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Open Access Gold as soon as Publ. Version/Full Text is submitted to ZB.
Toxic emissions during co-combustion of biomass-waste wood-lignite blends in an industrial boiler.
Chemosphere 43, 751-755 (2001)
The objectives of this work were to study the PCDD/F emissions during the co-combustion of waste wood/coal cocombustion in an industrial boiler and to determine the relation of the toxic emissions to the fuel properties. Cocombustion experiments were performed in a 13.8 MWthermal industrial moving grate combustor. The fuels which were examined in this study included Creek lignite, natural uncontaminated wood, power poles and medium density fibers (MDFs) which were by-products of the plant production process. Fuel blends were prepared by mixing single components in various concentrations, PCDD/F emissions were collected during experimental runs and were analyzed according to standard methods. Low PCDD/F emissions were obtained during the co-combustion tests, lower than the limit value of 0.1 ng TEQ/Nm(3). The lowest values were observed during the combustion of fuel blends containing MDF, possibly due to the inhibitory action of some of the N-containing MDF ingredients, such as urea. No direct correlation was found between the PCDD/F and the copper emissions, while examination of the PCDD/F homologue patterns revealed the predominance of the lower chlorinated isomers over the higher ones.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
PCDD/F emissions; Waste wood; Co-combustion
ISSN (print) / ISBN
0045-6535
e-ISSN
1879-1298
Journal
Chemosphere
Quellenangaben
Volume: 43 ,
Issue: 4-7,
Pages: 751-755
Publisher
Elsevier
Publishing Place
Kidlington, Oxford
Reviewing status
Peer reviewed
Institute(s)
Institute of Ecological Chemistry (IOEC)