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Fast pyrolysis of hot-water-extracted and delignified silver birch (Betula pendula) sawdust by Py-GC/MS

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Ghalibaf, M., Lehto, J., & Alén, R. (2017). Fast pyrolysis of hot-water-extracted and delignified silver birch (Betula pendula) sawdust by Py-GC/MS. Journal of Analytical and Applied Pyrolysis, 127, 17-22. https://doi.org/10.1016/j.jaap.2017.09.008
Published in
Journal of Analytical and Applied Pyrolysis
Authors
Ghalibaf, Maryam |
Lehto, Joni |
Alén, Raimo
Date
2017
Discipline
Soveltava kemiaApplied Chemistry
Copyright
© 2017 Elsevier Ltd. This is a final draft version of an article whose final and definitive form has been published by Elsevier. Published in this repository with the kind permission of the publisher.

 
The thermochemical behavior of birch (Betula pendula) sawdust both untreated and after various chemical treatments (hot-water extraction, delignification, and hot-water extraction followed by delignification) was investigated by pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS). In each case, major GC-amenable condensable products were classified into several compound groups, and the formation of these monomer-related fragments from feedstock samples with varying mass portions of the structural constituents (cellulose, hemicelluloses, and lignin) were determined at 500 °C and 700 °C at hold times of 5 s and 20 s. The formation of pyrolysis products was shown to be characteristically dependent on feedstock composition as well as on pyrolysis conditions. This kind of approach was of practical importance with respect to efforts not only to develop rapid characterization tools for lignocellulosics, but also to new biorefinery possibilities to produce bio-oils, for example, enriched either with aliphatic or aromatic constituents. ...
Publisher
Elsevier BV
ISSN Search the Publication Forum
0165-2370
Keywords
pyrolysis-gas chromatography silver birch hot-water extraction soda-AQ delignification condensable products
DOI
https://doi.org/10.1016/j.jaap.2017.09.008
URI

http://urn.fi/URN:NBN:fi:jyu-201709253809

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/27227497

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  • Matemaattis-luonnontieteellinen tiedekunta [4532]
Related funder(s)
Maj ja Tor Nessling Foundation
Additional information about funding
Financial support from the Academy of Finland, within the framework of the project IMUSTBC (Maryam Ghalibaf) and from the Maj and Tor Nessling Foundation, Finland (Joni Lehto) is gratefully acknowledged.
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