Solubility of aromatic hydrocarbon solids in pyridine and thiophene

Choi, Peter B.; McLaughlin, E.

doi:10.1021/i100009a008

Cited by 50 publications

(34 citation statements)

References 3 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Hildebrand solubility parameter (δ H ), used in this work to select the best solvents for PDCA, can be obtained using eqs and where γ 1 is the activity coefficient of solute; V 1 is the molar volume of the subcooled liquid of the solute; δ 1 and δ 2 are the solubility parameters of the solute and solvent, respectively; R is the universal gas constant; T is the temperature in Kelvin; and ϕ 2 is the solvent volume fraction. Hildebrand solubility parameters for the solvents used in this work were taken from ref .…”

Section: Thermodynamic Modelingmentioning

confidence: 99%

Thermodynamic Modeling and Solubility Parameter of 2,6-Pyridinedicarboxylic Acid in Selected Solvents at Different Temperatures

et al. 2021

View full text Add to dashboard Cite

Solubility of 2,6-pyridinedicarboxylic acid (PDCA) in methanol, ethanol, n-propanol, isopropanol, tetrahydrofuran (THF), 1,4-dioxane, acetic acid, formic acid, acetonitrile, ethyl acetate, toluene, and in binary mixed solvents (methanol + THF) was determined by a static analytical method at 0.1 MPa and various temperatures. The PDCA solubility parameters were obtained using Scatchard−Hildebrand theory. The solubility of PDCA in mixtures containing different ratios of methanol and THF demonstrated a maximum-solubility effect. The Apelblat and the Buchowski−Ksiazaczak (λh) equations, as well as Wilson, nonrandom two-liquid (NRTL), and universal quasi-chemical models, were applied to process and fit the experimental data. All models reproduced the experimental data satisfactorily. The NRTL model provided the best correlation results for these systems, with the root-mean-square deviation below 1.39%. This work provides solubility data, solubility parameters, and thermodynamic modeling data of PDCA, which are important for industrial production and crystallization of PDCA.

show abstract

Section: Thermodynamic Modelingmentioning

confidence: 99%

Thermodynamic Modeling and Solubility Parameter of 2,6-Pyridinedicarboxylic Acid in Selected Solvents at Different Temperatures

et al. 2021

View full text Add to dashboard Cite

show abstract

“…Correlation with the Scatchard−Hildebrand Model. The Scatchard−Hildebrand activity coefficient model, 32 applied to correlate the activity coefficients listed in Table 2, can be expressed as…”

Section: Correlation With the λHmentioning

confidence: 99%

Solid–Liquid Phase Equilibrium of N,N′-Piperazinebis(neopentylglycol)phosphoramidate in Selected Solvents from T = (293.15 to 333.15) K

et al. 2017

View full text Add to dashboard Cite

A phosphorus flame retardant named N,N′-piperazinebis-(neopentylglycol)phosphoramidate (PBNGP) was synthesized and characterized by elemental analysis, Fourier transform infrared spectroscopy, mass spectra, and nuclear magnetic resonance. Its thermal properties were evaluated via thermogravimetric analysis and differential scanning calorimetry. The solubilities of PBNGP in selected solvents at T = (293.15 to 333.15) K and atmospheric pressure were measured via a static-analytic method. The experimental data were correlated with Scatchard−Hildebrand, Buchowski-Ksiazczak, Wilson, nonrandom two liquid, and universal quasichemical equations. The calculated results showed that all of these models can reproduce the experimental data well, and the Wilson model gives the best correlation, with an overall relative standard deviation of 0.70%. The solubility parameter of PBNGP was calculated using the Scatchard−Hildebrand methodology.

show abstract

“…The chemicals used in this study were purchased and purified by methods discussed in previous papers (4,5). These chemicals (the solutes) are recovered by rotary evaporation of the solvents in vacuo and reused.…”

Section: Experlmental Proceduresmentioning

confidence: 99%

Solubilities of polynuclear aromatic hydrocarbons in mixtures of common organic solvents

Coon¹,

Troth²,

McLaughlin³

1987

J. Chem. Eng. Data

Self Cite

View full text Add to dashboard Cite

natural gas plus 0%, 5.5%, and 10.0% water in the sour natural gas. The uncertainty bands reflect three standard deviations as provided by the maximum likelihood computer program. They do not contain the unknown systematic errors. While the usual experimental diagnostics for adsorption were absent, the adsorption of one molecule out of 1000 causes about ±0.3 cm3/mol in Sm and ±75 cm6/mol2 in Cm. The usual effect of adsorption is to make the computed Bm too negative with Cm too positive for compensation. ConclusionsPVT data plus second and third virial coefficients have been reported for six wet natural gas mixtures. The presence of small amounts of water is seen to have a major influence on the densities, Bm and, particularly, Cm.It has been shown elsewhere (7) that Bm and Cm for the sweet natural gas mixtures to 5.0% water content are predicted within experimental uncertainties by the correlations of Tsonopoulos ( 8) and Orbey and Vera (9), respectively. The prediction Is a priori in that the binary Interaction constants k,¡ contained in both correlations were not adjusted to fit the data but rather the values used were those of Prausnitz (10). The 10.0% water/sweet gas virial coefficients are not so well predicted possibly due to poor values of B, and C," for pure water. These correlations generally predict reasonable values of B,i and Cl/k as long as no more than one polar molecule is involved in the interaction. Thus, a priori prediction of Bm and Cm for any of the sour gas systems is poor due to the presence of C02, H2S, and, in the last two systems, water.

show abstract

Solubility of aromatic hydrocarbon solids in pyridine and thiophene

Cited by 50 publications

References 3 publications

Thermodynamic Modeling and Solubility Parameter of 2,6-Pyridinedicarboxylic Acid in Selected Solvents at Different Temperatures

Thermodynamic Modeling and Solubility Parameter of 2,6-Pyridinedicarboxylic Acid in Selected Solvents at Different Temperatures

Solid–Liquid Phase Equilibrium of N,N′-Piperazinebis(neopentylglycol)phosphoramidate in Selected Solvents from T = (293.15 to 333.15) K

Solubilities of polynuclear aromatic hydrocarbons in mixtures of common organic solvents

Contact Info

Product

Resources

About