Compatibility studies between an indirect injection diesel injector and biodiesel with different composition: Stationary tests

Alcántara-Carmona, A.; López-Giménez, F.J.; Dorado, M.P.

doi:10.1016/j.fuel.2021.121788

Cited by 8 publications

(3 citation statements)

References 25 publications

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“…Table 2 shows the composition of distilled biodiesel, according to GC-mass spectrometry (GCMS) analysis. The main compounds in the biodiesel are methyl linoleate, methyl oleate, and methyl palmitate, as observed by Kumbhar et al 34 and Alcańtara-Carmona et al 35 3.2. Ternary Diagrams Fuel Blends.…”

Section: Resultsmentioning

confidence: 76%

Experimental Study of Liquid–Liquid Equilibrium and Thermodynamic Modeling for Systems Containing Alcohols + Biodiesel + Diesel

et al. 2023

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Energy crisis and emission problems have led to investigations on alternative fuels. In this respect, partial substitution of diesel with alcohol and biodiesel has proved to be successful. The present study focuses on the use of biodiesel as an additive to stabilize alcohols in diesel blends and proposes new fuel formulations based on thermodynamic studies of liquid−liquid equilibrium (LLE) data from ternary systems containing methanol/ethanol/1-butanol + biodiesel + diesel at atmospheric pressure and 300.15 K. The authenticity of phase equilibrium data was validated by the Othmer−Tobias and Hand equations. The distribution and selectivity coefficients calculated for immiscibility regions indicated that an increase in the carbon chain strengthens biodiesel solubility. Experimental data also correlated with universal quasi-chemical (UNIQUAC) and non-random two liquids (NRTL) thermodynamic models. Both models showed high agreement with the experimental data, with deviation values (root-mean-square deviation, RMSD) less than 1.78%.

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Section: Resultsmentioning

confidence: 76%

Experimental Study of Liquid–Liquid Equilibrium and Thermodynamic Modeling for Systems Containing Alcohols + Biodiesel + Diesel

et al. 2023

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“…The main compounds in the biodiesel are methyl linoleate, methyl oleate and methyl palmitate, as observed by [34]. According to [35], the main fatty acids present in soybean oil are linoleic (52.83%), oleic (25.85%), and palmitic (11.05%), and the biodiesel produced from soybean oil contains a larger amount of their esters.…”

Section: Biodiesel Synthesismentioning

confidence: 91%

Thermodynamic Modeling of Liquid-Liquid Equilibrium in Ternary Systems with Biodiesel and Isolated Ester (Methyl Palmitate)

Bezerra

ANDRADE

SİLVA

et al. 2022

International Journal of Thermodynamics

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Liquid-liquid equilibrium data were measured and analyzed for two ternary systems (biodiesel + methanol + glycerol and methyl palmitate + methanol + glycerol). Biodiesel, produced by the conventional chemical route at 60 °C for 60 min, using methanol and soybean oil at a molar rate of 10:1 and potassium hydroxide concentration (KOH) of 1 wt% exhibited thermal decomposition at temperatures between 100 and 250 ºC, reaching mass loss of approximately 98.8%, confirming soybean oil conversion into biodiesel by gas chromatography and thermogravimetry. Tie line composition quality was verified using Othmer-Tobias and Hand correlation equations. The distribution and selectivity coefficients were calculated for the immiscibility regions. The experimental tie line data exhibited good correlation in the UNIQUAC and NRTL thermodynamic models. The biodiesel system displayed deviations of 0.66 and 0.53% for the UNIQUAC and NRTL models, respectively. In addition, the methyl palmitate system showed a 1.23 and 0.48% deviation for the UNIQUAC and NRTL model, respectively. The individual behavior of the main biodiesel esters , based on the UNIQUAC model parameters, demonstrated that the type of fatty acid does not interfere in model correlation, likely due to the similarity between their composition and properties.

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“…Many studies have shown that alternative fuels such as biodiesel, [13][14][15][16][17][18][19][20][21] DME, 22,23 methanol, 24 ethanol, 25,26 and ketones 27 have compatibility problems with fuel system elastomers. Fischer-Tropsch fuel is regarded as one of the prospective alternative fuels for fossil fuel due to its wide range of sources, such as coal, natural gas, and biomass, and its capability to reduce hazardous emissions when utilized in diesel engines.…”

Section: Introductionmentioning

confidence: 99%

Study on volume swell and mechanical properties of fuel system elastomers with Fischer–Tropsch fuel for diesel engines

Zhang

Peng

et al. 2022

Journal of Elastomers & Plastics

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The compatibility of elastomers used in engine fuel system with Fischer–Tropsch (FT) fuel is essential, but there is very limited research available on it. In this work, the compatibility between four types of commonly used elastomers in fuel system and FT fuel was experimentally investigated. The assessed elastomers including nitrile butadiene rubber (NBR), ethylene propylene diene-monomer rubber (EPDM), fluoroelastomer (FKM), and chlorinated polyethylene (CPE) were exposed to FT fuel which derived from natural gas for 21 days. The properties of the elastomers such as mass, volume, hardness, tensile strength, elongation at break, and tear strength were measured before and after immersion, at the same time the change rates of these properties were calculated. The results demonstrated that all properties of EPDM deteriorated significantly after soak, and its compatibility with FT fuel was the worst, making it unsuitable for FT engines. NBR, FKM, and CPE all showed low rates of property change, with FKM exhibiting the greatest compatibility performance with FT fuel. Additionally, the O-rings made of FKM were submerged in FT fuel and diesel for 7 days, 14 days, and 21 days, respectively. It was found that the mass and volume variations of FKM O-rings in FT fuel were negligible and comparable with those of diesel fuel.

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Compatibility studies between an indirect injection diesel injector and biodiesel with different composition: Stationary tests

Cited by 8 publications

References 25 publications

Experimental Study of Liquid–Liquid Equilibrium and Thermodynamic Modeling for Systems Containing Alcohols + Biodiesel + Diesel

Experimental Study of Liquid–Liquid Equilibrium and Thermodynamic Modeling for Systems Containing Alcohols + Biodiesel + Diesel

Thermodynamic Modeling of Liquid-Liquid Equilibrium in Ternary Systems with Biodiesel and Isolated Ester (Methyl Palmitate)

Study on volume swell and mechanical properties of fuel system elastomers with Fischer–Tropsch fuel for diesel engines

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