Volatile species release during torrefaction of wood and its macromolecular constituents: Part 1 – Experimental study

Timothée Nocquet, Capucine Dupont, Jean-Michel Commandre, Maguelone Grateau, Sébastien Thiery and Sylvain Salvador

Energy, 2014, vol. 72, issue C, 180-187

Abstract: Torrefaction tests were carried out in a thermobalance and in a lab-scale device on beechwood and on its constituents – cellulose, lignin and xylan. The main volatile species measured were water, formaldehyde, acetic acid and carbon dioxide. Thanks to measurement before volatiles condensation, the yield of formaldehyde was shown to be higher than usually observed in literature. Smaller amounts of methanol, carbon monoxide, formic acid and furfural were also quantified. Each constituent did not produce all species. Beech torrefaction could be described by the summative contribution of its three constituents up to 250 °C. At 280 °C and 300 °C, tests performed with constituents mixtures showed that there were interactions between cellulose and the two other constituents. A hypothetical mechanism was proposed to explain these interactions.

Keywords: Biomass; Cellulose; Hemicellulose; Lignin; Torrefaction; Volatiles (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (14)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:72:y:2014:i:c:p:180-187

DOI: 10.1016/j.energy.2014.02.061

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