十八烷
化学
热力学
状态方程
甲烷
二进制系统
粘度
汽液平衡
蒸汽压
体积热力学
二进制数
色谱法
有机化学
数学
算术
物理
作者
Mohammad Kariznovi,Hossein Nourozieh,Jalal Abedi
标识
DOI:10.1016/j.fluid.2011.10.018
摘要
► Vapor–liquid equilibrium properties over wide range of pressure (2–10) MPa. ► Binary system of methane + n -octadecane at T = (323, 348, 398, and 448) K. ► Experimental measurements, density, viscosity, and composition, using a designed PVT apparatus. ► The experimental data were modeled using the Peng–Robinson and Soave–Redlich–Kwong equations of state. The vapor–liquid equilibrium (VLE) data for binary system of methane + n -octadecane at four temperatures T = (323, 348, 398, and 448) K were measured using a designed pressure–volume–temperature (PVT) apparatus. The phase composition and density and viscosity of saturated liquid phase were measured for pressures up to 10 MPa. The experimental VLE data were compared with the modeling results obtained using the Peng–Robinson and Soave–Redlich–Kwong equations of state. Two approaches, a single temperature-independent interaction parameter and temperature-dependent interaction parameter, were considered to fit the generated experimental data.
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