The Complexity of Lignin Thermal Degradation in the Isothermal Context
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http://hdl.handle.net/2183/28612
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The Complexity of Lignin Thermal Degradation in the Isothermal ContextAutor(es)
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2021-07Cita bibliográfica
López-Beceiro, J.; Díaz-Díaz, A.M.; Álvarez-García, A.; Tarrío-Saavedra, J.; Naya, S.; Artiaga, R. The Complexity of Lignin Thermal Degradation in the Isothermal Context. Processes 2021, 9, 1154. https://doi.org/10.3390/pr9071154
Resumo
[Abstract] Thermal degradation of lignin in nitrogen atmosphere is evaluated by linear heating and isothermal tests. While linear heating suggests that thermal decomposition in the 200–400 °C range mainly consists of a single step, a careful analysis of isothermal tests points to different lignin fractions having different stabilities. This is an important point for practical predictions, since kinetics obtained as if the degradations at different temperatures were the same would lack practical utility. Instead, stairway type tests are proposed to evaluate the degradation rates and sample quantities involved at the temperatures of interest.
Palabras chave
Lignin
Degradation
Isothermal
Pyrolysis
Complex
Thermogravimetry
Degradation
Isothermal
Pyrolysis
Complex
Thermogravimetry
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Dereitos
Atribución 4.0 Internacional
ISSN
2227-9717