Vapor-liquid equilibrium data for the dimethyl ether (RE170) + decafluorobutane (R3-1-10) system at temperatures from 313.28 to 392.83 K and pressures up to 4.9 MPa

被引：4
|
作者：
Valtz, Alain [1 ]
Coquelet, Christophe [1 ,2 ]
机构：
[1] MINES ParisTech, CEP TEP Ctr Energet & Procedes, F-77305 Fontainebleau, France
[2] Univ KwaZulu Natal, Sch Chem Engn, Thermodynam Res Unit, ZA-4041 Durban, South Africa
来源：
FLUID PHASE EQUILIBRIA | 2012年 / 316卷
关键词：
VLE data; High-pressures; Organic Rankine cycle Modelling; Mixture critical point; Perfluorobutane (R3-1-10); Dimethyl ether (RE170); EQUATION-OF-STATE; CRITICAL-POINTS; R227EA SYSTEM; TEMPERATURES; PRESSURES; MPA; MIXTURES;
D O I：
10.1016/j.fluid.2011.11.026
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Isothermal vapour-liquid equilibrium data have been measured for the RE170 + R3-1-10 binary system at nine temperatures between 313.28 and 392.83 K, and pressures between 0.57 and 4.9 MPa. The experimental method used in this work is of the static-analytic type, taking advantage of two pneumatic capillary samplers (ROLSI (TM), Armines' patent) developed in the CEP/TEP laboratory. The data were obtained with accuracies within +/- 0.02 K, +/- 0.0006 MPa and +/- 0.009 for molar compositions. The particularity of this system is to present an azeotrope. The isothermal P, x, y data are well represented with the Peng and Robinson equation of state using the Mathias Copeman alpha function and the Wong-Sandler mixing rules involving the NRTL g() pound model. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：141 / 146
页数：6
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