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Physicochemical and mechanical properties of biomass coal briquettes produced by artisanal method

Himbane Philippe Bernard, Grand Ndiaye Lat, Napoli Alfredo, Kobor Diouma. 2018. Physicochemical and mechanical properties of biomass coal briquettes produced by artisanal method. African Journal of Environmental Science and Technology, 12 (12):050987159401 : pp. 480-486.

Journal article ; Article de recherche ; Article de revue à comité de lecture Revue en libre accès total
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Abstract : In this study, carbonized peanut shells, cashew shells and millet stalks were used as raw materials to produce coal briquettes. Clay and arabic gum were applied as binders during briquetting by use of manual press. Physicochemical and mechanical tests of the obtained briquettes were conducted. The results show that the lower heating values of coal briquettes remain higher to that of wood; however, their ash contents are very high compared to wood. Combustion of coal briquettes samples show also that coal briquettes of peanut shells, cashew shells, and millet stalks ignite respectively at 312, 202.5 and 150.5°C. Bulk densities of these briquettes are respectively 543, 765 and 579 kg/m3. Briquette made with arabic gum presents mechanical compressive strength above 1 MPa.

Mots-clés Agrovoc : Bioénergie, Déchet agricole, Briquette, Combustion, Propriété physicochimique, Propriété mécanique, Gomme arabique, Coque, Produit forestier non ligneux

Classification Agris : P06 - Renewable energy resources
K50 - Processing of forest products
Q70 - Processing of agricultural wastes

Champ stratégique Cirad : Axe 2 (2014-2018) - Valorisation de la biomasse

Auteurs et affiliations

  • Himbane Philippe Bernard, CIRAD-PERSYST-UPR BioWooEB (FRA) - auteur correspondant
  • Grand Ndiaye Lat, Université Assane Seck de Ziguinchor (SEN)
  • Napoli Alfredo, CIRAD-PERSYST-UPR BioWooEB (FRA) ORCID: 0000-0002-1559-3975
  • Kobor Diouma, Université Assane Seck de Ziguinchor (SEN)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/592889/)

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