Vapor-liquid equilibria of binary and ternary mixtures containing methane, ethane, and carbon dioxide from Gibbs ensemble simulations

被引：27

作者：

Liu, AP ^{[1
]}

Beck, TL ^{[1
]}

机构：

[1] Univ Cincinnati, Dept Chem, Cincinnati, OH 45221 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 1998年 / 102卷 / 39期

关键词：

D O I：

10.1021/jp980094n

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Simulations are presented of the liquid-phase-vapor-phase equilibria of binary mixtures (methane + ethane, methane + carbon dioxide, ethane + carbon dioxide) and ternary mixtures (methane + ethane + carbon dioxide) in the Gibbs ensemble. Methane, ethane, and carbon dioxide are described with molecular models of the types 1CLJ, 2CLJ, and 2CLJQ, respectively. The equality of the chemical potentials in the two phases is maintained by transfer of the smallest molecule and exchange for the remaining molecules. The successful acceptance ratio of exchange is usually more than 10 times larger than that for transfer. The results are in relatively good agreement with experimental and other simulation data.

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收藏

页码：7627 / 7631

页数：5

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