Abstract
Ozonation of aspen sawdust of various moisture content (MC) values was investigated. Ozone consumption corresponding to the completion of the ozonation process was shown to be governed by the wood MC. Cellulose-containing material of a low (1-3 %) residual lignin content (LC) was produced under ozonation. It is proposed that ozone dissolved in water is responsible for delignification. The conversion of lignin during softwood ozonation was investigated by UV and Fourier transform-infrared (FT-IR) spectroscopy. The pathways of lignin transformations are influenced by wood MC value. © 2009 IUPAC.
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Mamleeva, N. A., Autlov, S. A., Bazarnova, N. G., & Lunin, V. V. (2009). Delignification of softwood by ozonation. In Pure and Applied Chemistry (Vol. 81, pp. 2081–2091). https://doi.org/10.1351/PAC-CON-08-10-11
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