Characterization of air toxics from oil-fired firetube boiler
Journal Article
·
· Journal of the Air and Waste Management Association
- EPA, Research Triangle Park, NC (United States)
- Acurex Environmental Corporation, Research Triangle Park, NC (United States)
Tests were conducted on a commercially available firetube package boiler running on No. 2 through No. 6 oils to determine the emissions levels of hazardous air pollutants from the combustion of four fuel oils. Measurements of carbon monoxide, nitrogen oxides, particulate matter, and sulfur dioxide stack gas concentrations were made for each oil. Flue gases were also sampled to determine levels of volatile and semivolatile organic compounds and of metals. Analytical procedures were used to provide more detailed information regarding the emissions rates for carbonyls (aldehydes and ketones), and polycyclic aromatic hydrocarbons (PAHs) in addition to the standard analyses for volatile and semivolatile organics. Metals emissions were greater than organic emissions for all oils tested, by an order of magnitude. Carbonyls dominated the organic emissions, with emission rates more than double the remaining organics for all four oils tested. Formaldehyde made up the largest percentage of carbonyls, at roughly 50% of these emissions for three of the four oils, and approximately 30% of the carbonyl emissions from the low sulfur No. 6 oil. Naphthalene was found to be the largest part of the PAH emissions for three of the four oils, with phenanthrene being greatest for the No. 2 fuel oil. The flue gases were also sampled for polychlorinated dibenzodioxins and polychlorinated dibenzofurans. 9 refs., 4 figs., 8 tabs.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 374504
- Journal Information:
- Journal of the Air and Waste Management Association, Journal Name: Journal of the Air and Waste Management Association Journal Issue: 8 Vol. 46; ISSN 1047-3289; ISSN JAWAEB
- Country of Publication:
- United States
- Language:
- English
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