NDLI: The effect of heat treatment on bio-oil properties obtained from pyrolysis of wood sawdust

Content Provider	Springer Nature Link
Author	Özbay, Günay Pekgözlü, Ayben Kiliç Ozcifci, Ayhan
Copyright Year	2015
Abstract	Heat treatment is becoming increasingly popular and is growing as an industrial process to improve wood properties. The Finnish wood heat treatment technology, ThermoWood, is the most commonly used technology in the industrial area. In this study, pyrolysis of untreated and heat-treated ash wood (Fraxinus excelsior L.) was carried out using a fixed-bed reactor at different pyrolysis temperatures. The influences of the heat treatment process and the pyrolysis temperature on the yields and chemical composition of products were investigated. The maximum bio-oil yield was 46 wt% at a pyrolysis temperature of 550 °C for untreated wood, while the bio-oil yield was found to be about 41 wt% at a pyrolysis temperature of 500 °C for heat-treated wood. The elemental composition and higher heating value (HHV) of the bio-oil was determined. The chemical composition of the bio-oil was investigated using some chromatographic and spectroscopic methods, such as gas chromatography–mass spectrometry (GC/MS) and 1H-NMR. It was found that the heat treatment process significantly reduced the organic acids, ketones and aldehydes, while it increased the phenolic compounds. These results show that heat-treated wood sawdust should be used as a valuable feedstock for production of the bio-oil.
Starting Page	507
Ending Page	514
Page Count	8
File Format	PDF
ISSN	00183768
Journal	Holz als Roh- und Werkstoff
Volume Number	73
Issue Number	4
e-ISSN	1436736X
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-04-18
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Wood Science & Technology Ceramics, Glass, Composites, Natural Methods Operating Procedures, Materials Treatment
Content Type	Text
Resource Type	Article
Subject	Materials Science Forestry

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