ABSORPTION OF CARBON-DIOXIDE INTO AQUEOUS BLENDS OF MONOETHANOLAMINE AND N-METHYLDIETHANOLAMINE

被引:201
作者
HAGEWIESCHE, DP [1 ]
ASHOUR, SS [1 ]
ALGHAWAS, HA [1 ]
SANDALL, OC [1 ]
机构
[1] UNIV CALIF SANTA BARBARA,DEPT CHEM & NUCL ENGN,SANTA BARBARA,CA 93106
关键词
D O I
10.1016/0009-2509(94)00489-E
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
An experimental and theoretical investigation of the absorption of carbon dioxide into aqueous blends of monoethanolamine and N-methyldiethanolamine has been conducted. A mathematical model which is capable of predicting gas absorption rates and enhancement factors from chemical reaction kinetics, system hydrodynamics, and physical properties was developed. The CO2 absorption was modeled as a system of parallel reversible reactions according to Higbie's penetration theory. The model was also used to estimate the rate coefficient of the reaction between CO2 and monoethanolamine at 313 K from experimentally measured absorption rates.
引用
收藏
页码:1071 / 1079
页数:9
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