Comparison of high-pressure vapor-liquid equilibria of mixtures of CO2 or propane with nonane and C-9 alkylbenzenes

被引:54
作者
Jennings, DW [1 ]
Schucker, RC [1 ]
机构
[1] EXXON RES & DEV LABS,BATON ROUGE,LA 70821
关键词
D O I
10.1021/je960033n
中图分类号
O414.1 [热力学];
学科分类号
摘要
Vapor-liquid equilibria were measured for (1) binary mixtures of carbon dioxide with nonane, cumene, propylbenzene, or mesitylene, (2) binary mixtures of propane with nonane, cumene, or mesitylene, and (3) ternary mixtures of carbon dioxide, nonane, and cumene. For the carbon dioxide mixtures, vapor-liquid equilibria were measured at 70 degrees C and at pressures ranging from 3.7 MPa to 12.1 MPa. For the propane mixtures, vapor-liquid equilibria were measured at 104 degrees C and at pressures ranging from 0.9 MPa to 3.7 MPa. It was found that differences in the phase equilibria of the mixtures could be explained primarily by the self-association of the C-9 components. The composition of the C-9 components in the vapor phase compositions were found to be directly related to the volatility (self-association) of the C-9 component. Liquid phase compositions were found to be enriched in carbon dioxide or propane content in the mixtures containing C-9 compounds having the weakest self-association. Also presented in this paper are comparisons of measurements of vapor-liquid equilibria of carbon dioxide + decane and propane + decane with literature data as validation of the two experimental methods used. These measurements were made at 71 degrees C for the carbon dioxide + decane mixtures and at temperatures ranging from 38 degrees C to 120 degrees C for the propane + decane mixtures.
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页码:831 / 838
页数:8
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共 17 条
[1]   HIGH-PRESSURE VAPOR-LIQUID-EQUILIBRIA FOR CO2/N-DECANE, CO2/TETRALIN, AND CO2/N-DECANE/TETRALIN AT 71.1-DEGREES-C AND 104.4-DEGREES-C [J].
CHOU, GF ;
FORBERT, RR ;
PRAUSNITZ, JM .
JOURNAL OF CHEMICAL AND ENGINEERING DATA, 1990, 35 (01) :26-29
[2]   SEPARATION OF ALKANES AND AROMATICS WITH SUPERCRITICAL C2H6, CO2, CCLF3, AND CHF3 [J].
DEHAAN, AB ;
DEGRAAUW, J .
SEPARATION SCIENCE AND TECHNOLOGY, 1992, 27 (01) :43-60
[3]   SEPARATION OF DODECANE BIPHENYL MIXTURES USING SUPERCRITICAL ETHANE, CARBON-DIOXIDE, AND AMMONIA [J].
DHALEWADIKAR, SV ;
SECKNER, AJ ;
MCHUGH, MA ;
GUCKES, TL .
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 1987, 26 (05) :976-982
[4]   VAPOR-LIQUID-EQUILIBRIUM FOR PHENANTHRENE-TOLUENE MIXTURES AT ELEVATED-TEMPERATURES AND PRESSURES [J].
HUTCHENSON, KW ;
ROEBERS, JR ;
THIES, MC .
FLUID PHASE EQUILIBRIA, 1990, 60 (03) :309-317
[5]   VAPOR-LIQUID-EQUILIBRIA IN THE CARBON-DIOXIDE + ETHANOL AND CARBON-DIOXIDE + 1-BUTANOL SYSTEMS [J].
JENNINGS, DW ;
LEE, RJ ;
TEJA, AS .
JOURNAL OF CHEMICAL AND ENGINEERING DATA, 1991, 36 (03) :303-307
[6]   VAPOR-LIQUID-EQUILIBRIA FOR CARBON-DIOXIDE PLUS 1-PENTANOL [J].
JENNINGS, DW ;
CHANG, F ;
BAZAAN, V ;
TEJA, AS .
JOURNAL OF CHEMICAL AND ENGINEERING DATA, 1992, 37 (03) :337-338
[7]   REVERSE MICELLES IN SUPERCRITICAL FLUIDS .3. AMINO-ACID SOLUBILIZATION IN ETHANE AND PROPANE [J].
LEMERT, RM ;
FULLER, RA ;
JOHNSTON, KP .
JOURNAL OF PHYSICAL CHEMISTRY, 1990, 94 (15) :6021-6028
[8]   FORMATION OF POLY(1,1,2,2-TETRAHYDROPERFLUORODECYL ACRYLATE) SUBMICRON FIBERS AND PARTICLES FROM SUPERCRITICAL CARBON-DIOXIDE SOLUTIONS [J].
MAWSON, S ;
JOHNSTON, KP ;
COMBES, JR ;
DESIMONE, JM .
MACROMOLECULES, 1995, 28 (09) :3182-3191
[9]   HIGH-PRESSURE PHASE-BEHAVIOR OF BINARY-MIXTURES OF OCTACOSANE AND CARBON-DIOXIDE [J].
MCHUGH, MA ;
SECKNER, AJ ;
YOGAN, TJ .
INDUSTRIAL & ENGINEERING CHEMISTRY FUNDAMENTALS, 1984, 23 (04) :493-499
[10]   EQUILIBRIUM PHASE COMPOSITIONS, PHASE DENSITIES, AND INTERFACIAL-TENSIONS FOR CO2 + HYDROCARBON SYSTEMS .2. CO2 + NORMAL-DECANE [J].
NAGARAJAN, N ;
ROBINSON, RL .
JOURNAL OF CHEMICAL AND ENGINEERING DATA, 1986, 31 (02) :168-171