Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/43288
metadata.artigo.dc.title: Influence of extractives content and lignin quality of Eucalyptus wood in the mass balance of pyrolysis process
metadata.artigo.dc.creator: Protásio, Thiago de Paula
Lima, Michael Douglas Roque
Teixeira, Roberthi Alef Costa
Rosário, Fábio Silva do
Araújo, Ana Clara Caxito de
Assis, Maíra Reis de
Hein, Paulo Ricardo Gherardi
Trugilho, Paulo Fernando
metadata.artigo.dc.subject: Energy forest
Bioreducing agent
Guaiacyl unit
Ultimate composition
Wood quality
Energia florestal
Agente biorredutor
Unidade Guaiacyl
metadata.artigo.dc.publisher: Springer
metadata.artigo.dc.date.issued: 2020
metadata.artigo.dc.identifier.citation: PROTÁSIO, T. de P. et al. Influence of extractives content and lignin quality of Eucalyptus wood in the mass balance of pyrolysis process. BioEnergy Research, [S. l.], 2020. DOI: https://doi.org/10.1007/s12155-020-10166-z.
metadata.artigo.dc.description.abstract: Several studies have highlighted the importance of the chemical composition of Eucalyptus woods in the generation of thermal energy and charcoal production. However, the influence of wood chemical constituents on the pyrolysis mass balance is still not sufficiently clear. This paper brings new insights about the influence of extractives and guaiacyl (G) to syringyl (S) ratio of lignin macromolecule in the carbon, hydrogen, and oxygen balances of the pyrolysis process. Thus, the aim of this research was to investigate the effect of the wood quality of genotypes of Eucalyptus on the carbonization mass balances. Ultimate analysis, structural chemical constituents, and lignin composition analyses were carried out in 14 clonal materials of Eucalyptus spp. at 81 months of age. After pyrolysis, the ultimate analysis of charcoal and the carbonization mass balance was also investigated. The findings show a positive relationship between the percentages of carbon and hydrogen retained in the charcoal with the lignin content and its composition. E. camaldulensis (clone 1025) and E. grandis hybrids (clone 1039) presented better wood quality for charcoal production, due to the results of gravimetric yield (35.7%), retained carbon (59.6%), and retained hydrogen (20.2%) after pyrolysis. In addition, these genetic materials stood out for the high values of lignin (32.0%), extractives soluble in acetone (2.4%), and mass of guaiacyl per kg of dry wood (27.2 g kg-1) associated with the low S/G ratio (2.5). The extractives content and lignin composition must be simultaneously analyzed to improve the Eucalyptus clones classification for charcoal production.
metadata.artigo.dc.identifier.uri: https://link.springer.com/article/10.1007/s12155-020-10166-z
http://repositorio.ufla.br/jspui/handle/1/43288
metadata.artigo.dc.language: en_US
Appears in Collections:DCF - Artigos publicados em periódicos

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