Равновесие Пар-Жидкость В Бинарных Системах, Содержащих Одноатомные Фенолы И Углеводороды
 I. Изотермическое Равновесие Пар–жидкость В Смесях Фенол–углеводороды

Aarna, A; Kaps, T; Malanovski, S

doi:10.3176/chem.geol.1969.4.02

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“…VLE and LLE prediction models have been developed by Schmelzer et al based on reported data. , In this paper, the authors provided a comparative analysis of VLE measurements reported in refs − for phenol + hydrocarbon (butane, n -heptane, n -octane, n -decane, and n -dodecane) systems, as well as to test suitable methods for the prediction of phase equilibria. The literature search has also revealed that there are several studies of the solubility of phenol in supercritical carbon dioxide, n -heptane, n -octane, and water. − Most of these studies reported the solubility of phenol in SC CO 2 . In general, the studies were carried out in a fairly wide range of temperatures from 309 to 363 K and pressures between 7 and 35 MPa.…”

Section: Introductionmentioning

confidence: 99%

“…Single data point of vaporpressure at 298 K is reported in this paper for a propane + phenol system. Previously, VLE and LLE properties of binary mixtures containing phenol were reported for high n-alkanes such as n-butane, 11 n-hexane, 8,34,35 cyclo-hexane, 8 n-heptane, 36,37 n-octane, 13,15,36,37 n-decane, 14,15,37 dodecane, 13,37 hexadecane, 37 and aromatic hydrocarbons toluene and benzene. 38,39 Suëhnel et al 11 (see also the same data in Preuss and Moerke 40 ) studied VLE properties of an n-butane + phenol binary mixture closely related to the propane + phenol system studied in the present work.…”

Section: Introductionmentioning

confidence: 99%

“…Reliable VLE data of binary systems containing phenol are very important for various chemical processes, e.g., for the production of phenol by toluene oxidation. VLE and LLE prediction models have been developed by Schmelzer et al based on reported data. , In this paper, the authors provided a comparative analysis of VLE measurements reported in refs − for phenol + hydrocarbon (butane, n -heptane, n -octane, n -decane, and n -dodecane) systems, as well as to test suitable methods for the prediction of phase equilibria. The literature search has also revealed that there are several studies of the solubility of phenol in supercritical carbon dioxide, n -heptane, n -octane, and water. − Most of these studies reported the solubility of phenol in SC CO 2 .…”

Section: Introductionmentioning

confidence: 99%

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Measurements of Isothermal Vapor–Liquid Equilibrium and Critical Point-Based Perturbed-Chain Statistical Association Fluid Theory Phase Behavior Modeling of the Propane + Phenol and Tetracosane + Propane/n-Butane Mixtures

et al. 2022

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The isothermal vapor−liquid equilibrium (VLE, pressure, temperature, and composition of coexisting vapor and liquid phases, PTxy) was directly determined using a high-pressure optical cell for binary propane + phenol and ternary tetracosane + propane/n-butane systems. Measurements were carried out at three selected isotherms of 383.15, 403.15, and 423.15 K at pressures from 0.94 to 14.5 MPa for propane + phenol and 403.15, 423.15, and 443.15 K at pressures up to 7.5 MPa for tetracosane + propane/n-butane systems. The critical property data (T C and P C ) for both mixtures have been derived from the measured VLE data. Based on the initial slopes of the critical lines (shape of the critical lines), the qualitative behavior (pure-and mixture-like behavior) of the isochoric heat capacity (C Vx , weak singular property), isobaric heat capacity (C Px ), and isothermal compressibility (K Tx , strong singular property) of the propane + phenol binary mixture near the critical point has been studied. It is demonstrated that the simplest version of critical point-based perturbed-chain statistical association fluid theory neglecting the complex molecular background of phenol yields reasonably accurate predictions of its pure compound properties. With the value of k 12 obtained by fitting the present data of propane + phenol, this model yields reliable predictions for VLE in the systems of other n-alkanes, benzene, carbon monoxide, and nitrogen.

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