| Extension of LCVM-type mixing rule to three-parameter equations of state for vapor-liquid equilibria of mixtures |
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| 作者姓名： | 韩晓红 陈光明 王勤 崔晓龙 |
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| 作者单位： | Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310027, China |
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| 基金项目： | Project（No. 50276054） supported by the National Natural Science Foundation of China |
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| 摘 要： | In this paper, the LCVM mixing rule is extended to the multi-parameter equations of state by combining infinite-pressure and zero-pressure mixing rule models. The new LCVM-type mixing rule, coupled with Patel-Teja equation of state （EOS） is applied for vapor-liquid equilibria of different polar and non-polar systems in which the NRTL activity coefficient model is used to calculate the excess Gibbs free energy. The tested results agree well with existing experimental data within a wide range of temperatures and pressures. In comparison with the Van der Waals mixing rule, the new mixing rule gives much better correlations for the vapor-liquid equilibria of non-polar and polar systems.
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| 关 键 词： | 气液均衡 状态方程 混合标准 活性系数模型 |
| 收稿时间： | 2005-04-09 |
| 修稿时间： | 2005-07-17 |
Extension of LCVM-type mixing rule to three-parameter equations of state for vapor-liquid equilibria of mixtures |
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| Han XiaoGong;Chen GuangMing;Wang Qin;Cui XiaoLong.Extension of LCVM-type mixing rule to three-parameter equations of state for vapor-liquid equilibria of mixtures[J].Journal of Zhejiang University Science,2005,6(B08):17-22. |
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| Authors: | Han XiaoGong;Chen GuangMing;Wang Qin;Cui XiaoLong |
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