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Soot oxidation kinetics from TG experiments

Can they be used reliably in diesel particulate filter modelling tools?

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Abstract

Thermogravimetric analysis (TG) has been used extensively for soot oxidation studies. Its known experimental and computational difficulties, however, have led to extended criticism concerning the reliability of the extracted kinetics and their potential for reliable reaction modelling. This study explores if TG kinetics could lead to successful simulation results notwithstanding the related disputes. For this, TG and mini-scale soot oxidation experiments with oxygen (O2) were conducted. The TG kinetics reliability was controlled through comparison with the corresponding mini-scale results and by the satisfactory simulation of the mini-scale experiments.

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Acknowledgements

We would like to acknowledge the valuable contribution of Dr. P. Pistikopoulos, A. Tzilvelis and D. Katsaounis, members of the laboratory staff, involved in the experimental study. We would also like to thank Dr. G. Koltsakis, Dr. O. Haralampous and I. Markomanolakis for their help on the DPF model. We also acknowledge the financial support of the Greek State Scholarship Foundation (IKY).

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Authors and Affiliations

  1. Laboratory of Applied Thermodynamics, Mechanical Engineering Department, Aristotle University Thessaloniki, P.O. Box 458, 541 24, Thessaloniki, Greece

    Maria Kalogirou & Zissis Samaras

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  1. Maria Kalogirou
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  2. Zissis Samaras
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Correspondence to Maria Kalogirou.

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Kalogirou, M., Samaras, Z. Soot oxidation kinetics from TG experiments. J Therm Anal Calorim 99, 1005–1010 (2010). https://doi.org/10.1007/s10973-010-0707-y

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  • DOI: https://doi.org/10.1007/s10973-010-0707-y

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