http://www.cnr.it/ontology/cnr/individuo/prodotto/ID177684
Global intrinsic kinetics of wood oxidation (Articolo in rivista)
- Type
- Label
- Global intrinsic kinetics of wood oxidation (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
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- Carmen Branca; Colomba Di Blasi (literal)
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- Pagina fine
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- Rivista
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- Dipartimento di Ingegneria Chimica, Universita´ degli Studi di Napoli Federico II, P.le V. Tecchio, Napoli 80125, Italy (literal)
- Titolo
- Global intrinsic kinetics of wood oxidation (literal)
- Abstract
- Weight loss curves of two wood species (beech and Douglas fir) have been measured in air for four heating rates between 5-40 K/min and
a final temperature of 873 K. A four-step series mechanism describes well the details of the thermogravimetric curves of the
devolatilization/combustion process. The rates of the first three reactions are linear in the solid mass fraction and the activation energies are
106, 226 and 114 kJ/mol, respectively. The fourth step presents a power-law dependence ðn ¼ 1:54Þ on the solid mass fraction and an
activation energy of 183 kJ/mol. Pre-exponential factors and stoichiometric coefficients take into account the differences between the two
wood species. (literal)
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