro furans were also observed in quantities that could potentially account for the observed decrease in PCDDs/Fs. This research illustrates the need for careful trial burn planning if Br will be present in the facility's feed-stock during normal operation" |
| Keywords: | "Benzofurans/*analysis Bromine/*chemistry Dibenzofurans, Polychlorinated Environmental Pollutants/*analysis Forecasting Incineration Polychlorinated Biphenyls/*analysis Polychlorinated Dibenzodioxins/*analogs & derivatives/*analysis *Refuse Disposal Soil P;" |
| Notes: | "MedlineLemieux, P M Stewart, E S Ryan, J V eng 2002/07/09 Waste Manag. 2002; 22(4):381-9. doi: 10.1016/s0956-053x(02)00020-x" |
