Kinetics of CO2 absorption in aqueous sodium glycinate solutions

被引：74
|
作者：
Lee, Seungmoon [1 ]
Song, Ho-Jun [1 ]
Maken, Sanjeev [1 ]
Park, Jin-Won [1 ]
机构：
[1] Yonsei Univ, Dept Chem Engn, Seoul 120749, South Korea
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2007年 / 46卷 / 05期
关键词：
D O I：
10.1021/ie061270e
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The physical solubility and diffusivity of N2O and CO2 in aqueous sodium glycinate (SG) solutions of various concentrations (1.0-3.5 kmol/m(3)) and temperatures (303.15-323.15 K) were reported. The kinetics of the reaction between CO2 and SG has been studied using absorption data measured by a wetted-wall column apparatus at various temperatures and concentrations. The second-order rate constant of CO2 with SG was determined to be k(2)(m(3) kmol(-1) s(-1)) = 1.95 x 10(13) exp(-7670/T), where T is the absolute temperature (given in Kelvin). The activation energy for the reaction of CO2 with SG was calculated to be 63.8 kJ/mol.
引用
收藏
页码：1578 / 1583
页数：6
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