Vapor-Liquid Equilibrium Calculations with Peng-Robinson Equation of State and the Conformal Solution Mixing Rules

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Vapor-Liquid Equilibrium Calculations with Peng-Robinson Equation of State and the Conformal Solution Mixing Rules

更新时间：2025-12-16

- Vapor-Liquid Equilibrium Calculations with Peng-Robinson Equation of State and the Conformal Solution Mixing Rules
- CIESC Journal Issue 3, (1985)
- 作者机构：
  
  化工部化工机械研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 September 1985，
  
  Published：25 September 1985
- 稿件说明：
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汪文川. Vapor-Liquid Equilibrium Calculations with Peng-Robinson Equation of State and the Conformal Solution Mixing Rules[J]. CIESC Journal, 1985, (3).
DOI：

汪文川. Vapor-Liquid Equilibrium Calculations with Peng-Robinson Equation of State and the Conformal Solution Mixing Rules[J]. CIESC Journal, 1985, (3). DOI：

摘要

Peng-Robinson状态方程式用于推算三组二元系统的汽-液平衡:甲烷、二氧化碳及氢与烃类.对含甲烷及二氧化碳的二元系统.推荐了经过关联的相互作用参数.将保形溶液(Conformal Solu-tion)混合规则及本文提出的对温度有关的系数α的修正式应用于高度非对称的含氢二元系统

较Peng-Robinson的原始工作更为精确地表述了汽-液平衡.

Abstract

The Peng-Robinson equation of state was used for predicting vapor-liquid equilibria for three binary groups-methane-hydrocarbons

carbondi-oxide-hydrocarbons

and hydrogen-hydrocarbons. The correlated interaction parameters were recommended for binary systems containing methane and carbon dioxide. Application of the conformal solution mixing rules and a proposed correction of the temperature dependent factor a to highly asymmetric hydrogen-containing binary system

led to a more accurate description of vapor-liquid equilibria than the original work of Peng-Robinson.

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