Measurements of isothermal (vapor plus liquid) phase equilibrium for {trifluoroiodomethane (R13I1)+1,1-difluoroethane (R152a)} from T = (258.150 to 283.150) K

被引：14
|
作者：
Gong, Maoqiong [1 ]
Cheng, Kuiwei [1 ,2 ]
Dong, Xueqiang [1 ]
Guo, Hao [1 ]
Zhao, Yanxing [1 ,2 ]
Wu, Jianfeng [1 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Cryogen, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2015年 / 88卷
关键词：
(Vapor plus liquid) equilibrium; Trifluoroiodomethane; 1,1-Difluoroethane; Azeotropic; REFRIGERANT MIXTURES; BINARY-SYSTEMS; MIXING RULES; 1,1-DIFLUOROETHANE; STATE; TEMPERATURES; EQUATIONS;
D O I：
10.1016/j.jct.2015.04.011
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this paper, isothermal (vapor + liquid) equilibrium (VLE) values for {trifluoroiodomethane (R13I1) + 1,1-difluoroethane (R152a)} at T = (258.150 to 283.150) K are presented. The experimental apparatus was based on a vapor-recirculation method. The VLE measurements were regressed by the Peng-Robinson equation of state with two models, the Van der Waals mixing rules and the Huron-Vidal mixing rules using the NRTL activity coefficient model. The newly measured VLE values satisfied the thermodynamic consistency test. The results have led to that the two models selected are both suitable for the description of the binary system. Azeotropic behavior can be found for the system measured. (C) 2015 Elsevier Ltd. All rights reserved.
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收藏
页码：90 / 95
页数：6
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