Journal
BIORESOURCE TECHNOLOGY
Volume 111, Issue -, Pages 439-446Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.01.159
Keywords
Wood; Bio-oil; Fast pyrolysis; Torrefaction; GC/MS
Funding
- National Science Foundation [0832498]
- Directorate For Engineering
- Div Of Industrial Innovation & Partnersh [0832498] Funding Source: National Science Foundation
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Fast pyrolysis was performed on torrefied loblolly pine and the collected bio-oils were analyzed to compare the effect of the torrefaction treatment on their quality. The results of the analyses show that bio-oils produced from torrefied wood have improved oxygen-to-carbon ratios compared to those from the original wood with the penalty of a decrease in bio-oil yield. The extent of this improvement depends on the torrefaction severity. Based on the GC/MS analysis of the pyrolysis bio-oils, bio-oils produced from torrefied biomass show different compositions compared to that from the original wood. Specifically, the former becomes more concentrated in pyrolytic lignin with less water content than the latter. It was considered that torrefaction could be a potential upgrading method to improve the quality of bio-oil, which might be a useful feedstock for phenolic-based chemicals. (C) 2012 Elsevier Ltd. All rights reserved.
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