Factors influencing wood char gasification at macro-particle scale

Mermoud Floriane, Golfier Fabrice, Van de Steene Laurent, Salvador Sylvain, Girard Philippe. 2004. Factors influencing wood char gasification at macro-particle scale. In : 2nd World Biomass Conference and Exhibiton, Rome, Italy, 10-14 May 2004. s.l. : s.n., 5 p. World Biomass Conference and Exhibition. 2, Rome, Italie, 10 Mai 2004/14 Mai 2004.

Résumé : The objective of the present work was first to identify the limiting phenomena during char gasification by steam and so guide us in the choice of a particle kinetic model. Then this model will have to be included in a fixed bed model developed on the basis of the results obtained. In order to achieve these goals, numerous experiments were conducted. Steam gasification of beech char spheres of different diameters (10 to 30 mm) was studied at different temperatures (830 to 1030°C), different steam partial pressures (10% to 40% H2O) and different gas velocities around the particle (0.09 to 0.30 m/s). The influence of pyrolysis heating rate ("flash", fast or slow) on gasification rate was also investigated. The apparatus used was a "macro-TGA" reactor in which the particle is suspended and continuously weighed during its gasification.

Mots-clés Agrovoc : charbon de bois, gazéification, modèle

Classification Agris : P06 - Sources d'énergie renouvelable

Auteurs et affiliations

• Mermoud Floriane, CIRAD-FORET-BOIS (FRA)
• Golfier Fabrice, EMAC (FRA)
• Van de Steene Laurent, CIRAD-FORET-BOIS (FRA) ORCID: 0000-0003-4737-3667
• Salvador Sylvain, EMAC (FRA)
• Girard Philippe, CIRAD-FORET-BOIS (FRA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/522663/)

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