Effect of wood properties and production process on stiffness of charcoal studied by ultrasonic technique

Reis De Assis Maira, Brancheriau Loïc, Napoli Alfredo, Guibal Daniel, Boutahar Nabila, Trugilho Paulo Fernando. 2015. Effect of wood properties and production process on stiffness of charcoal studied by ultrasonic technique. In : General Technical Report FPL-GTR-239. USDA, Forest Products Laboratory. s.l. : USDA, pp. 341-348. International Nondestructive Testing and Evaluation of Wood Symposium. 19, Sao Paulo, Brésil, 22 September 2015/25 September 2015.

Paper with proceedings
Published version - Anglais
Use under authorization by the author or CIRAD.
2015 Reis de Assis - 19th WNDT Symposium.pdf

Télécharger (4MB) | Preview

Url - éditeur :

Abstract : Charcoal can replace coke in blast furnaces avoiding the use of reducing agents derived from fossil fuels. However, the main limitation of charcoal is its lower strength, which is essential for supporting the iron ore load inside the blast furnaces. In order to improve and control the charcoal quality, the objectives were then to study (i) the influence of radial position of the raw material and carbonization temperature on charcoal density and rigidity, and (ii) the link between properties of wood and charcoal taking into account the previous factors. It was found that: (a) The charcoal MOE increased with the final temperature of pyrolysis, but the temperature effect was less significant fot the density. (b) The charcoal properties were higher for samples cut near the bark, but an elevated carbonization temperature seemed to reduce this phenomenon. (c) The best predictors to estimate the charcoal quality were the wood density and the carbonization temperature. (Résumé d'auteur)

Mots-clés Agrovoc : Bois, Eucalyptus urophylla, Charbon de bois, Carbonisation du bois, Température, Densité, Aubier, Qualité technologique, Propriété physicochimique, Élasticité, Ultrason

Mots-clés libres : Charcoal quality, Carbonization temperature, Juvenile wood, Ultrasounds

Classification Agris : K50 - Processing of forest products
P06 - Renewable energy resources

Auteurs et affiliations

  • Reis De Assis Maira, CIRAD-PERSYST-UPR BioWooEB (FRA)
  • Brancheriau Loïc, CIRAD-PERSYST-UPR BioWooEB (FRA) ORCID: 0000-0002-9580-7696
  • Napoli Alfredo, CIRAD-PERSYST-UPR BioWooEB (BRA) ORCID: 0000-0002-1559-3975
  • Guibal Daniel, CIRAD-PERSYST-UPR BioWooEB (FRA)
  • Boutahar Nabila, CIRAD-PERSYST-UPR BioWooEB (FRA)
  • Trugilho Paulo Fernando, UFLA (BRA)

Source : Cirad-Agritrop (

View Item (staff only) View Item (staff only)

[ Page générée et mise en cache le 2020-07-08 ]