Measurements and modeling of the VLE properties of n-hexadecane in supercritical binary propane plus n-butane solvent

被引：19
|
作者：
Khairutdinov, Vener F. [1 ]
Gumerov, Farid M. [1 ]
Khabriev, Ilnar Sh [1 ]
Farakhov, Mansur, I [1 ]
Salikhov, Ilfat Z. [1 ]
Polishuk, Ilya [2 ]
Abdulagatov, Ilmutdin M. [3 ,4 ]
机构：
[1] Kazan Natl Res Technol Univ, Kazan, Russia
[2] Ariel Univ, Dept Chem Engn, Ariel, Israel
[3] Dagestan State Univ, Dept Phys & Organ Chem, Makhachkala, Russia
[4] Russian Acad Sci, Geothermal Res Inst, Makhachkala, Russia
来源：
FLUID PHASE EQUILIBRIA | 2020年 / 510卷
基金：
俄罗斯科学基金会;
关键词：
Critical point; Critical curve; Equation of state; n-hexadecane plus propane mixture; n-hexadecane plus propane plus n-butane mixture; Phase diagram; Supercritical solvent; VLE measurements; VAPOR-LIQUID-EQUILIBRIA; PHASE-EQUILIBRIA; HENRY CONSTANTS; CARBON-DIOXIDE; HYDROCARBONS; EXTRACTION; EQUATION; SYSTEMS; APPARATUS; STATE;
D O I：
10.1016/j.fluid.2020.112502
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This study reports the new VLE data of n-hexadecane in pure propane at 403 K and in the supercritical solvent mixture (0.527 propane+0.473 n-butane mole fraction) at 403 K, 423 K, and 443 K over the pressure range from (1.22-6.31) MPa. The measurements were made using a high-temperature and high-pressure optical cell. The combined expanded uncertainty of the temperature, pressure, and concentration measurements at 95% confidence level with a coverage factor of k = 2 is estimated at 0.15 K, 0.05%, and 3%, respectively. The measured VLE data for binary propane + hexadecane and ternary propane + n-butane + n-hexadecane mixtures were used to examine the predictive capabilities PC-SAFT and PR EoS. (C) 2020 Elsevier B.V. All rights reserved.
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页数：8
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