Thermodynamic modelling of acid gas removal from natural gas using the Extended UNIQUAC model

被引：18

作者：

Sadegh, Negar ^{[1
]}

Stenby, Erling H. ^{[2
]}

Thomsen, Kaj ^{[1
]}

机构：

[1] Tech Univ Denmark, CERE, Dept Chem & Biochem Engn, Soltofts Plads,Bldg 229, DK-2800 Lyngby, Denmark

[2] Tech Univ Denmark, CERE, Dept Chem, Kemitorvet 207,Bldg 206, DK-2800 Lyngby, Denmark

来源：

FLUID PHASE EQUILIBRIA | 2017年 / 442卷

关键词：

Thermodynamics; Extended UNIQUAC; High pressure; MDEA; Acid gas; Natural gas; N-METHYLDIETHANOLAMINE; HYDROGEN-SULFIDE; CARBON-DIOXIDE; SOLUBILITY; CO2; H2S; EQUILIBRIUM; ABSORPTION; EQUATION; METHANE;

D O I：

10.1016/j.fluid.2017.02.020

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Thermodynamics of natural gas sweetening process needs to be known for proper design of natural gas treating plants. Absorption with aqueous N-Methyldiethanolamine is currently the most commonly used process for removal of acid gas (CO2 and H2S) impurities from natural gas. Model parameters for the Extended UNIQUAC model have already been determined by the same authors to calculate single acid gas solubility in aqueous MDEA. In this study, the model is further extended to estimate solubility of CO2 and H2S and their mixture in aqueous MDEA at high pressures with methane as a makeup gas. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：38 / 43

页数：6

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