Alkane solubilities in aqueous alkanolamine solutions with CPA EoS

被引：6
|
作者：
Wang, Tianyuan [1 ]
El Ahmar, Elise [1 ]
Coquelet, Christophe [1 ]
机构：
[1] Mines Paristech PSL Res Univ, CTP, 35 Rue St Honore, F-77305 Fontainebleau, France
来源：
FLUID PHASE EQUILIBRIA | 2017年 / 434卷
关键词：
Phase equilibria; Data treatment; Modelling; Parameter determination; EQUATION-OF-STATE; ISOTHERMAL FLASH PROBLEM; VAPOR-LIQUID-EQUILIBRIA; PHASE-EQUILIBRIUM; N-METHYLDIETHANOLAMINE; CARBON-DIOXIDE; PURE WATER; PLUS WATER; METHANE; BINARY;
D O I：
10.1016/j.fluid.2016.11.025
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Absorption with aqueous alkanolamine solution is often used for acid gas removal processes. Thermodynamic model is very important to predict phase behaviour for designing and optimizing acid gas absorption units. To estimate alkanes losses in these processes, the knowledge of alkanes solubility in aqueous alkanolamine solutions is essential. In the present work, Cubic-Plus-Association Equation of State (CPA EoS) was applied to represent alkanes solubility in aqueous alkanolamine. The Average Relative Deviation on alkanes solubility in aqueous alkanolamine solution is less than 15%. Due to our model, the temperature of alkanes minimum solubility in pure water and alkanolamine solutions are correctly predicted. Water content is also well predicted at Vapour Liquid Equilibrium condition. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：93 / 101
页数：9
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