Comparative study of physico-chemical properties of binary mixtures of N,N-dimethylformamide with 1-alkanols at different temperatures

AlTuwaim, Mohammad S.; Alkhaldi, Khaled H.A.E.; Al-Jimaz, Adel S.; Mohammad, Abubaker A.

doi:10.1016/j.jct.2011.12.002

Cited by 78 publications

(25 citation statements)

References 65 publications

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“…This phenomenon is likely arising from the interaction effects occurred by mixing condensate and DSO which results in breaking of chemical bonds and increase the total volume after mixing, leading to excess molar volume greater than zero [28]. While the negative excess molar volume may suggest strong interactions such as hydrogen bond between molecules of a mixture [27], the positive value for excess molar volume was also observed by AlTuwaim et al for different binary mixtures of N,Ndimethylformamide in combination with 1-pentanol, 1-hexanol, and 1-heptanol separately [31]. Moreover, Narendra et al [32] and Kumari et al [33] found the same trend for anisaldehyde ?…”

Section: Excess Propertiesmentioning

confidence: 75%

Density, viscosity, surface tension, and excess properties of DSO and gas condensate mixtures

et al. 2017

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Disulfide oil (DSO) mostly burned or stored is known as a low-grade byproduct in gas refining industries. This material is highly perilous to environment. A common way to reduce the environmental impact of DSO is blending in a specific ratio with gas condensate stream in gas refinery. This would improve DSO quality and consequently strengthen its unique application. In this work, density, viscosity and surface tension of DSO and gas condensate mixtures were measured and modeled. Viscosity and density of DSO, gas condensate, and their mixtures were measured in temperature range of 283.15-318.15 K. In addition, surface tension was measured at 298.15 K at different volumetric fractions of DSO-gas condensate mixture. Excess molar volume (V E ), viscosity deviation (Dl), deviation of excess Gibbs free energy (DG E ), and excess surface tension (r E ) were determined based on measured properties. Results showed a positive and negative trend for excess molar volume and excess surface tension, respectively. While fluctuation was observed in viscosity deviation and deviation of excess Gibbs free energy and results showed positive and negative values in different mole fraction. In addition, RedlichKister equation is proposed to predict excess properties of DSO and gas condensate mixtures.Keywords DSO Á Gas condensate Á Excess property Á Viscosity Á Gibbs free energy Á Surface tension

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Section: Excess Propertiesmentioning

confidence: 75%

Density, viscosity, surface tension, and excess properties of DSO and gas condensate mixtures

et al. 2017

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“…They were used without further purification. The purities of the materials were checked by comparing their density (ρ) and speed of sound (u) values were determined at a 303.15K temperature and compared with literature data [11][12][13][14][15][16] and reported in Table-1. DENSITY AND ACOUSTIC PROPERTIES OF BINARY LIQUID Jyostnaet al…”

Section: Experimental Materialsmentioning

confidence: 99%

Density and Acoustic Properties of Binary Liquid Mixtures of Ethyl Acetoacetate (Eaa) With 1- Alkanols (C3-C6) at Temperature 303.15K

Jyostna¹,

Ramesh²,

Sreenu³

et al. 2018

RJC

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The density and speed of sound of binary liquid mixtures of Ethyl acetoacetate with 1-Propanol, 1-Butanol, 1-Pentanol and 1-Hexanol have been measured over the entire range of composition at 303.15K temperature. From these data, excess thermodynamic parameters namely excess molar volume and deviation in isentropic compressibility have been calculated. The calculated parameters have been fitted to Redlich-Kister type polynomial equation. The values of excess parameters have been explained in terms of molecular interactions that operating between unlike molecules in the binary liquid mixtures of Ethyl acetoacetate with 1-Alkanols.

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“…An electronic digital stopwatch with an uncertainty of ± 0.01 s was used for flow time measurements. The experimental uncertainty of viscosity was estimated as ±1.03% and the uncertainty of temperature ± 0.1 K. The purity of all these solvents were compared with the measured densities, speeds of sound and viscosities of the pure liquids with the literature [13][14][15][16][17][18][19][20][21] and these were enlisted in Table 2.…”

Section: Apparatus and Proceduresmentioning

confidence: 99%

Electron Releasing Effect on the Thermodynamic and Transport Properties of Liquid Mixtures at Various Temperatures

Raghavendra¹,

Venkatesulu²,

Rao³

et al. 2017

IOSR JAC

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Comparative study of physico-chemical properties of binary mixtures of N,N-dimethylformamide with 1-alkanols at different temperatures

Cited by 78 publications

References 65 publications

Density, viscosity, surface tension, and excess properties of DSO and gas condensate mixtures

Density, viscosity, surface tension, and excess properties of DSO and gas condensate mixtures

Density and Acoustic Properties of Binary Liquid Mixtures of Ethyl Acetoacetate (Eaa) With 1- Alkanols (C3-C6) at Temperature 303.15K

Electron Releasing Effect on the Thermodynamic and Transport Properties of Liquid Mixtures at Various Temperatures

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