Biodiesel production from cagaite seeds ( Eugenia dysenterica DC ) oil: An alternative for biofuel production

Abstract In the present work, cagaite ( Eugenia dysenterica DC.) seed oil was studied as a potential inedible raw material for biodiesel production. The oil was extracted using a Soxhlet extractor and the fatty acids acyl esters that make up biodiesel were obtained by alkaline transesterification us...

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Published in:Biofuels, bioproducts and biorefining bioproducts and biorefining, 2023-11, Vol.17 (6), p.1611-1621
Main Authors: Rial, Rafael Cardoso, de Freitas, Osmar Nunes, da Silva Fonseca, Amanda Maria, Domingues, João Manuel Hernandes Dorce, de Souza, Maria Luiza Medeiros, de Almeida Silva, Yasmin Alves, Santos, Piter Hernanny Michalski, Melo, Luiz Felipe Dias, Nazário, Carlos Eduardo Domingues, Viana, Luiz Henrique
Format: Article
Language:English
Subjects:
Analytical methods
Biodiesel fuels
Biofuels
Catalysts
Chemical properties
Chemicophysical properties
Conversion
Diesel
Esters
Eugenia dysenterica
Fatty acid methyl esters
Fatty acids
Hydroxides
Magnetic resonance spectroscopy
NMR
NMR spectroscopy
Nuclear magnetic resonance
Oil
Oils & fats
Oilseeds
Raw materials
Seeds
Sodium
Sodium hydroxide
Soybeans
Spectrum analysis
Transesterification
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Summary:Abstract In the present work, cagaite ( Eugenia dysenterica DC.) seed oil was studied as a potential inedible raw material for biodiesel production. The oil was extracted using a Soxhlet extractor and the fatty acids acyl esters that make up biodiesel were obtained by alkaline transesterification using sodium hydroxide. The influence of reaction parameters was also evaluated: molar ratio, time, and amount of catalyst. The conversion of fatty acids into fatty acid methyl esters (FAME), which make up biodiesel, was calculated using Nuclear Magnetic Resonance Spectroscopy ( 1 HNMR) spectra. In a 30 min reaction period, the molar ratio of oil to methanol was 1:4, resulting in a conversion of 63.57%. However, when the molar ratio was increased to 1:8, the conversion reached 81.74% during the same 30 min reaction period. After 60 min of reaction, additional increases in conversion were observed when molar ratios of 1:4, 1:6, and 1:8 were used. Under these conditions, the conversions achieved were 92.08%, 98.24%, and 98.78%, respectively. The physico‐chemical properties were evaluated and the results showed that cagaite seed oil biodiesel was similar to soybean biodiesel, which is the most commonly produced biodiesel in Brazil. It was thus an important substitute for soybean biodiesel.
ISSN:1932-104X
1932-1031
DOI:10.1002/bbb.2528