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Deuerling, C.F. ; Maguhn, J. ; Nordsieck, H.O.* ; Warnecke, R.* ; Zimmermann, R.

Measurement system for characterization of gas and particle phase of high temperature combustion aerosols.

Aerosol Sci. Technol. 44, 1-9 (2010)
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A measurement system was developed to sample and analyze the particle and gas phase of high temperature combustion aerosols up to a particle aerodynamic diameter of approximately 3 mm. The rapid changes of aerosol composition and concentration caused by the inhomogeneous fuel and changing burning conditions were accommodated by a combined measurement of both gas and particle phase and a synchronous measurement of two identical systems at two different positions at the boiler. Based on works reported earlier, an air-cooled dilution probe was designed and adapted to the corrosive composition of the combustion aerosol by use of a silica glass inlet and a ceramic porous tube diluter (PTD). Directly behind the probe, the raw gas is passing a cyclone which precipitates the coarse particles > 25 mu m, and is then split into a gas analysis and a particle analysis branch. The particle branch, after further dilution and cooling to ambient temperature, is split for a simultaneous analysis by an APS and a low pressure impactor (ELPI or BLPI). The whole sampling line is conditioned to 300 degrees C until final dilution and cooling to ambient temperature. The measurement system was employed at different incineration plants between 220 degrees C and 950 degrees C for various experiments, e. g., time resolved concentration analysis during soot blowing cleaning routine. The mass concentration balance, including the content of the inlet, achieved a 92% match of the total slag mass balance of the investigated plant.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Gas phase; Pourous tube diluter (PTD); Incineration plants; particles; site distribution; chemical distribution
ISSN (print) / ISBN 0278-6826
e-ISSN 1521-7388
Quellenangaben Band: 44, Heft: 1, Seiten: 1-9 Artikelnummer: , Supplement: ,
Verlag Taylor & Francis
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Ecological Chemistry (IOEC)
Cooperation Group Comprehensive Molecular Analytics (CMA)