Transport and acoustic properties of potential renewable oxygenated fuel additives at 308.15 K: Butanol isomers + o-, m- and p-xylene

Verma, Sweety; Gahlyan, Suman; Rani, Manju; Maken, Sanjeev

doi:10.1016/j.molliq.2018.10.132

Cited by 34 publications

(5 citation statements)

References 45 publications

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“…For a single particle of a component in the mixture, the sound velocity depends on the size and mass of the particle. Size is important in offering cohesion effects whereas the mass is important regarding the inertial effects [15].…”

Section: Discussionmentioning

confidence: 99%

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Physico-chemical Studies of Isomeric Butanols in Aniline with m-Xylene

Palaniappan

Nithiyanantham²,

Murugesan

2020

Chemistry Africa

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The values of sound velocity, density and viscosity have been measured at 303 K in the ternary systems of aniline + m-xylene + n, sec, tert and iso-butanols. From these data, acoustical parameters such as molar volume, adiabatic compressibility, free length, free volume and internal pressure have been estimated using the standard relations. The results are interpreted in terms of molecular interaction between the components of the mixtures. The presence of weak dipoleinduced dipole interactions of larger magnitude is confirmed in the ternary systems. Of all the isomeric butanols, 1-ol, and especially 2-ol are found to be good structure makers that make the ternary complexes. In addition the possible interactions between the components are further confirmed by their excess values.

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Section: Discussionmentioning

confidence: 99%

“…Beyond this critical mole fraction, the further increase of alcohol shows its other side, that it tends to act in a dissociative way and hence π i start to increase. This is highly reflected if aniline is not present (0.7 mol fraction of butanol) in the system [31,32].…”

Section: Discussionmentioning

confidence: 99%

Physico-chemical Studies of Isomeric Butanols in Aniline with m-Xylene

Palaniappan

Nithiyanantham²,

Murugesan

2020

Chemistry Africa

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“…We have calculated the percentage deviation using eq between our experimental densities and selected density values from the literature. − We have reported the percentage deviation of our experimental density values than the selected literature values in Table . …”

Section: Methodsmentioning

confidence: 99%

Volumetric and Acoustic Properties of Binary and Ternary Mixtures of Butanol Isomers with Gasoline Surrogate Compounds

et al. 2022

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Substituting butanol, a renewable fuel for internal combustion engine, as the gasoline blend against the conventionally used ethanol requires the knowledge of their thermophysical properties as these properties decide the fuel injection system, flame propagation, and combustion process in a compression ignition engine. Butanols offer higher energy density and lower tendency to absorb moisture. To offer proof of concept of the influence of temperature and composition of various organic solvents in the isomers of butanol, herein, we had experimentally measured the values of densities (ρ) and speeds of sound (u) of butanol isomers with o-xylene, toluene, and 2,2,4trimethylpentane at different temperatures (T = 298.15 and 308.15 K) and at 101.3 kPa pressure and over the entire composition range. Measured data have been used to calculate the thermodynamic properties, namely, excess molar volumes V m E and excess molar isentropic compressibilities K s, m E . The behavior and influence of the temperature and proportion of butanol isomers on measured and calculated properties were studied. Experimental V m E data have been fitted to the Redlich−Kister polynomial equation, and standard errors in prediction were determined. Densities of the binary system are predicted by the PC-SAFT equation of state. We further have used the Prigogine−Flory−Patterson (PFP) theory to predict V m E of the studied systems. Results of predicted and experimentally determined V m E over the entire range of proportion of butanols are compared. Influence of isentropic compressibility on the resulting fuel's combustion characteristics has been cursorily discussed.

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“…The biodiesel is a renewable alternative fuel that can be operated in diesel engines without modification, producing fewer pollutants compared to conventional diesel fuels. − Ethyl laurate is the major component of biodiesels, known for its strong oxidation stability, high cetane number, and high compressibility. − Nevertheless, the higher viscosity and density of ethyl laurate can affect its consumption and lead to the release of more nitrogen oxides (NO x ) during combustion. − To address these issues, n -alcohols have been investigated as fuel additives for emission reduction. , Among them, 1-butanol stands out due to its high calorific value, low volatility, and reduced risk of igniting compared to ethanol. It can be obtained from the fermentation of biomass raw materials at a low cost, without causing harm to the natural environment. − …”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Properties of 1-Butanol + Ethyl Laurate Binary Mixtures by Combining Experimental Speeds of Sound with Volume Translated Peng–Robinson Equation of State

Dong,

Zhan,

et al. 2023

J. Chem. Eng. Data

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The speeds of sound in 1-butanol + ethyl laurate binary mixtures determine the injection time and combustion characteristics of diesel engine. The speed of sound of 1-butanol + ethyl laurate binary mixture system was measured by the Rayleigh–Brillouin light scattering method at temperatures from 293 to 520 K and pressures from 0.1 to 7.5 MPa. A set of parameters was fitted using 1-butanol and ethyl laurate experiment data for the volume-translated Peng–Robinson (VTPR-BE) equation of state (EoS), taking into account the temperature influence on the binary interaction parameter k ij . Increasing the order of the temperature function of k ij can reduce the calculation deviation of the VTPR-BE EoS. However, beyond the second-order term, further increases in order do not yield significant improvements in accuracy. By adopting the second-order k ij form, the density and the speed of sound of 1-butanol + ethyl laurate binary mixture system were calculated using the VTPR-BE EoS. The average absolute relative deviation is 1.05% for density and 3.90% for the speed of sound. Especially, when the molar fraction of 1-butanol is 0.5, the absolute relative deviation of the speed of sound is 1.79%.

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Transport and acoustic properties of potential renewable oxygenated fuel additives at 308.15 K: Butanol isomers + o-, m- and p-xylene

Cited by 34 publications

References 45 publications

Physico-chemical Studies of Isomeric Butanols in Aniline with m-Xylene

Physico-chemical Studies of Isomeric Butanols in Aniline with m-Xylene

Volumetric and Acoustic Properties of Binary and Ternary Mixtures of Butanol Isomers with Gasoline Surrogate Compounds

Thermodynamic Properties of 1-Butanol + Ethyl Laurate Binary Mixtures by Combining Experimental Speeds of Sound with Volume Translated Peng–Robinson Equation of State

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Transport and acoustic properties of potential renewable oxygenated fuel additives at 308.15 K: Butanol isomers + o-, m- and p-xylene

Cited by 34 publications

References 45 publications

Physico-chemical Studies of Isomeric Butanols in Aniline with m-Xylene

Physico-chemical Studies of Isomeric Butanols in Aniline with m-Xylene

Volumetric and Acoustic Properties of Binary and Ternary Mixtures of Butanol Isomers with Gasoline Surrogate Compounds

Thermodynamic Properties of 1-Butanol + Ethyl Laurate Binary Mixtures by Combining Experimental Speeds of Sound with Volume Translated Peng–Robinson Equation of State

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Product

Resources

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Transport and acoustic properties of potential renewable oxygenated fuel additives at 308.15 K: Butanol isomers + o-, m- and p-xylene