Produção Nacional
Revisado por pares
Fast pyrolysis of trunk wood and stump wood from a Brazilian eucalyptus clone
2018; Elsevier BV; Volume: 125; Linguagem: Inglês
10.1016/j.indcrop.2018.08.083
ISSN1872-633X
AutoresAlexandre Santos Pimenta, Thays Vieira da Costa Monteiro, Maíra Fasciotti, Renata Martins Braga, Elias Costa de Souza, Kássio M. G. Lima,
Tópico(s)Lignin and Wood Chemistry
ResumoThe objective of this study was to compare yields and chemical composition of volatile fraction of bio-oil produced from fast pyrolysis of trunk wood and stump wood of Eucalyptus urograndis. Ground material was processed in a fluidized bed pilot plant equipped with a continuous reactor at temperatures of 500–600 °C. Light bio-oil fraction from each material was collected and vacuum distilled. The oily volatile fraction was characterized by GC/MS. Yield of charcoal was higher for stump wood than for trunk wood and the opposite behavior was observed for the yield of light and heavy bio-oil fractions and of gases. Yields of volatile compounds were statistically equal for trunk and stump wood, both representing about 6% of the initial dry biomass. The results demonstrate the technical viability of having stump wood as a source of volatile oils with chemical composition similar to commercial liquid smoke products.
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