Please use this identifier to cite or link to this item: https://open.uns.ac.rs/handle/123456789/11227
Title: Prediction of gas-particle partitioning of polycyclic aromatic hydrocarbons based on M5′ model trees
Authors: Radonić, Jelena 
Ćulibrk, Dubravko 
Miloradov M.
Kukić, Branislav
Sekulić M.
Issue Date: 14-Dec-2011
Journal: Thermal Science
Abstract: During the thermal combustion processes of carbon-enriched organic compounds, emission of polycyclic aromatic hydrocarbons into ambient air occurs. Previous studies of atmospheric distribution of polycyclic aromatic hydrocarbons showed low correlation between the experimental values and Junge-Pankow theoretical adsorption model, suggesting that other approaches should be used to describe the partitioning phenomena. The paper evaluates the applicability of multivariate piece-wise-linear M5′ model-tree models to the problem of gas-particle partitioning. Experimental values ofparticle-associated fraction, obtained for 129 ambient air samples collected at 24 background, urban and industrial sites, were compared to the prediction results obtained using M5′ and the Junge-Pankow model. The M5′ approach proposed and models learned are able to achieve good correlation (correlation coefficient >0.9) for some low-molecular-weight compounds, when the target is to predict the concentration of gas phase based on the particle-associated phase. When converted to particle-bound fraction values, the results, for selected compounds, are superior to those obtained by Junge-Pankow model by several orders of magnitude, in terms of the prediction error.
URI: https://open.uns.ac.rs/handle/123456789/11227
ISSN: 03549836
DOI: 10.2298/TSCI100809005R
Appears in Collections:Naučne i umetničke publikacije

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