Evaluation of carbonisation gas from coal and woody biomass and reduction rate of carbon composite pellets.

dc.contributor.authorUsui, Tateo
dc.contributor.authorKonishi, Hirokazu
dc.contributor.authorIchikawa, Kazuhira
dc.contributor.authorOno, Hideki
dc.contributor.authorKawabata, Hirotoshi
dc.contributor.authorPena, Francisco B.
dc.contributor.authorSouza, Matheus H.
dc.contributor.authorXavier, Alexandre A.
dc.contributor.authorAssis, Paulo Santos
dc.date.accessioned2018-10-01T18:35:06Z
dc.date.available2018-10-01T18:35:06Z
dc.date.issued2018
dc.description.abstractCarbon composite iron oxide pellets using semichar or semicharcoal were proposed from the measured results of the carbonisation gas release behaviour. The carbonisation was done under a rising temperature condition until arriving at a maximum carbonisation temperature Tc,max to release some volatile matter (VM). The starting point of reduction of carbon composite pellets using semicharcoal produced at Tc,max = 823 K under the rising temperature condition was observed at the reduction temperature TR = 833 K, only a little higher than Tc,max, which was the aimed phenomenon for semicharcoal composite pellets. As Tc,max increases, the emitted carbonisation gas volume increases, the residual VM decreases, and, as a whole, the total heat value of the carbonisation gas tends to increase monotonically. The effect of the particle size of the semicharcoal on the reduction rate was studied. When TR is higher than Tc,max, the reduction rate increases, as the particle size decreases. When TR is equal to Tc,max, there is no effect. With decreasing Tc,max, the activation energy Ea of semicharcoal decreases. The maximum carbonisation temperature Tc,max may be optimised for reactivity (1/Ea) of semicharcoal and the total carbonisation gas volume or the heat value.pt_BR
dc.identifier.citationUSUI, T. et al. Evaluation of carbonisation gas from coal and woody biomass and reduction rate of carbon composite pellets. Advances in Materials Science and Engineering, v. 2018, p. 1-14, mar. 2018. Disponível em: <https://www.hindawi.com/journals/amse/2018/3807609/>. Acesso em: 03 mai. 2018.pt_BR
dc.identifier.issn16878442
dc.identifier.urihttp://www.repositorio.ufop.br/handle/123456789/10294
dc.language.isoen_USpt_BR
dc.rightsabertopt_BR
dc.rights.licenseThis is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Fonte: o próprio artigo.pt_BR
dc.titleEvaluation of carbonisation gas from coal and woody biomass and reduction rate of carbon composite pellets.pt_BR
dc.typeArtigo publicado em periodicopt_BR

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