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Blumenstock, M.* ; Zimmermann, R. ; Schramm, K.-W. ; Kettrup, A.

Influence of combustion conditions on the PCDD/F-,PCB-,PCBz- and PAH-concentrations in the post-combustion chamber of a waste incineration pilot plant.

Chemosphere 40, 987-993 (2000)
DOI
Open Access Gold as soon as Publ. Version/Full Text is submitted to ZB.
xperiments at a pilot scale waste incinerator (0.5 MW thermal power) showed that the conditions in the postcombustion chamber (650-900 degrees C) are strongly influencing the formation of chlorinated and non-chlorinated aromatics. Non-optimal combustion conditions resulted in increased concentrations of mono- to trichlorinated dibenzo-p-dioxins (PCDD), dibenzofurans (PCDF) and polycyclic aromatic hydrocarbons (PAH), while chlorinated benzenes (PCBz), polychlorinated biphenyls (PCB) and the higher chlorinated PCDD/F are only weakly affected or even decrease. The changes in concentration of the compounds investigated over a time span of hours gave hints on 'memory effects' in this combustion zone. For mono- and dichlorinated benzenes, a high correlation (r(2) = 0.80) with the international toxicity equivalent (I-TEQ) value of PCDD/F was observed. As recently has been demonstrated, this correlation can be utilized for an indirect on-line measurement of the I-TEQ by a novel laser mass spectrometric technique (REMPI-TO-FMS).
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Publication type Article: Journal article
Document type Scientific Article
Keywords Waste incineration; Post combustions chamber; Flue gas; PCDD/F; I-TEQ; PCB; PCBz; PAH; Principle component analysis (PCA); Memory effects; Surrogate components; REMPI-TOFMS
Language english
Publication Year 2000
HGF-reported in Year 0
ISSN (print) / ISBN 0045-6535
e-ISSN 1879-1298
Journal Chemosphere
Quellenangaben Volume: 40, Issue: 9-11, Pages: 987-993 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place Kidlington, Oxford
Reviewing status Peer reviewed
Institute(s) Institute of Ecological Chemistry (IOEC)
PSP Element(s) G-505100-006
Erfassungsdatum 2000-12-31