Dissolution of some normal alkanes in ethylbenzene: deduction of the enthalpy of mixing two n-alkanes in the solid state

Ghogomu, P.M.; Schuffenecker, L.; Dellacherie, J.; Dirand, M.; Balesdent, D.

doi:10.1016/s0040-6031(97)00072-5

Cited by 18 publications

(16 citation statements)

References 10 publications

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“…(ii) The solubility of heavy pure alkanes (Ghogomu et al, 1997a) and their binary mixtures in organic solvents (Ghogomu et al, 1989(Ghogomu et al, , 1997b. Their results have been recently confirmed by Flo ¨ter et al, 1997. The aim of this work is to determine the solubility of tricosane (denoted C 23 ), pentacosane (denoted C 25 ), hexacosane (denoted C 26 ), and octacosane (denoted C 28 ) in heptane, methylcyclohexane, and toluene.…”

Section: Introductionmentioning

confidence: 83%

Solubility of Some n-Alkanes (C₂₃, C₂₅, C₂₆, C₂₈) in Heptane, Methylcyclohexane, and Toluene

Provost¹,

Chevallier²,

Bouroukba³

et al. 1998

J. Chem. Eng. Data

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Solubilities of four heavy n-alkanes (tricosane, pentacosane, hexacosane, and octacosane) in a solvent containing seven atoms of carbon (heptane, methylcyclohexane, and toluene) are determined by simple thermal analysis. It is shown that the nature of the solvent has no major influence on the solubility and that, in a same solvent, the solubility decreases when the carbon number of the alkane chain increases. Simple expressions are applied to represent the solubility lines, which reveals that the binary mixtures are not ideal.

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Section: Introductionmentioning

confidence: 83%

Solubility of Some n-Alkanes (C₂₃, C₂₅, C₂₆, C₂₈) in Heptane, Methylcyclohexane, and Toluene

Provost¹,

Chevallier²,

Bouroukba³

et al. 1998

J. Chem. Eng. Data

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“…Aggregation phenomena in solution have already been observed by means of light scattering in quite a different system (hexadecane in ethylbenzene) as approaching the crystallization temperature [37,38,53]. The existence of such interactions in solution should not be excluded; they may manifest in a narrow temperature domain just above the cloud point.…”

Section: Ir Spectroscopymentioning

confidence: 99%

“…Alkanes such as heptane [17,35,36] or tetradecane [22] did not reproduce phenomena observed in the practical application. Although imperfectly, ethylbenzene [37,38] simulates the aromatic part of diesel oil, which seems to play an important role in paraffin crystallization [39]. Finally, kerosene [40] or dewaxed diesel oil [24,25] is more complex but closer to the actual practice.…”

Section: Introductionmentioning

confidence: 99%

Control of n-alkanes crystallization by ethylene–vinyl acetate copolymers

Marie

Chevalier

Eydoux³

et al. 2005

Journal of Colloid and Interface Science

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“…As the crystallization of normal paraffin hydrocarbons in the middle distillate fuels and in petroleum cuts is of significant interest in petroleum technologies, studies have been carried out on the solubilities of pure C n 's and of their synthetic mixtures in organic solvents 121,168,[197][198][199][200][201][202][203][204][205][206][207][208][209][210][211][212][213][214][215][216] and on the structural and thermodynamic properties of model and real multicomponent paraffin waxes in order to seek adequate thermodynamic models to represent the behavior of petroleum cuts. 23,76,77, The aim of this review is to summarize current findings in the literature and to give complementary results obtained in recent years.…”

Section: Introductionmentioning

confidence: 99%

Normal Alkanes, Multialkane Synthetic Model Mixtures, and Real Petroleum Waxes: Crystallographic Structures, Thermodynamic Properties, and Crystallization

Dirand¹,

Bouroukba²,

Chevallier³

et al. 2002

J. Chem. Eng. Data

211

335

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A general review is presented concerning jointly the crystallographic structures and the solid-solid and solid-liquid transition temperatures and enthalpies in the pure normal alkanes, as well as the structural and thermodynamic behavior of their synthetic binary, ternary, and multinary model mixtures and of real petroleum waxes. A major part of the structural and thermodynamic data of the literature, relative to the pure n-alkanes, are listed from methane up to the alkane with carbon atom number equal to 390. Variation relationships of the crystallographic long c-parameter that corresponds to the periodicity of the molecule layer packing along their axis, melting temperatures, and transition enthalpies are given as a function of the carbon atom number. The study of the literature on the n-alkane mixtures highlights the existence of isostructural binary, ternary, and multinary intermediate solid solutions which can be likened to a single pseudocomponent. This intermediate solid solution is equivalent to a hypothetical pure n-alkane whose carbon atom number is equal to the average carbon atom number of the mixtures. As a result, the solubility of these multinary solid solutions or real multiparaffinic waxes in linear, cyclic, or aromatic light solvents is identical to that of the pure n-alkanes: pseudobinary eutectic crystallization of the model or real wax as a single pseudocomponent on one hand and the light solvent on the other hand.

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Dissolution of some normal alkanes in ethylbenzene: deduction of the enthalpy of mixing two n-alkanes in the solid state

Cited by 18 publications

References 10 publications

Solubility of Some n-Alkanes (C₂₃, C₂₅, C₂₆, C₂₈) in Heptane, Methylcyclohexane, and Toluene

Solubility of Some n-Alkanes (C₂₃, C₂₅, C₂₆, C₂₈) in Heptane, Methylcyclohexane, and Toluene

Control of n-alkanes crystallization by ethylene–vinyl acetate copolymers

Normal Alkanes, Multialkane Synthetic Model Mixtures, and Real Petroleum Waxes: Crystallographic Structures, Thermodynamic Properties, and Crystallization

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Dissolution of some normal alkanes in ethylbenzene: deduction of the enthalpy of mixing two n-alkanes in the solid state

Cited by 18 publications

References 10 publications

Solubility of Some n-Alkanes (C23, C25, C26, C28) in Heptane, Methylcyclohexane, and Toluene

Solubility of Some n-Alkanes (C23, C25, C26, C28) in Heptane, Methylcyclohexane, and Toluene

Control of n-alkanes crystallization by ethylene–vinyl acetate copolymers

Normal Alkanes, Multialkane Synthetic Model Mixtures, and Real Petroleum Waxes: Crystallographic Structures, Thermodynamic Properties, and Crystallization

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Product

Resources

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Solubility of Some n-Alkanes (C₂₃, C₂₅, C₂₆, C₂₈) in Heptane, Methylcyclohexane, and Toluene

Solubility of Some n-Alkanes (C₂₃, C₂₅, C₂₆, C₂₈) in Heptane, Methylcyclohexane, and Toluene