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Detergent assisted ultrasonication aided in situ transesterification for biodiesel production from oleaginous yeast wet biomass.

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Yellapu, Sravan Kumar; Kaur, Rajwinder et Tyagi, Rajeshwar Dayal (2017). Detergent assisted ultrasonication aided in situ transesterification for biodiesel production from oleaginous yeast wet biomass. Bioresource Technology , vol. 224 . pp. 365-372. DOI: 10.1016/j.biortech.2016.11.037.

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Résumé

In situ transesterification of oleaginous yeast wet biomass for fatty acid methyl esters (FAMEs) production using acid catalyst, methanol with or without N-Lauroyl sarcosine (N-LS) treatment was performed. The maximum FAMEs yield obtained with or without N-LS treatment in 24 h reaction time was 96.1 ± 1.9 and 71 ± 1.4% w/w, respectively. The N-LS treatment of biomass followed by with or without ultrasonication revealed maximum FAMEs yield of 94.3 ± 1.9% and 82.9 ± 1.8% w/w using methanol to lipid molar ratio 360:1 and catalyst concentration 360 mM (64 μL H₂SO₄/g lipid) within 5 and 25 min reaction time, respectively. The FAMEs composition obtained in in situ transesterification was similar to that obtained with conventional two step lipid extraction and transesterification process. Biodiesel fuel properties (density, kinematic viscosity, cetane number and total glycerol) were in accordance with international standard (ASTM D6751), which suggests the suitability of biodiesel as a fuel

Type de document: Article
Mots-clés libres: microbial lipid; N-Lauroyl sarcosine; in situ transesterification; ultrasonication; biodiesel
Centre: Centre Eau Terre Environnement
Date de dépôt: 16 juin 2017 18:50
Dernière modification: 01 févr. 2019 05:00
URI: https://espace.inrs.ca/id/eprint/5166

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