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Production of biodiesel from non-edible industrial oilseeds via non-catalytic transesterification

관리자 │ 2024-11-21

HIT

78

Journal: Industrial Crops and Products


Authors: Dohee Kwon, Dongho Choi, Jee Young Kim, Hocheol Song, Jaewon Lee, Eilhann E Kwon


Abstract:

The non-catalytic conversion of non-edible biomass into biodiesel (BD) is the subject of this investigation. Conventional oil extraction from biomass often results in economic and technical inefficiencies. This study suggests a non-catalytic transesterification reaction to directly convert castor seeds into BD in order to overcome these problems. Base-catalysed transesterification of extracted castor seed oil had a BD yield of 84.43 wt% (reaction time: 24 h at 60 ˚C). In contrast, non-catalytic transesterification of castor seed oil produced a BD yield of 93.79 wt%, which completed the reaction in 1 min at 390 ˚C. Thus, using the non-catalytic transesterification approach, we were able to empirically verify the greater conversion efficiency of BD. Additionally, the direct non-catalytic conversion of castor seed to BD achieved a yield of 105.81 wt%, suggesting that substantial oil loss occurs during the extraction process. These findings suggest that the traditional method of converting BD, which involves oil extraction and base-catalysed transesterification, is less efficient and less financially advantageous than directly converting castor seeds into BD.


Keywords: Biodiesel; Fatty acid methyl esters (FAMEs); Non-catalytic transesterification; lipid; Castor seed


DOI: https://doi.org/10.1016/j.indcrop.2024.119811


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