FAME Blended Diesel Fuel Impacts on Engine/Vehicle Systems

Kono, Naoki; Yamamori, Kazuo; Furukawa, Takafumi; Noorman, Mike T.

doi:10.4271/2011-01-1944

Cited by 6 publications

(4 citation statements)

References 19 publications

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“…However, the concentration of these components was mainly dependent on the type of the engine and the operational conditions. 99,100,104,105 Moreover, the origin of these molecules is still not well understood. Diaby et al 106 speculated that when a diesel 4-cylinder engine is analyzed in an endurance test for 200 h and 400 h, the carbonaceous residue observed on the first ring grooves was caused by the degradation of the lubricant.…”

Section: Solid Deposition From Oxidationmentioning

confidence: 99%

“…Long‐chain carboxylates, oxygenated compounds, polymeric amides and pyrolyzed carbon were only a few of the main components found in these deposits. However, the concentration of these components was mainly dependent on the type of the engine and the operational conditions 99,100,104,105 . Moreover, the origin of these molecules is still not well understood.…”

Section: Impact Of Fuel Oxidationmentioning

confidence: 99%

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Oxidative stability of biodiesel: recent insights

Longanesi

Pereira

Johnston

et al. 2021

Biofuels Bioprod Bioref

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Biodiesel, the fatty acid methyl ester (FAME) of vegetable and animal oil, is now used extensively worldwide, with blends of up to 7% common. The blending level is still somewhat limited due to a perceived susceptibility of these fuels to oxidation. Oxidation follows a number of pathways, with the primary mechanism being auto-oxidation, a radical process that results in the production of a range of oxygenated components. These eventually increase the viscosity of the fuel and form deposits detrimental to operation. Further fuel properties are also heavily reliant on the level of oxidation. As such, one of the main challenges in the use of biodiesel is its long-term instability when stored. Typically synthetic antioxidants have been used to address this issue; however, these systems can also add to the formation of deposits, as well as hazardous emissions, on combustion. Recently, research has focused on novel antioxidant development mainly from plant extracts, although there are a number of other routes for improved performance, including the commercialization of hydrogenated vegetable oil (HVO), a prominent alternative to FAME-based biodiesel due to its higher stability, straight chain paraffin composition, and better cold flow properties. In this review, the factors that promote this oxidation are presented, including molecular composition, metal contamination, temperature and light exposure, as well as the latest findings on the inclusion of HVO, the current state-of-the-art analytical techniques employed, and the impact of higher pressure injection systems on vehicles that demonstrate deposit formation is not solely due to the unsaturated biodiesel components.

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Section: Solid Deposition From Oxidationmentioning

confidence: 99%

Section: Impact Of Fuel Oxidationmentioning

confidence: 99%

Oxidative stability of biodiesel: recent insights

Longanesi

Pereira

Johnston

et al. 2021

Biofuels Bioprod Bioref

View full text Add to dashboard Cite

show abstract

“…Na literatura [2][3][4][5][6][7][8], há diversos trabalhos sobre efeito da adição do biodiesel em emissões, desempenho e durabilidade dos veículos. No entanto, em relação ao efeito do biodiesel durante a estocagem em tanques de veículos, por um longo período, poucos trabalhos são encontrados.…”

Section: Introductionunclassified

“…Kono et al [2] estudou o envelhecimento de misturas B20 em tanques de veículos. Em todos os veículos avaliados, não ocorreram problemas em até 7 meses de estocagem.…”

Section: Introductionunclassified