Production of biodiesel in solvent-free medium catalyzed by crude lipase powder from Adansonia grandidieri and Jatropha mahafalensis seeds: Effects of alcohol polarity, glycerol and thermodynamic water activity

Kouteu Nanssou Paul Alain, Blin Joël, Baréa Bruno, Barouh Nathalie, Villeneuve Pierre. 2017. Production of biodiesel in solvent-free medium catalyzed by crude lipase powder from Adansonia grandidieri and Jatropha mahafalensis seeds: Effects of alcohol polarity, glycerol and thermodynamic water activity. Journal of Agricultural and Food Chemistry, 65 (39) : 8683-8690.

Quartile : Outlier, Sujet : AGRICULTURE, MULTIDISCIPLINARY / Quartile : Q1, Sujet : FOOD SCIENCE & TECHNOLOGY / Quartile : Q1, Sujet : CHEMISTRY, APPLIED

Résumé : The aim of this work was to evaluate the potential of crude lipase powders made from Adansonia grandidieri and Jatropha mahafalensis seeds for the synthesis of fatty acid alkyl esters in a solvent-free system. The influence of the nature of the alcohol, the amount of glycerol, and hydration of the powder was investigated. Results showed that the activity of these crude lipase powders was inversely proportional to the alcohol polarity and the amount of the glycerol in the reaction medium. To ensure optimum activity, A. grandidieri and J. mahafalensis powders must be conditioned to a water activity of 0.33 and 0.66. To obtain a fatty acid ethyl ester yield greater than 95% with A. grandidieri, ethanol should be introduced at an amount corresponding to a triacylglycerol to ethanol molar ratio of 2:1 every 15 h for 96 h and use 25% of preconditioned crude lipase powders (2 additions of 12.5%).

Mots-clés Agrovoc : énergie renouvelable, graine, Adansonia, Jatropha, biocarburant, biocatalyseur, catalyse, glycérol, éthanol, acide gras, poudre, Adansonia grandidieri

Mots-clés complémentaires : Jatropha mahafalensis

Classification Agris : P06 - Sources d'énergie renouvelable
K50 - Technologie des produits forestiers
000 - Autres thèmes

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

Agences de financement européennes : European Commission

Projets sur financement : (EU) Vers une production durable et innovante de biocarburants en adéquation avec les potentiels et les besoins de l’Afrique

Auteurs et affiliations

• Kouteu Nanssou Paul Alain, CIRAD-PERSYST-UMR IATE (FRA)
• Blin Joël, CIRAD-PERSYST-UPR BioWooEB (FRA) ORCID: 0000-0001-6715-2453
• Baréa Bruno, CIRAD-PERSYST-UMR IATE (FRA)
• Barouh Nathalie, CIRAD-PERSYST-UMR IATE (FRA) ORCID: 0000-0001-6956-1349
• Villeneuve Pierre, CIRAD-PERSYST-UMR IATE (FRA) ORCID: 0000-0003-1685-1494

Source : Cirad-Agritrop (https://agritrop.cirad.fr/585567/)

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