Pyrolysis of softwood carbohydrates in a fluidized bed reactor

A1 Journal article (refereed)

Internal Authors/Editors

Publication Details

List of Authors: Aho A, Kumar N, Eranen K, Holmbom B, Hupa M, Salmi T, Murzin DY
Publisher: MDPI AG
Publication year: 2008
Journal: International Journal of Molecular Sciences
Journal acronym: INT J MOL SCI
Volume number: 9
Issue number: 9
Start page: 1665
End page: 1675
Number of pages: 11
ISSN: 1661-6596


In the present work pyrolysis of pure pine wood and softwood carbohydrates, namely cellulose and galactoglucomannan (the major hemicellulose in coniferous wood), was conducted in a batch mode operated fluidized bed reactor. Temperature ramping (5 degrees C/min) was applied to the heating until a reactor temperature of 460 degrees C was reached. Thereafter the temperature was kept until the release of non-condensable gases stopped. The different raw materials gave significantly different bio-oils. Levoglucosan was the dominant product in the cellulose pyrolysis oil. Acetic acid was found in the highest concentrations in both the galactoglucomannan and in the pine wood pyrolysis oils. Acetic acid is most likely formed by removal of O-acetyl groups from mannose units present in GGM structure.


bio-oil, Cellulose, fluidized bed reactor, galactoglucomannan, pine, pyrolysis

Last updated on 2020-18-01 at 04:11