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dc.contributor.authorWang, Yi
dc.contributor.authorLi, X.
dc.contributor.authorMourant, Daniel
dc.contributor.authorGunawan, Richard
dc.contributor.authorZhang, Shu
dc.contributor.authorLi, Chun-Zhu
dc.identifier.citationWang, Y. and Li, X. and Mourant, D. and Gunawan, R. and Zhang, S. and Li, C. 2012. Formation of Aromatic Structures during the Pyrolysis of Bio-oil. Energy & Fuels. 26 (1): pp. 241-247.

The pyrolysis of biomass to produce bio-oil is a very effective way of biomass use. Bio-oil undergoes drastic structural changes as it is upgraded into biofuels or used as a fuel for gasification/combustion. The evolution of aromatic ring systems in bio-oil is a key consideration in bio-oil use. A bio-oil sample produced from the fast pyrolysis of mallee wood at 500 °C, its lignin-derived oligomers, and pure cellulose have been pyrolyzed in a novel two-stage fluidized-bed/fixed-bed reactor at temperatures between 350 and 850 °C. The product tars were characterized with ultraviolet (UV) fluorescence spectroscopy. Our results indicate that significant portions of aromatic ring systems in the bio-oil could turn/polymerize into solids not soluble in CHCl3 + CH3OH during the pyrolysis at relatively low temperatures, e.g., 350–400 °C. This process can be enhanced by the presence of cellulose-/hemicellulose-derived species in the bio-oil, which are reactive and produce radicals to enhance the polymerization reactions. The pyrolysis of cellulose-derived species in the bio-oil tended to form additional very large aromatic ring systems at temperatures higher than 700 °C.

dc.publisherAmerican Chemical Society
dc.titleFormation of Aromatic Structures during the Pyrolysis of Bio-oil
dc.typeJournal Article
dcterms.source.titleEnergy & Fuels
curtin.departmentCurtin Centre for Advanced Energy Science and Engineering
curtin.accessStatusFulltext not available

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