On-line measurement of chlorobenzene in waste incineration flue gas as a surrogate for the emission of polychlorinated dibenzo-p-dioxins/furans (I-TEQ) using mobile resonance laser ionization time-of-flight mass spectrometry

Ralf Zimmermann, Hans Jörg Heger, Martin Blumenstock, Ralph Dorfner, Karl Werner Schramm, Ulrich Boesl, Antonius Kettrup

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78 Scopus citations

Abstract

Mobile resonance-enhanced multiphoton ionization time-of-flight mass spectrometry (REMPI-TOFMS) was applied for on-line detection of surrogates for polychlorinated dibenzo-p-dioxins/furans (PCDD/F) in the flue gas of an industrial hazardous waste incineration plant (thermal power: 22 MW). Conventional gas chromatography/mass spectrometry (GC/MS) measurements have been performed to establish an indicator relation between the best suited surrogate (monochlorobenzene) and the PCDD/F concentration in the flue gas (measured in international toxicity equivalents, I-TEQ). The indicator relation allows the estimation of the actual PCDD/F emission from the on-line registered MCBz signal. Furthermore, several other aromatic components have been measured on-line. During transient instabilities of the combustion conditions, e.g. due to barrel uptake, highly dynamic changes in the emission profiles of substituted benzenes and polycyclic aromatic hydrocarbons (PAH) were observed.

Original languageEnglish
Pages (from-to)307-314
Number of pages8
JournalRapid Communications in Mass Spectrometry
Volume13
Issue number5
DOIs
StatePublished - 1999
Externally publishedYes

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