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Slow Pyrolysis of Sugarcane Bagasse for the Production of Char and the Potential of Its By-Product for Wood Protection

Febrina Dellarose Boer1,2,3, Jérémy Valette1,2, Jean-Michel Commandré1,2, Mériem Fournier3,4, Marie-France Thévenon1,2,*

1 CIRAD, UR BioWooEB, TA B-114/16, 73 Rue Jean-François Breton, F-34398 Montpellier, Cedex 5, France
2 BioWooEB, Université de Montpellier, CIRAD, Montpellier, France
3 AgroParisTech Centre de Nancy, Nancy, 54000, France
4 Université de Lorraine, AgroParisTech, INRA, UMR Silva, Nancy, F-54000, France

* Corresponding Author: Marie-France Thévenon. Email: email

Journal of Renewable Materials 2021, 9(1), 97-117.


Sugarcane bagasse was pyrolyzed using a laboratory fixed bed reactor to produce char and its by-product (pyrolysis liquid). The pyrolysis experiments were carried out using different temperatures (400°C and 500°C), heating rate (1 °C/min and 10 °C/min), and holding time (30 min and 60 min). Char was characterized according to its thermal properties, while the pyrolysis liquid was tested for its anti-fungal and anti-termite activities. Pyrolysis temperature and heating rate had a significant influence on the char properties and the yield of char and pyrolysis liquid, where a high-quality char and high yield of pyrolysis liquid can be obtained at a temperature of 500°C and a heating rate of 10 °C/min. The yield of char and pyrolysis liquid was 28.97% and 55.46%, respectively. The principal compounds of pyrolysis liquid were water, acetic acid, glycolaldehyde, 1-hydroxy-2-propanone, methanol, formic acid, levoglucosan, furfural, followed by some phenol compounds and guaiacol derivatives. Pyrolysis liquid at a concentration of 0.20% and 0.25% (v/v) caused a 100% inhibition of Coniophora puteana and Trametes versicolor, respectively, when performing inhibition growth tests in Petri dishes. Filter paper treated with 10% of pyrolysis liquid caused 100% of termite mortality, while only 5.65%–7.03% of the treated filter papers consumed by termites at such concentration. Pyrolysis liquid is potentially effective to be used in the formulation of wood protection against fungi and termites.


Cite This Article

Boer, F. D., Valette, J., Commandré, J., Fournier, M., Thévenon, M. (2021). Slow Pyrolysis of Sugarcane Bagasse for the Production of Char and the Potential of Its By-Product for Wood Protection. Journal of Renewable Materials, 9(1), 97–117.


cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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