A simple model for prediction of acid gas solubilities in alkanolamines

被引：53

作者：

Posey, ML ^{[1
]}

Tapperson, KG ^{[1
]}

Rochelle, GT ^{[1
]}

机构：

[1] UNIV TEXAS,DEPT CHEM ENGN,AUSTIN,TX 78712

来源：

GAS SEPARATION & PURIFICATION | 1996年 / 10卷 / 03期

关键词：

alkanolamines; equilibrium modeling; acid gas treating;

D O I：

10.1016/0950-4214(96)00019-9

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A simple model has been created for predicting acid gas vapor-liquid equilibrium (VLE) in alkanolamines. The model is simple enough to use in a hand held calculator, but its structure is derived from theory. Model parameters were obtained by regression of experimental VLE data. The model is valid for total gas loadings from 0.003 to 0.8 and over a wide range of temperatures and amine concentrations. Partial pressure predictions are shown to agree with a more complex model over seven orders of magnitude in pressure. Heat of absorption values derived from the model are also shown to agree with literature sources. Parameters are given for the MDEA-H2O-H2S-CO2 and DEA-H2O-H2S systems. Copyright (C) 1996 Elsevier Science Ltd

引用

页码：181 / 186

页数：6

共 18 条

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