Dilution-based emissions sampling from stationary sources: Part 2--gas-fired combustors compared with other fuel-fired systems.(TECHNICAL PAPER)(Report)

Journal of the Air & Waste Management Association, January, 2007 by England, Glenn C.; Watson, John G.; Chow, Judith C.; Zielinska, Barbara; Chang, M.-C. Oliver; Loos, Karl R.; Hidy, George M.

ABSTRACT

With the recent focus on fine particle matter ([PM.sub.2.5]), new, self-consistent data are needed to characterize emissions from combustion sources. Such data are necessary for health assessment and air quality modeling. To address this need, emissions data for gas-fired combustors are presented here, using dilution sampling as the reference. The dilution method allows for collection of emitted particles under conditions simulating cooling and dilution during entry from the stack into the air. The sampling and analysis of the collected particles in the presence of precursor gases, S[O.sub.2], nitrogen oxide, volatile organic compound, and N[H.sub.3] is discussed; the results include data from eight gas fired units, including a dual-fuel...

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