Enhanced formation of dioxins and furans from combustion devices by addition of trace quantities of bromine
Journal Article
·
· Waste Management
- Environmental Protection Agency, Research Triangle Park, NC (United States). Air Pollution Prevention and Control Div.
Past pilot-scale experimental studies have shown a dramatic increase in the formation of certain chlorinated products of incomplete combustion (PICs) caused by the addition of trace amounts of bromine (Br). Emissions of trichloroethylene and tetrachloroethylene, generated as PICs from the fuel-lean combustion of methylene chloride, were enhanced by up to 3 orders of magnitude by introducing Br in the form of methylene bromide at a constant halogen molar input rate with a 1:10 Br/chlorine (Cl) molar ratio. The two chlorinated PICs in question are both potential ring growth precursors, which could lead to enhanced formation of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDDs/PCDFs). The experiments described in this paper expand on this earlier work by examining the effect of trace amounts of Br on the formation of PCDDs/PCDFs, in addition to other chlorinated, brominated, and mixed bromo-chloro organic PICs.
- OSTI ID:
- 347624
- Report Number(s):
- CONF-980513--
- Journal Information:
- Waste Management, Journal Name: Waste Management Journal Issue: 6-8 Vol. 18; ISSN WAMAE2; ISSN 0956-053X
- Country of Publication:
- United States
- Language:
- English
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