Vapor-Liquid Equilibrium of CO-CO_2-CH_3OH System

翁孟炎

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Vapor-Liquid Equilibrium of CO-CO_2-CH_3OH System

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- Vapor-Liquid Equilibrium of CO-CO_2-CH_3OH System
- CIESC Journal Issue 4, (1990)
- 作者机构：
  
  化工部上海化工研究院,上海
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 August 1990，
  
  Published：25 August 1990
- 稿件说明：
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翁孟炎. Vapor-Liquid Equilibrium of CO-CO_2-CH_3OH System[J]. CIESC Journal, 1990, (4).
DOI：

翁孟炎. Vapor-Liquid Equilibrium of CO-CO_2-CH_3OH System[J]. CIESC Journal, 1990, (4). DOI：

摘要

利用低温甲醇洗涤酸性气体(如CO_2

H_2S等)的工艺已在大型氨厂的合成气净化中和以煤为原料生产甲醇和城市煤气中获得了广泛的应用.在上述工况的物料中

CO的含量大约为2.5—50%.因此

为了满足工艺设计的需要

就必须掌握CO-CO_2-CH_3OH三元系的气液平衡数据.但至今尚未发现该三元系的气液平衡数据的发表

该三元系所包含的二元系——CO_2-CH_3OH

CO-CO_2和CO-CH_3OH体系却已有不少学者进行了研究.所以

本文的目

Abstract

In this study the vapor and liquid equilibrium compositions in a ternary system CO-CO2-CH3OH were determined statically under the conditions of t = -5

-30

-55℃

P = 23.57×l05Pa

79.47×l05Pa and xCo2 = 0.02-0.3.Based on the experiment

the non-ideality of the gas phase was treated with the SRK equation of state

while that of the liquid phase was treated with the Wilson model for activity coefficients. The model parameters were determined with CO-CO2

CO-CH3OH and CO2-CH3OH constituent systems. The values calculated with the model are in good agreement with the experimental values.

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