CO2 CH4 SEPARATION BY FACILITATED TRANSPORT IN AMINE-POLYETHYLENE GLYCOL MIXTURES

被引：36

作者：

DAVIS, RA ^{[1
]}

SANDALL, OC ^{[1
]}

机构：

[1] UNIV CALIF SANTA BARBARA, DEPT CHEM & NUCL ENGN, SANTA BARBARA, CA 93106 USA

来源：

AICHE JOURNAL | 1993年 / 39卷 / 07期

关键词：

D O I：

10.1002/aic.690390706

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this work, the separation of carbon dioxide from methane by reactive liquid membranes consisting of the secondary amines, diethanolamine, and diisopropanolamine in polyethylene glycol with an average molecular weight of 400 was studied. A mathematical model was developed to describe the transport process. This model employs the zwitterion mechanism for the CO2 amine reaction kinetics. Membrane flux experiments utilizing a flat plate device were carried out to verify the model predictions. It was found that large permeabilities and separations were achieved for low CO2 feed concentrations. The results also show that DEA based solutions give better separation than DIPA based solutions.

引用

页码：1135 / 1145

页数：11