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Coupled effect of torrefaction and densification pre-treatment on biomass energetic and physical properties

Keeratiisariyakul Promporn, Rousset Patrick, Pattiya Adisak. 2019. Coupled effect of torrefaction and densification pre-treatment on biomass energetic and physical properties. International Journal of Sustainable Energy and Environment, 10, 10 p.

Journal article ; Article de recherche ; Article de revue à comité de lecture Revue en libre accès total
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Abstract : Leucaena (Leucaena leucocepphala) and oil palm empty fruit bunch, EFB (Elaeis guineesis) were selected as a woody and non-woody biomass samples, respectively in order to produce torrefied biomass pellets. In this study, torrefaction was performed at 300°C, three minute-residence time before pelletization. Then, the pellets have been characterized energetically and physically including volumetric energy density, and hygroscopic behavior. The results showed the torrefaction insignificantly enhanced high heating value of Leucaena from 19.3 MJ/kg to 19.5 MJ/kg and 18.3 MJ/kg to 19.1 MJ/kg for EFB. Moreover, torrefaction also improved the water resistance ability. While, the densification enhanced bulk density of biomass from 500 kg/m3 to 527 kg/m3 and 553 kg/m3 to 574 kg/m3 for Leucaena and EFB, respectively. The volumetric energy density was logically increased for both Leucaena and EFB biomass.

Mots-clés Agrovoc : Leucaena leucocephala, Elaeis guineensis, Torréfaction, Propriété physicochimique, Calorimétrie, Biomasse

Mots-clés complémentaires : Densification du bois

Mots-clés libres : Torrefaction, Densification, Biomass, Pellets

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

Champ stratégique Cirad : CTS 7 (2019-) - Hors champs stratégiques

Auteurs et affiliations

  • Keeratiisariyakul Promporn, KMUTT (THA)
  • Rousset Patrick, CIRAD-PERSYST-UPR BioWooEB (THA) - auteur correspondant
  • Pattiya Adisak, Mahasarakham University (THA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/594014/)

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