Competition between Redlich–Kister and improved Herráez equations of correlation viscosities in 1,4-dioxane +water binary mixtures at different temperatures

Ouerfelli, N.; Iulian, Olga; Bouaziz, Moncef

doi:10.1080/00319100903131559

Cited by 29 publications

(44 citation statements)

References 50 publications

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“…Generally, examination of the trends of the dependence of excess properties on molar composition in binary mixtures (curves with extrema around the middle of composition range) [1][2][3][4][5][6][7][8] , suggested that many of these systems are similar. So, the excess quantity gives an overall view of the origin of the non-ideality in the mixtures but still can be quite misleading.…”

Section: Introductionmentioning

confidence: 99%

“…In the present study the excess molar properties and viscosity deviations [1][2][3][4][5][6][7][8] are fitted to the reduced Redlich-Kister (R-K) equation along with its corresponding relative properties and the Herráez 17,18 and Belda correlative equations [19][20][21] . In addition, the reduced R-K function relative to the viscosity Arrhenius activation energy which is equivalent to the apparent molar property gives more information because it is more sensitive than the excess property to interaction 22,23 .…”

Section: Introductionmentioning

confidence: 99%

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On the reduced Redlich-Kister excess properties for 1,2-dimethoxyethane with propylene carbonate binary mixtures at temperatures (from 298.15 to 318.15) K.

Salhi

Babu²,

Al-Eidan³

et al. 2017

Mediterr.J.Chem.,

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Values of excess properties in 1,2-dimethoxyethane + propylene carbonate binary liquid mixtures at different temperatures from experimental density and viscosity values presented in earlier work, were used to test the applicability of the correlative reduced Redlich-Kister functions and the Belda equation, and to reveal eventual specific interaction hidden by the classical treatment of direct excess Redlich-Kister functions. Their correlation ability at different temperatures, and the use of different numbers of parameters, is discussed for the case of limited experimental data. The relative Redlich-Kister functions are important to reduce the effect of temperature and, consequently, to reveal the effects of different types of interactions. Values of limiting excess partial molar volume at infinite dilution deduced from different methods were discussed. Also, the activation parameters and partial molar Gibbs free energy of activation of viscous flow against compositions were investigated. Correlation between the two Arrhenius parameters of viscosity shows the existence of main different behaviors separated by a stabilized structure in a short range of mole fraction in 1,2-dimethoxyethane (0.45 to 0.83). In this context, the correlation Belda equation has also been applied to the present system for thermodynamic properties in order to reveal eventual solute-solvent interaction at high dilution.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

On the reduced Redlich-Kister excess properties for 1,2-dimethoxyethane with propylene carbonate binary mixtures at temperatures (from 298.15 to 318.15) K.

Salhi

Babu²,

Al-Eidan³

et al. 2017

Mediterr.J.Chem.,

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“…It shows that the ion-ion or solutesolute interaction is absent at very high dilution of DMF or of EtOH in the two limiting rich regions. Same suggestion is reported in previous works [39][40][41][42][43] studying absolute viscosity in 1,4-dioxane and isobutyric acid liquid mixtures with water. It is concluded that the first coefficient B 0 is considered as a universal exponent characterizing the nature of present or dominant interaction at infinite dilution.…”

Section: Temperature-dependence Of Liquid Shear Viscositymentioning

confidence: 59%

“…By means of the novel concepts of the universal exponent of Herráez, reduced Redlich-Kister (RK) properties and Belda coefficients [35][36][37][38][39][40][41][42][43], we have launched a perceivable research program to obtain more information about the internal structure of the mixtures of most of the organic solvents that have a high importance in biology as cited in the literature . In view of the data given from the literature and augmented by some interpolation operations for derivations needed, it is extended to examine the viscosity Arrhenius-type behaviour along with a new coefficients nominated as Arrhenius temperature (TA), in ethanol + N,N-dimethylformamide binary fluid mixtures from 303.1 to 323.15 K [28][29][30][31][32][33][34].…”

Section: Introductionmentioning

confidence: 99%

A Novel Approach of Partial Derivatives to Estimate the Normal Boiling Temperature via Viscosity Arrhenius Behaviour in N,N-Dimethylformamide + Ethanol Fluid Systems

Dallel¹,

Al-Arfaj²,

Alomair³

et al. 2017

Asian J. Chem.

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The experimental values of absolute viscosity in N,N-dimethylformamide + ethanol binary fluid mixtures (from 303.15 to 323.15 K) can induce us to investigate different correlation expressions as well as their derivative quantities. Investigation of the molar enthalpy of viscous flow (∆H*) and the viscosity activation energy (Ea) reveals close values and similar variation against composition, here we can justify the notion of partial activation energies Ea1 and Ea2 for pure components along with their separately individual contributions. Correlation between the two Arrhenius parameters in the whole range of compositions shows the existence of different interaction behaviours, delimited by peculiar compositions. It is also noticed that the ratio between the two parameters leads to the Arrhenius temperature which is in causal correlation with the temperature of vapourization in the liquid-vapour isobaric diagram and the limiting partial properties can permit us to predict values of the boiling temperatures of the pure fluid components.

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“…where the reduced Redlich-Kister property Q RK,Y (x 1 ) is expressed as follows [9][10][11][12][13][14][15][16][17][18][19][20]:…”

Section: Introductionmentioning

confidence: 99%

An Extended Belda Equation for Physico-chemical Properties Correlation in Binary Liquid Mixtures at Different Temperatures

Messaâdi¹,

Alkhaldi²,

Alzamel³

et al. 2017

Asian J. Chem.

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INTRODUCTIONPhysico-chemical features of fluid systems are essential for recognizing different thermodynamic behaviours. Diverse physico-chemical characteristics such as density, molar volume, viscosity, surface tension and refractive index should be considered for optimizing and designing fluids [1,2].Some published articles concerning the physico-chemical quantities of fluid show that the majority of them display nonideal behaviour or not arranged in a straight line. Accordingly, the estimations of the above quantities or their variations necessitate empirical or semi-empirical formulae able to give a consistent estimation of their specific features [3][4][5].The present research suggests an extension of Belda equation [5][6][7] giving dependable assessment of the special physicochemical or thermodynamic quantities (density, viscosity, molar volume, surface tension and refractive index, etc.) of dual combinations of fluids against of mole composition. The judgment of the investigational data of those quantities versus Belda model and our proposed extension has been carried out.Correlation equations: For most cases mixing operations in applied chemistry and in industrial engineering is difficult due to the non-straight line performance. Then, accurate statistics have to be obtainable with forms able to furnishing a consistent judgment of physical and chemical properties for different behaviours of liquid mixtures. In general, the theoretical description of concepts related to properties is therefore quite complex and exact explicit expressions are absent. This is the reason why several models have been suggested, extended and/ or modified over the years referred on some theories, or empirical and semi-empirical equations which are constantly unrelated to every kind of binary liquid mixtures. Moreover, investigations on the physico-chemical quantities of dual mixtures show that a large amount of them reveal non-ideal or non-linear behaviours. Consequently, the search of these quantities or their excess or variations necessitates mathematical expressions eligible of giving a valid approximation of their behaviours [1][2][3][4][5][6][7][8]. An Extended Belda Equation for Physico-chemical Properties Correlation in Binary Liquid Mixtures at Different TemperaturesIn the present work, different properties (Y) were correlated with molar composition using the Belda [5] correlation equation and our proposed extension which uses a correcting factor to the linearity. The equation has been applied at least to 26 binary liquid mixtures. The validity versus the magnitude and accuracy of the adjustable parameters is compared and discussed for each property.

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Competition between Redlich–Kister and improved Herráez equations of correlation viscosities in 1,4-dioxane +water binary mixtures at different temperatures

Cited by 29 publications

References 50 publications

On the reduced Redlich-Kister excess properties for 1,2-dimethoxyethane with propylene carbonate binary mixtures at temperatures (from 298.15 to 318.15) K.

On the reduced Redlich-Kister excess properties for 1,2-dimethoxyethane with propylene carbonate binary mixtures at temperatures (from 298.15 to 318.15) K.

A Novel Approach of Partial Derivatives to Estimate the Normal Boiling Temperature via Viscosity Arrhenius Behaviour in N,N-Dimethylformamide + Ethanol Fluid Systems

An Extended Belda Equation for Physico-chemical Properties Correlation in Binary Liquid Mixtures at Different Temperatures

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