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Article Dans Une Revue Fuel Processing Technology Année : 2022

Integrating bio-oil and carbohydrate valorization on the fractionation of sugarcane bagasse via Organosolv process using Mo2C-based catalysts

Gleicielle Tozzi Wurzler
  • Fonction : Auteur
Victor Teixeira da Silva
  • Fonction : Auteur
Débora de Almeida Azevedo
  • Fonction : Auteur
Ayla Sant’ Ana da Silva
  • Fonction : Auteur

Résumé

This work studied the fractionation of sugarcane bagasse via Organosolv treatment using isopropanol/water in the presence of Raney-Ni and molybdenum carbide catalysts (Bulk Mo2C and Mo2C supported on activated carbon (AC) or Al2O3). The degree of delignification, the bio-oil and solid residue composition depended on the type of catalyst. A partial extraction of hemicellulose occurred followed by depolymerization, resulting in a product distribution that depended on the catalyst. Raney-Ni catalyst promoted the formation of diols and triols, while xylose, furfural, and furan were mainly produced by Mo2C based-catalysts. The Organosolv treatment without catalyst and in the presence of bulk Mo2C produced a bio-oil containing mainly 2,3-dihydrobenzofuran. Mo2C/AC and Mo2C/Al2O3 are promising catalysts for the fractionation of sugarcane bagasse that produced a bio-oil with higher yield to substituted methoxyphenols and a solid residue more easily hydrolyzed by cellulases, producing higher yield to glucose than Raney-Ni catalyst.
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hal-04254947 , version 1 (22-07-2024)

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Gleicielle Tozzi Wurzler, Victor Teixeira da Silva, Débora de Almeida Azevedo, Ayla Sant’ Ana da Silva, Fabio Bellot Noronha. Integrating bio-oil and carbohydrate valorization on the fractionation of sugarcane bagasse via Organosolv process using Mo2C-based catalysts. Fuel Processing Technology, 2022, Fuel Processing Technology, 230, pp.107208. ⟨10.1016/j.fuproc.2022.107208⟩. ⟨hal-04254947⟩
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