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A five step pyrolysis mechanism for wood burning models

H. Mätzing, H.J. Gehrmann, D. Merz, T. Kolb, H. Seifert
2011

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Many similar experimental results, but many different interpretations. Approach in this work • TG measurements at several heating rates • Three and five step global models developed using monomer formulas for wood components: C 6 H 10 O 5 cellulose  gas + 2.5 C  0.75 tar + gas + 0.625 C C 6 H 10 O 5 tar  gas C 5 H 8 O 4 hemicellulose  gas + 2 C C 10 H 10 O 4 lignin  gas + 4.3 C Properties of Global Models • Rate constants fitted to global reactions are subject to the assumed mechanism,
more » ... e they are not exchangeable between different models, in contrast to elementary reactions. • In 1 and 3 step models, fitted rate constants depend on heating rates, which is plausible only for samples of large size.
doi:10.5445/ir/220083440 fatcat:hw7jfcw2kvbbvnw4lwkhtxglwy
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H. Mätzing, H.J. Gehrmann, D. Merz, T. Kolb, H. Seifert. "A five step pyrolysis mechanism for wood burning models." (2011)