Characterization of residues and evaluation of the physico chemical properties of soybean biodiesel and biodiesel: Diesel blends in different storage conditions

Leandro Fontoura Cavalheiro, Marcelo Yukio Misutsu, Rafael Cardoso Rial, Luíz Henrique Viana and Lincoln Carlos Silva Oliveira

Renewable Energy, 2020, vol. 151, issue C, 454-462

Abstract: In biodiesel, long chain methyl esters crystallize at very low temperatures, forming paraffin crystals that clump together and clog fuel filters, preventing engine operation. When the fuel is at high temperatures and in the presence of oxygen from the air, chemical changes may occur, forming insoluble compounds in the fuel itself. This work followed the evolution of deposits and enhancers formation in biodiesel samples and their mixtures with diesel. Thus, samples of pure biodiesel mixed with diesel were stored under two temperature conditions, 30 °C and 4 °C–10 °C, for a period of 12 months. The results indicate that the residue formation in soybean biodiesel was intensified by the low temperature, time and presence of dissolved water, being the monoglycerides the main inducers.

Keywords: Soybean oil biodiesel; Solid residue; Monitoring; Monoglycerides (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:151:y:2020:i:c:p:454-462

DOI: 10.1016/j.renene.2019.11.039

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