Multiphase equilibria of the binary mixture xenon + 1-decanol

Patton, Christi L.; Luks, Kraemer D.

doi:10.1016/0378-3812(94)80119-3

Cited by 9 publications

(2 citation statements)

References 16 publications

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“…Measurements were made near the critical point of carbon dioxide, since the carbon dioxide + 1-decanol system exhibits three-phase VLLE in this region. The experimental data measured in this work were compared with available literature data at the same or nearest temperature. − …”

Section: Resultsmentioning

confidence: 99%

“…Examples of such processes are: the supercritical extraction of thermal labile substances and natural products and dehydration of alcohols with supercritical carbon dioxide. 2,3 Experimental vapor−liquid equilibria (VLE) data for the binary system of carbon dioxide + 1-decanol at high pressures are available in literature: Lam et al (data for the VLLE line), 4 Lee and Chen, 5 Weng et al, 6 Chang et al, 7 Ghaziaskar et al, 8 and Zamudio et al 9 In addition, Wilcock et al 10 report a few solubility data of carbon dioxide in 1-decanol, and Patton and Luks 11 present results for the system carbon dioxide + 1-decanol in a narrow temperature interval, (271 to 279) K.…”

Section: ■ Introductionmentioning

confidence: 99%

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Phase Equilibria of the Carbon Dioxide + 1-Decanol System at High Pressures

2013

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In this work experimental vapor-liquid equilibrium (VLE) data and three-phase vapor-liquid-liquid equilibrium (VLLE) data are presented for the carbon dioxide + 1-decanol system. The VLE data were measured at five temperatures, (303.2, 308.2, 323.2, 333.2, and 343.2) K, and pressures up to 16 MPa. The VLLE data cover pressure-temperature () values from 289 K and 5 MPa to the upper critical end point (UCEP). We have used two models to represent the complex fluid phase behavior ( critical curve, VLLE line, and VLE isotherms) of the carbon dioxide + 1-decanol system: the cubic general equation of state (GEOS) and Peng-Robinson (PR) equation in conjunction with van der Waals two parameters conventional mixing rules (2PCMR). A correlation method involving temperature-dependent interaction parameters and a semipredictive approach with independent temperature interaction parameters have been used. Comparisons with experimental data reported in this work and available in the literature indicate that the topology of fluid phase behavior is satisfactorily given by the semipredictive procedure both for the critical line and in subcritical region, considering the relative simple used cubic equations of state.

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