Publications Scientifiques

[ Article ] Densification and analysis of the physical properties of bio-coal produced from the pyrolysis cashew nut shells in Benin

Date de soumission: 11-01-2017
Année de Publication: 2017
Entité/Laboratoire Laboratroire d'Energétique et de Mécanique Appliquée (LEMA)
Document type : Article
Discipline(s) : Ingénierie Mécanique
Titre Densification and analysis of the physical properties of bio-coal produced from the pyrolysis cashew nut shells in Benin
Auteurs GODJO THIERRY [1],
Journal: International Journal of Innovation and Applied Studies
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 19
DOI: ISSN 2028-9324
Resume To overcome the problem of access to energy in Benin, some researches have been carried out on the production of energy from cashew shells. Thus, two pyrolysis plants on the basis of a reactor designed by CEFREPADE and RONGEAD have been constructed in Benin. Those reactors have been used in Benin for energy recovery from cashew nut shells. Although the pyrolysis products reduce the waste deposit and provide the energy needed for combustion, the exploitation of biochars remains incomplete: they are bulky and difficult to transport because of their low density. To help operators to better manage and facilitate the transport of biocharbons, new research was conducted to densify these biochars. A manual lever press with at lower pressure of 1.80 bar has been developed. Analysis of physical and mechanical properties showed that degree of densification, impact resistance of briquettes and resistance to water penetration were respectively 81%, 90% and 0.94. Also, the effect pressure on density of briquettes and the influence of the drying time on the masses of briquettes were determined. The high rate of densification make that the biocharbons of cashew shells were less bulky and more portable
Mots clés Densification, Biomass, cashew shell, biochar, Lever press, Briquettes, Benin
Pages 614 - 620
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